Tianjin University

English Chinese


Below is a list of more recent publications by memebrs of the center.


The dual-band emission with long-lived thermally activated delayed ffuorescence and room temperature phosphorescence by trace ingredient incorporation
  • Lijuan Shi, Jiaqi Liu, Lei Ma, Yongtao Wang
  • Chemical Engineering Journal(2024) DOI:10.1016/j.cej.2024.152492  [PDF]

      AIE activity, mechanochromism, acidchromism, and high-level anti-counterfeiting based on multifunctional tetraphenylvinyl imidazolopyridine
    • Yuchen Hong, Yupeng Zhao, Yanjun Guo, Yongtao Wang, Lei Ma
    • Journal of Luminescence(2024) DOI:10.1016/j.jlumin.2024.120678  [PDF]

        Ultra-long room temperature phosphorescence, intrinsic mechanisms and application based on host-guest doping systems
      • Jianmei Guo, Yupeng Zhao, Lei Ma, Yongtao Wang
      • Chinese Journal of Structural Chemistry(2024) DOI:10.1016/j.cjsc.2024.100335  [PDF]

          Time-dependent and clustering-induced phosphorescence, mechanochromism, structural-function relationships, and advanced information encryption based on isomeric effects and host–guest doping
        • Jianmei Guo, Jiaqi Liu, Yupeng Zhao, Yongtao Wang, Lei Ma, Jianfeng Jiang
        • Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy(2024) DOI: 10.1016/j.saa.2024.124449  [PDF]

            All-dielectric Metasurfaces and Their Applications in the Terahertz Range
          • Danni Hao, Jinwei Liu, Pinggen Zou, Yi Zhang, Ramiro Moro, and Lei Ma
          • Laser Photonics Rev(2024) DOI: 10.1002/lpor.202301210  [PDF]

              Dicyanopyridine derivatives: One-pot preparation, ACQ-to-AIE transformation, light-conversion quality and photostability
            • Yanjin He, Jiaqi Liu, Chenwei Hu, Yongtao Wang, Lei Ma, Yanjun Guo
            • Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy(2024) DOI:10.1016/j.saa.2024.124227  [PDF]

                A simple approach for effectively improving the resolution of scanning electrochemical cell microscopy
              • Gen Liu,Hao Li,Yuchen Xu,Kaimin Zhang,Luzhen Hao,Xue Yu,Yanqing Ma,Lei Ma
              • Sensors and Actuators: B. Chemical(2024) DOI:10.1016/j.snb.2024.135603 [PDF]

                  Simple high-resolution Bradbury–Nielsen mass gate
                • Zezhao Jia,Zhaojun Liu,Xiaohan Wang,Runyu Wang,Tianjie Ma,Ziwen Zhou,Ramiro Moro,Bernd von Issendorff,Lei Ma
                • AIP Advances(2024)  [PDF]

                    Vanishing Hall Effect in the Epigraphene Zero Energy Edge State
                  • Noel Dudeck,Vladimir Prudkovskiy,Grant H Nunn,Abhishek Juyal,William B Griffin,Lei Ma,Claire Berger,Walt de Heer
                  • Bulletin of the American Physical Society(2024)  [PDF]

                      Ultra-high Mobility Semiconducting Graphene on Silicon Carbide
                    • William B Griffin,Walt de Heer,Claire Berger,Lei Ma,Noel Dudeck
                    • Bulletin of the American Physical Society(2024)  [PDF]

                        Construction and fine tuning of host-guest doping systems and the underlying mechanism of room temperature phosphorescence
                      • Jianfeng Jiang,Jiaqi Liu,Chenwei Hu,Yongtao Wang,Lei Ma
                      • Dyes and Pigments(2024) DOI:10.1016/j.dyepig.2023.111931 [PDF]

                          Ultrahigh-mobility semiconducting epitaxial graphene on silicon carbide
                        • Jian Zhao,Peixuan Ji,Yaqi Li,Rui Li,Kaimin Zhang,Hao Tian,Kaicheng Yu,Boyue Bian,Luzhen Hao,Xue Xiao,Will Griffin,Noel Dudeck,Ramiro Moro,Lei Ma & Walt A. de Heer
                        • Nature(2024) DOI:10.1038/s41586-023-06811-0  [PDF]

                            Mechanochromism, tunable pure organic room temperature phosphorescence, single-molecule near-white emission, digital encryption,and anti-counterfeiting
                          • Jianmei Guo,Chenwei Hu,Jiaqi Liu,Yongtao Wang,Lei Ma
                          • Dyes and Pigments(2024) DOI:10.1016/j.dyepig.2023.111760  [PDF]


                                Mechanochromism, tunable pure organic room temperature phosphorescence, single-molecule near-white emission, digital encryption, and anti-counterfeiting
                                Jianmei Guo, Chenwei Hu, Jiaqi Liu, Yongtao Wang, Lei Ma
                                Dyes and Pigments(2023) DOI:10.1016/j.dyepig.2023.111760 [PDF] 

                                Electron-Beam Direct Writing-Based High-Performance Graphene Electrode Fabrication
                                Kaicheng Yu, Hao Tian, Rui Li, Luzhen Hao, Kaimin Zhang, Xiaodong Zhu, Yanqing Ma, and Lei Ma 
                                ACS Applied electronic materials(2023) DOI:10.1021/acsaelm.3c00917 [PDF]

                                A systematic study on synthesis parameters and thermoelectric properties of tellurium nanowire bundles
                                Yanmei Ren, Rongke Sun, Xue Yu, Ruoxi Wang, Wusheng Zhang, Xiaodong Zhu, Yanqing Ma and Lei Ma
                                Materials Advances(2023) DOI:10.1039/x0xx00000x [PDF]

                                Magnetic nanodoping: Atomic control of spin states in cobalt doped silver clusters
                                Vicente Zamudio-Bayer,Konstantin Hirsch, Lei Ma, Kobe De Knijf, Xiaoshan Xu, Arkadiusz ?awicki, Akira Terasaki, Piero Ferrari, Bernd von Issendorff, Peter Lievens, Walt A. de Heer, J. Tobias Lau, and Ewald Janssens
                                PHYSICAL REVIEW RESEARCH(2023) DOI: 10.1103/PhysRevResearch.5.033103 [PDF]

                                One-step synthesis of Co3O4 Nanoparticles/Laser Induced Graphene composites in ambient condition for electrocatalytic OER reaction
                                Jiangli Li, Xue Yu, Rongke Sun, Hao Li, Xiaodong Zhu, Yanqing Ma, and Lei Ma
                                Carbon Trends (2023) DOI: 10.1016/j.cartre.2023.100285 [PDF] 

                                  Thermal reduced graphene oxide-based gas sensor for rapid detection of ammonia at room temperature
                                  Xue Xiao, Wei Jin, Cao Tang, Xin Qi, Rui Li, Yi Zhang, Wusheng Zhang, Xue Yu, Xiaodong Zhu, Yanqing Ma, and Lei Ma
                                  Journal of Materials science (2023) DOI: 10.1007/s10853-023-08696-w  [PDF] 

                                  Wafer-Scale Graphene Growth on Si/SiO2 Substrates via Metal-Free Chemical Vapor Deposition
                                  Mengying Li, Pinggen Zou, Zhi Chen, Ruotong Zhao, Cao Tang, Shuai Wang, Yanqing Ma, and Lei Ma
                                  ACS APPLIED NANO MATEIALS(2023) DOI:10.1021/acsanm.3c01956  [PDF]
                                  Design of a Simple and low-cost Solid-state ultra-fast high-voltage switch
                                  Ziwen Zhou, Yifan Li, Zhaojun Liu, Runyu Wang, Tianjie Ma, Zezhao Jia, Guangjia Yin, Ramiro Moro, and Lei Ma
                                  Review of Scientific Instruments(2023)  DOI:10.1063/5.0142031 [PDF]

                                  Dual-frequency switchable bandpass filter in the terahertz range based on enhanced trapped-mode resonances
                                  Yi Zhang, Dongxun Yang, Dan Zhao, Danni Hao, Pinggen Zou, Yanmei Ren, Rui Li, Xiaodong Zhu, Fei Fan, Shengjiang Chang, Ramiro Moro, Lei Ma
                                  Chemical Physics Letters(2023) DOI:10.1016/j.cplett.2023.140637 [PDF] 
                                  Fine adjustment of emission wavelength, light-conversion quality, photostability of blue-violet light conversion agents based on FRET effect
                                  Yanjin He, Yongtao Wang, Yanjun Guo, Lei Ma
                                  Dyes and Pigments(2023) DOI:10.1016/j.dyepig.2023.111429 [PDF] 

                                  Application of Scanning Tunneling Microscopy and Spectroscopy in the Studies of Colloidal Quantum Qots
                                  Jiaying Duan, Jiapeng Wang, Liangpeng Hou, Peixuan Ji, Wusheng Zhang, Jin Liu, Xiaodong Zhu, Zhixiang Sun, Yanqing Ma, and Lei Ma
                                  The Chemical record(2023) DOI: 10.1002/tcr.202300120 [PDF] 

                                  Ultralong organic room-temperature phosphorescence, multiple stimulus responsiveness and high-level anti-counterfeiting based on
                                  multifunctional carbazolyl imidazolopyridine
                                  J. Jiang, C. Hu, Y. Wang,  L. Ma, J. Guo
                                  Materials Today Chemistry(2023)  DOI:10.1016/j.mtchem.2023.101548 [PDF]

                                  Application of long fibrous coconut silk-based porous carbon in flexible supercapacitor
                                  Rongke Sun, Xiao Zhang, Zejian Chen, Yanqing Ma, Lei Ma
                                  Journal of Energy Storage(2023) DOI:10.1016/j.est.2023.107410 [PDF]

                                  AIE activity, mechanochromic property and solvent inclusion of two
                                  bdiketones with tetraphenylethylene unit
                                  Jianfeng Jiang, Yongtao Wang, Lei Ma, Xueming Li, Xiaojuan Wang, Yanjun Guo
                                    Tetrahedron(2023)  DOI:10.1016/j.tet.2023.133355  [PDF] 

                                • Structural evolution, electronic and magnetic properties investigation of V3Sin- (n=14–18) clusters based on photoelectron spectroscopy and density functional theory calculations
                                  Kai Wang, Guang-Jia Yin, Ze-Zhao Jia, Lin Miao, Hong-Yuan Zhao, Ramiro Moro, Bernd von Issendorff, Lei Ma
                                • Chemical Physics Letters(2023)  DOI:10.1016/j.cplett.2023.140423 [PDF]  

                                • Moisture Condensation on Epitaxial Graphene upon Cooling
                                  Muhammad Farooq Saleem, Niaz Ali Khan, Muhammad Javid, Ghulam Abbas Ashraf, Yasir A. Haleem, Muhammad Faisal Iqbal, Muhammad Bilal, Peijie Wang, Ma Lei
                                  Technologies 2023, 11, 30. DOI:10.3390/technologies11010030 [PDF]

                                • Graphene Enhanced Photo-Electrochemical Water Splitting by Diminishing Pt/p-Si Photocathode Interfacial Barrier
                                  Xiaodong Zhu, Xue Yu, Jiangli Li, Hao Li, Shuai Wang, Yuchen Xu, Yanqing Ma, and Lei Ma 
                                • ChemPhotoChem (2023)  DOI:10.1002/cptc.202200272 [PDF]


                                  Integrated optoelectronics with two-dimensional materials
                                • Zhenzhou Cheng, Rongxiang Guo, Jiaqi Wang, Yi Wang, Zhengkun Xing, Lei Ma,Wei Wei, Yu Yu, Hon Ki Tsang and Tiegen Liu
                                • National Science Open(2022) DOI:10.1360/nso/20220022  [PDF]

                                  • Role of temperature and Ar flow on the uniformity of epitaxial graphene grown on SiC
                                    Zhenzhen Zhang, Dongxun Yang, Gang Dong, Rui Li, Yi Zhang, Ramiro Moro, Yanqing Ma and Lei Ma
                                    Bulletin of Materials Science (2022)  DOI:10.1007/s12034-023-02903-9 [PDF]

                                  • Perylene imide derivatives: Structural modification of imide position, aggregation caused quenching mechanism, light-conversion quality and photostability
                                    Yuru Hu, Kai Wang, Yongtao Wang, Lei Ma
                                    Dyes and Pigments (2022) DOI:10.1016/j.dyepig.2022.110948 [PDF]

                                  • Breaking the bottleneck of organic light conversion agents: Preparation, performance evaluation and intrinsic mechanism
                                    Yanjin He, Yongtao Wang, Xueming Li, Yanjun Guo, Lei Ma
                                    Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2022) DOI:10.1016/j.saa.2022.122161 [PDF]

                                  • Study of Solid Carbon Source based Graphene growth directly on SiO2 substrate with Cu or Cu/Ni as the Sacrificial Catalysts
                                    Shuai Wang, Mengying Li, Zhi Chen, Lirong Zhao, Mei Zhao, Yanqing Ma, Lei Ma
                                    MRS Communications (2022) DOI:10.1557/s43579-022-00308-z [PDF]

                                  • Silicon Bowtie Structure Based Adjustable Non-rigid All Nonmetal Metamaterials Terahertz Filter
                                    Danni Hao, Yi Zhang, Dongxun Yang, Rui Li, Dan Zhao, Zhenzhen Zhang, Shuai Wang, Wei Jin, Hao Tian, Jiaying Duan, Fei Fan, Shengjiang Chang, Ramiro Moro, Lei Ma
                                    Optics Letters (2022) DOI: 10.1364/OL.471704 [PDF]

                                  • La-doped BiFeO3 junction based random access multilevel nonvolatile memory
                                    Dong Li, Xiaodong Zhu, Yanan Wu, Jian Zhao, Kaimin Zhang, Rui Li, Danni Hao, Yanqing Ma, Ramiro Moro, Lei Ma
                                    Microelectronic Engineering(2022)DOI:10.1016/j.mee.2022.111908 [PDF]

                                  • An epitaxial graphene platform for zero-energy edge state nanoelectronics
                                    Vladimir S. Prudkovskiy, Yiran Hu, Kaimin Zhang, Yue Hu, Peixuan Ji, Grant Nunn, Jian Zhao, Chengqian Shi, Antonio Tejeda, David Wander, Alessandro De Cecco, Clemens B. Winkelmann, Yuxuan Jiang, Tianhao Zhao, Katsunori Wakabayashi, Zhigang Jiang, Lei Ma, Claire Berger, and Walt A. de Heer
                                    Nature Communications (2022) 13:7814 [PDF]

                                  • Reconciliation of the theoretical and experimental value of the static electric polarizability of the aluminum atom
                                    Kai Wang, Shao-Zheng Fang, Zheng Fan, Hong-Yuan Zhao, Lin Miao, Guang-Jia Yin, Ramiro Moro, Lei Ma
                                    the Journal of Cluster Science (2022) DOI:10.1007/s10876-022-02377-5 [PDF]

                                  • Fourth gengeration cryogenic neutral cluster beam apparatus for studying fundamental properties of metallic clusters
                                    Lin Miao, Zhaojun Liu, Zeyang Chen, Xiaohan Wang, Ziwen Zhou, Jinbo Zhao, Shaozheng Fang, Guangjia Yin, Zezhao Jia, Jin Liu, Ramiro Moro, Walt A. deHeer, Lei Ma
                                    Review of Scientific Instruments (2022) DOI:10.1063/5.0087524 [PDF]

                                  • Structural evolution and electronic properties of pure and semiconductor atom doped In clusters: Inn-, InnSi-, and InnGe- (n = 3-16)
                                    Kai Wang, Lin Miao, Zezhao Jia, Runyu Wang, Guangjia Yin, Xiaodong Zhu, Ramiro Moro and Lei Ma
                                    Journal of Computational Chemistry (2022) DOI: 10.1002/jcc.26998 [PDF]

                                  • TMGe8-17-(TM = Ti, Zr, Hf, V, Nb, Ta) clusters: group determined properties
                                    Kai Wang, Zezhao Jia,Runyu Wang, Xiaodong Zhu, Ramiro Moro and Lei Ma
                                    European Physical Journal Plus (2022) DOI:10.1140/epjp/s13360-022-03141-4 [PDF]

                                  • Anion photoelectron spectroscopy and density functional theory study of TM2Sin- (TM=V, Cr; n=14-20) clusters
                                    Kai Wang, Guangjia Yin, Zezhao Jia, Lin Miao, Ramiro Moro, Bernd v. Issendorff and Lei Ma
                                    Physical Chemistry Chemical Physics (2022) DOI: 10.1039/d2cp01649d [PDF]

                                  • Low contact resistance side-interconnects strategy for epi-graphene based electronic integration
                                    Kaimin Zhang, Peixuan Ji, Jian Zhao, Dongxun Yang, Mei Zhao, Zhenzhen Zhang, Gen Liu, and Lei Ma
                                    J Mater Sci: Mater Electron (2022) DOI:10.1007/s10854-022-08601-2 [PDF]

                                  • Hydrogen etching of 4H-SiC(0001) facet and step formation
                                    Rui Li, Kaimin Zhang, Yi Zhang, Zhenzhen Zhang, Peixuan Ji, Chengqian Shi, Danni Hao, Yipeng Zhang, Ramiro Moro, Yanqing Ma and Lei Ma
                                    Materials Science in Semiconductor Processing 149 (2022) 106896 DOI:10.1016/j.mssp.2022.106896 [PDF]

                                  • The application of biomass-based carbon materials in flexible all-solid supercapacitors
                                    Xiao Zhang, Mei Zhao, Zejian Chen, Tong Yan, Jiangli Li, Yanqing Ma and Lei Ma
                                    J Mater Sci: Mater Electron (2022) DOI:10.1007/s10854-022-08449-6 [PDF]

                                  • Chiral biosensing using terahertz twisted chiral metamaterial
                                    Min Zhang, Danni Hao, Shuai Wang, Rui Li, Shou Wang, Yanqing Ma, Ramiro Moro, Lei Ma
                                    Opt.Express 30(9), 14651-14660(2022) DOI:10.1364/OE.448735 [PDF]

                                  • Topography Mapping with Scanning Electrochemical Cell Microscopy
                                    Gen Liu, Luzhen Hao, Hao Li, Kaimin Zhang, Xue Yu, Dong Li, Xiaodong Zhu, Danni Hao, Yanqing Ma, Lei Ma
                                    Anal. Chem. 2022, 94, 5248?5254 DOI:10.1021/acs.analchem.1c04692 [PDF]

                                  • Structures and Electronic Properties of VSin? (n=14-20) Clusters: a Combined Experimental and Density Functional Theory Study
                                    Kai Wang, Zezhao Jia, Zheng Fan, Hongyuan Zhao, Lin Miao, Guangjia Yin, Ramiro Moro, Bernd v. Issendorff and Lei Ma
                                    Phys. Chem. Chem. Phys., 2022, DOI: 10.1039/D2CP00619G [PDF]

                                  • Optically transparent ultrathin NiCo alloy oxide film: Precise oxygen vacancy modulation and control for enhanced electrocatalysis of water oxidation
                                    Xue Yu, Chengwei Hu, Peixuan Ji, Yanmei Ren, Hongyuan Zhao, Gen Liu, Rui Xu, Xiaodong Zhu, Zhiqing Li, Yanqing Ma, Lei Ma
                                    Applied Catalysis B: Environmental 310 (2022) 121301 DOI:10.1016/j.apcatb.2022.121301 [PDF]

                                  • A general strategy for polishing SiC wafers to atomic smoothness with arbitrary facets
                                    Peixuan Ji, Kaimin Zhang, Zhenzhen Zhang, Mei Zhao, Rui Li, Danni Hao, Ramiro Moro, Yanqing Ma, Lei Ma
                                    Materials Science in Semiconductor Processing, Volume 144, 2022, 106628, ISSN 1369-8001 DOI:10.1016/j.mssp.2022.106628 [PDF]

                                  • Photoelectron Spectroscopy and Density Functional Investigation of the Structural Evolution, Electronic, and Magnetic Properties of CrSin? (n=14-18) Clusters
                                    Kai Wang, Hong-Yuan Zhao, Lin Miao, Ze-Zhao Jia, Guang-Jia Yin, Xiao-Dong Zhu, Ramiro Moro, Bernd von Issendorff, and Lei Ma
                                    The journal of physical chemistry. A DOI: 10.1021/acs.jpca.1c09557 [PDF]

                                  • Real-time size tuning and measuring of silver nanoparticles by cyclic voltammetry and Raman spectroscopy
                                    Shuo Wang, Xin Yan, Min Zhang, Gang Dong, Ramiro Moro, Yanqing Ma, Lei Ma
                                    Materials Letters, 2022,310:131420 DOI:10.1016/j.matlet.2021.131420 [PDF]

                                  • Review-Recent Advances in Graphene-Based Field-Effect-Transistor Biosensors:A Review on Biosensor Designing Strategy
                                    Shuo Wang, Xin Qi, Danni Hao, Ramiro Moro, Yanqing Ma, Lei Ma
                                    Journal of The Electrochemical Society, 2022,169: 027509 DOI:10.1149/1945-7111/ac4f24 [PDF]

                                  • 不同响应机制下的石墨烯基光电探测器研究进展
                                    发光学报(2022)DOI:10.37188/CJL.20210359 [PDF]


                                  • Highly Ordered Micropores Activated Carbon from Long Fiber Biomass for High Energy Density Supercapacitors
                                    Xiao Zhang, Zhe Li, Xun Tian, Yanqing Ma, Lei Ma
                                    ChemistrySelect 2021, 6(45), 13015-13023 DOI:10.1002/slct.202103712 [PDF]

                                  • Multiple regulation effects of ammonium acetate on ZnO growth process in chemical bath deposition
                                    Gen Liu, Xue Yu, Rui Xu, Xiaodong Zhu, Yanqing Ma, and Lei Ma
                                    Chem. Eur. J. 2021, 27, 1-9 DOI:10.1002/chem.202103064 [PDF]

                                  • Direct Observation of Intermediates from the Ring-Opening of Cetylpyridinium Chloride by Surface-Enhanced Raman Spectroscopy
                                    Gen Liu, Danni Hao, Kai Wang, Gang Dong, Xue Yu, Rui Xu, Mei Ji, Xiaodong Zhu, Yanqing Ma, and Lei Ma
                                    J. Phys. Chem. C 2021, 125, 34, 18792-18798 DOI:10.1021/acs.jpcc.1c03760 [PDF]

                                  • Tubular Carbon Nitride with Hierarchical Network:Localized Charge Carrier Generation and Reduced Charge Recombination for High-Performance Photocatalysis of H2 and H2O2 Production
                                    Xue Yu, Chengwei Hu, Danni Hao, Gen Liu, Rui Xu, Xiaodong Zhu, Xi Yu, Yanqing Ma, and Lei Ma
                                    Sol. RRL,2021, 2000827 DOI:10.1002/solr.202000827 [PDF]

                                  • Preparation of Ni-Fe alloy foam for oxygen evolution reaction
                                    YANG Xiao-meng, LI Zuo-peng, QIN Jun, WU Mei-xia, LIU Jia-li, GUO Yong, MA Yan-qing, FENG Feng
                                    J Fuel Chem Technol, 2021, 49(6), 827-834 DOI:10.1016/S1872-5813(21)60084-1 [PDF]

                                  • Photoelectron Spectroscopy of Large Water Cluster Anions
                                    Majer, Kiran; Ma, Lei and von Issendorff, Bernd
                                    The journal of physical chemistry. A DOI:10.1021/acs.jpca.1c06761 [PDF]

                                  • Static dipole polarizabilities of atoms and ions from Z=1 to 20 calculated within a single theoretical scheme
                                    Kai Wang, Xiaohan Wang, Zheng Fan, Hong-Yuan Zhao, Lin Miao, Guang-Jia Yin, Ramiro Moro, and Lei Ma
                                    Eur. Phys. J. D 75, 46 (2021) DOI:10.1140/epjd/s10053-021-00054-2 [PDF]

                                  • A simple Field Programmable Gate Array (FPGA) based high precision low-jitter delay generator
                                    Zeyang Chen, Xiaohan Wang, Ziwen Zhou, Ramiro Moro, and Lei Ma
                                    Rev. Sci. Instrum. 92, 024701(2021) DOI:10.1063/5.0030341 [PDF]


                                  • Surface-enhanced resonance Raman scattering in partially oxidized thin copper film
                                    Muhammad Farooq Saleem, Yasir Abdul Haleem, Wenhong Sun, Lei Ma, Deliang Wang
                                    J Raman Spectrosc. 2020;1–9. DOI: 10.1002/jrs.5905 [PDF]

                                  • High sensitive biosensors based on the coupling between surface plasmon polaritons on titanium nitride and a planar waveguide mode
                                    Junior Asencios, Ramiro Moro, Clemente Luyo, Arturo Talledo
                                    Sensors, 2020, 20: 1784 DOI:10.3390/s20061784 [PDF]

                                  • Highly Ordered Boron Nitride/Epigraphene Epitaxial Films on Silicon Carbide by Lateral Epitaxial Deposition
                                    J. Gigliotti, X. Li, S. Sundaram, D. Deniz, V. Prudkovskiy, J. Turmaud, Y. Hu, Y. Hu, F. Fossard, J. Merot, A. Loiseau, G. Patriarche, B. Yoon, U. Landman, A. Ougazzaden, C. Berger, Walt A. de Heer
                                    ACS Nano, 2020, 14(10): 12962-12971 DOI:10.1021/acsnano.0c04164 [PDF]

                                  • Flat and safe under the graphene sheet
                                    C. Berger and Walt A. de Heer
                                    Nature Materials, 2020, 19(6): 583 DOI:10.1038/s41563-020-0666-z [PDF]

                                  • Non-Invasive Nanoscale Potentiometry and Ballistic Transport in Epigraphene Nanoribbons
                                    Alessandro De Cecco, Vladimir S. Prudkovskiy, David Wander, Rini Ganguly, Claire Berger, Walt A. de Heer, Herve? Courtois, and Clemens B. Winkelmann
                                    Nano Lett. 2020, 20, 3786?3790 DOI:10.1021/acs.nanolett.0c00838 [PDF]

                                  • 1/f Noise in epitaxial sidewall graphene nanoribbons
                                    O. Vail, J. Hankinson, C. Berger, W. A. de Heer and Z. Jiang
                                    Appl. Phys. Lett. 117, 083105 (2020) DOI:10.1063/5.0020926 [PDF]

                                  • Ferromagnetic tip induced unconventional superconductivity in Weyl semimetal
                                    He Wang, Yingping He, Yiyuan Liu, Zhujun Yuan, Shuang Jia, Lei Ma, Xiong-Jun Liu, Jian Wang
                                    Science Bulletin,2020,65(1): 21-26 DOI:10.1016/j.scib.2019.11.010 [PDF]

                                  • Atomic force microscopy phase imaging of epitaxial graphene films
                                    Francesco Lavini, Filippo Cellini, Martin Rejhon, Jan Kunc, Claire Berger, Walt de Heer and Elisa Riedo
                                    J. Phys.: Mater. 3 (2020) 024005 DOI:10.1088/2515-7639/ab7a02 [PDF]

                                  • Recent progress of biomass-derived carbon materials for supercapacitors
                                    Jiashuai Wang, Xiao Zhang, Zhe Li, Yanqing Ma and Lei Ma
                                    Journal of Power Sources 451 (2020): 227794 DOI:10.1016/j.jpowsour.2020.227794 [PDF]

                                  • Fabricating ultra sharp tungsten STM tips with high yield double electrolyte etching method and machine learning
                                    Bowen Li, Yipeng Zhang, Jiashuai Wang, Zezhao Jia, Chengqian Shi, Yanqing Ma & Lei Ma
                                    SN Applied Sciences, 2020, 2: 1246 DOI:10.1007/s42452-020-3017-4 [PDF]

                                  • The abnormal solvatochromism, high-contrast mechanochromism and internal mechanism of two AIEE-active β-diketones
                                    Wenjing Liu, Yongtao Wang, Jinfeng Yang, Xueming Li, Xiaojun Wang, Lei Ma
                                    Dyes and Pigments, 2020, 175: 108149 DOI:10.1016/j.dyepig.2019.108149 [PDF]

                                  • Structures, stabilities and electronic properties of TimSin- (m=1-2, n=14-20) clusters: a combined ab initio and experimental study
                                    Xue Wu, Qiuying Du, Si Zhou, Xiaoming Huang, Maodu Chen, Lin Miao, Guangjia Yin, Jiashuai Wang, Kai Wang, Bernd von. Issendorff, Lei Ma, Jijun Zhao
                                    Eur. Phys. J. Plus, 2020, 135: 734 DOI:10.1140/epjp/s13360-020-00745-6 [PDF]


                                  • Spectral and Angular Responses of High Sensitivity Refractive Index Sensors Based on Titanium Nitride
                                    Asencios J., Talledo A., Atoccsa B., Puga R., Loro H., Moro, R.
                                    2019 PhotonIcs & Electromagnetics Research Symposium-Spring (PIERS-Spring). IEEE, 2019: 4285-4291 DOI:10.1109/PIERS-Spring46901.2019.9017749 [PDF]

                                  • Valley and Zeeman Splittings in Multilayer Epitaxial Graphene Revealed by Circular Polarization Resolved Magneto-infrared Spectroscopy
                                    Yuxuan Jiang, Zhengguang Lu, Jamey Gigliotti, Avinash Rustagi, Li Chen, Claire Berger, Walt de Heer, Christopher J. Stanton, Dmitry Smirnov, Zhigang Jiang
                                    Nano letters, 2019, 19(10): 7043-7049 DOI:10.1021/acs.nanolett.9b02505 [PDF]

                                  • Facile fabrication of biosensors based on Cu nanoparticles modified as-grown CVD graphene for non-enzymatic glucose sensing
                                    Shuo Wang, Lirong Zhao, Rui Xu, Yanqing Ma, Lei Ma
                                    Journal of Electroanalytical Chemistry 853 (2019) 113527 DOI:10.1016/j.jelechem.2019.113527 [PDF]

                                  • Layer dependence of graphene-diamene phase transition in epitaxial and exfoliated few-layer graphene using machine learning
                                    Filippo Cellini, Francesco Lavini, Claire Berger, Walt de Heer and Elisa Riedo
                                    2D Mater.6(2019)035043 DOI:10.1088/2053-1583/ab1b9f [PDF]

                                  • Extremely vertical sidewall trench etching on silicon substrate and modelling etching using artificial neural network
                                    Dongxun Yang, Jiashuai Wang, Rui Li, Yanqing Ma and Lei Ma
                                    Materials Research Express, 2019, 6(12): 125902 DOI:10.1088/2053-1591/ab55b4 [PDF]

                                  • Metal-free synthesis of few-layer graphene films on insulating SiO2 and SiC substrates by chemical vapor deposition
                                    Lirong Zhao, Yanyan Wang, Xiaodong Zhu, Peixuan Ji, Kaimin Zhang, Xue Yu, Chengqian Shi, Rui Li, Yanqing Ma and Lei Ma
                                    Materials Research Express, 2019, 6(10): 105604 DOI:10.1088/2053-1591/ab36fb [PDF]

                                  • High-Performance UV-Assisted NO2 Sensor Based on Chemical Vapor Deposition Graphene at Room Temperature
                                    Xin Yan, Yanan Wu, Rui Li, Chengqian Shi, Ramiro Moro, Yanqing Ma, and Lei Ma
                                    ACS Omega 2019, 4, 14179?14187 DOI:10.1021/acsomega.9b00935 [PDF]

                                  • THz absorption in Graphene Quantum Dots
                                    Massabeau, S; Riccardi, E; Rosticher, M; Berger, C; de Heer, W; Tignon, J; Dhillon, S; Ferreira, R; Mangeney, J
                                    2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) DOI:10.1109/IRMMW-THz.2019.8874059 [PDF]

                                  • Exploration the inherent mechanism of polymorphism and mechanochromism based on isomerism and AIE theory
                                    Wenjing Liu, Yongtao Wang, Guixian Ge, Lei Ma
                                    Dyes and Pigments, 2019, 171: 107663 DOI:10.1016/j.dyepig.2019.107663 [PDF]

                                  • Design, synthesis, photophysical properties and intrinsic mechanism of two difluoroboron β-diketonate complexes with TPE and N-alkyl pyrrole units
                                    Wenjing Liu, Yongtao Wang, Guixian Ge, Lei Ma, Litong Ren, Yan Zhang
                                    Dyes and Pigments, 2019, 171: 107704 DOI:10.1016/j.dyepig.2019.107704 [PDF]

                                  • An Ultra-sensitive, Rapidly Responsive Strain Sensor Based on Silver Microflakes by Simple Process
                                    Shaocun Yan, Muhammad Farooq Saleem, Hongru Ma, Zhe Li, Xiao Zhang, Xuhong Guo, Yanqing Ma and Lei Ma
                                    ChemistrySelect, 2019, 4(14): 4407-4415 DOI:10.1002/slct.201900558 [PDF]

                                  • Modifying microstructure of algae-based active carbon and modelling supercapacitors using artificial neural network
                                    Jiashuai Wang, Zhe Li, Shaocun Yan, Xue Yu, Yanqing Ma and Lei Ma
                                    RSC Advances, 2019, 9(26): 14797-14808 DOI:10.1039/c9ra01255a [PDF]

                                  • One-Step Fabrication of Ultralow Pt Loading High Effciency Proton Exchange Membrane for Water Electrolysis by Conventional E-Beam Metal Deposition
                                    Yanyan Wang, Xue Yu, Gen Liu, Xiaodong Zhu, Rui Xu, Mei Ji, Yanqing Ma and Lei Ma
                                    Advanced Sustainable Systems, 2019, 3(5): 1900026 DOI:10.1002/adsu.201900026 [PDF]

                                  • Highly Conductive and Stretchable Ag Nanodendrite-Based Composites for Application in Nanoelectronics
                                    Hongru Ma, Guangjia Yin, Shaocun Yan, Zhe Li, Yanqing Ma and Lei Ma
                                    ACS Appl. Nano Mater. 2019, 2, 1, 351-359 [PDF]


                                  • Ultrahard carbon film from epitaxial two-layer graphene
                                    Yang Gao, Tengfei Cao, Filippo Cellini, Claire Berger, Walter A. de Heer, Erio Tosatti, Elisa Riedo and Angelo Bongiorno
                                    Nature nanotechnology, 2018, 13(2): 133 DOI:10.1038/s41565-017-0023-9 [PDF]

                                  • Tip-induced or enhanced superconductivity: a way to detect topological superconductivity
                                    He Wang, Lei Ma, Jian Wang
                                    Science Bulletin, 2018, 63:1141-1158 DOI:10.1016/j.scib.2018.07.019 [PDF]

                                  • Epitaxial two-layer graphene under pressure: Diamene stiffer than Diamond
                                    Filippo Cellini, Francesco Lavini, Tengfei Cao, Walt de Heer, Claire Berger, Angelo Bongiorno, Elisa Riedo
                                    FlatChem, 2018, 10: 8-13 DOI:10.1016/j.flatc.2018.08.001 [PDF]

                                  • Influence of Substrate on the Epitaxial Graphene on SiC
                                    Yiran Hu, Vladimir Prudkovskiy, Dogukan Deniz, Yue Hu, Jean-Philippe Turmaud, James Gigliotti, Lei Ma, Claire Berger, Walt de Heer
                                    Bulletin of the American Physical Society, 2018 [LINK]

                                  • Epitaxial Graphene Buffer Layer Electronic Devices
                                    Jean-Philippe Turmaud, Dogukan Deniz, James Gigliotti, Yiran Hu, Yue Hu, Vladimir Prudkovskiy, Claire Berger, Walt de Heer
                                    Bulletin of the American Physical Society, 2018 [LINK]

                                  • Ballistic transport in natural and lithographically patterned epigraphene sidewall ribbons
                                    Dogukan Deniz, Jean-Philippe Turmaud, Yiran Hu, Yue Hu, James Gigliotti, Vladimir Prudkovskiy, Lei Ma, Claire Berger, Walt de Heer
                                    Bulletin of the American Physical Society, 2018 [LINK]

                                  • Highly conductive, flexible PU/PANI based conductive adhesives for flexible electronics
                                    Shaocun Yan, Hongru Ma, Zhe Li, Yanqing Ma and Lei Ma
                                    2018 19th International Conference on Electronic Packaging Technology (ICEPT). IEEE, 2018: 1305-1308 [PDF]

                                  • Silver Flakes and Silver Dendrites for Hybrid Electrically Conductive Adhesives with Enhanced Conductivity
                                    Hongru Ma, Zhuo Li, Xun Tian, Shaocun Yan, Zhe Li, Xuhong Guo, Yanqing Ma and Lei Ma
                                    Journal of Electronic Materials, 2018, 47: 2929-2939 DOI:10.1007/s11664-018-6145-5 [PDF]

                                  • Exploration of highly efficient light conversion agents for agricultural film based on the bay-substituted perylene diimides derivatives
                                    Yongjiang Yu, Yongtao Wang, Wenjing Liu, Xin Jia, Lei Ma, Litong Ren, Mei Xue, Xiaohong Liu
                                    Dyes and Pigments, 2018, 159: 483-490 DOI:10.1016/j.dyepig.2018.07.015 [PDF]

                                  • The inherent mechanism of mechanochromism under different stress: electron cloud density distribution, J-type stacking, pore structure and collapse of J-type stacking
                                    Yunpeng Qi, Wenjing Liu,Yongtao Wang, Lei Ma, Yongjiang Yu, Yan Zhang and Litong Ren
                                    New Journal of Chemistry, 2018, 42: 11373-11380 DOI:10.1039/c7nj04543c [PDF]

                                  • Medium-sized Sin- (n=14-20) clusters: a combined study of photoelectron spectroscopy and DFT calculations
                                    Xue Wu, Xiaoqing Liang, Qiuying Du, Jijun Zhao, Maodu Chen, Miao Lin, Jiashuai Wang, Guangjia Yin, Lei Ma, R. Bruce King, Bernd von. Issendorff
                                    Journal of Physics: Condensed Matter, 2018, 30: 354002 DOI:10.1088/1361-648X/aad65a [PDF]


                                  • Epigraphene: epitaxial graphene on silicon carbide
                                    Claire Berger, Edward H Conrad, Walt A de Heer
                                    Landolt–B?rstein encyclopedia-Springer-Verlag GmbH Germany 2018 G. Chiarotti, P. Chiaradia (eds.), Physics of Solid Surfaces, Subvolume B, Chapter 166 (pp1-87) arXiv preprint arXiv:1704.00374,(2017) DOI:10.48550/arXiv.1704.00374 [PDF]

                                  • Synthesis of micro- and meso-porous carbon derived from cellulose as an electrode material for supercapacitors
                                    Xun Tian, Shan Zhu, Jun Peng, Yongtao Zuo, Yanqing Ma, Lei Ma
                                    Electrochimica Act (241), 170-178, (2017) DOI:10.1016/j.electacta.2017.04.038 [PDF]

                                  • Flute type micropores activated carbon from cotton stalk for high performance supercapacitors
                                    Xun Tian, Hongru Ma, Zhe Li, Shaocun Yan, Lei Ma, Feng Yu, Gang Wang, Xuhong Guo,Yanqing Ma, Chingping Wong
                                    Journal of Power Sources (359),88-96,(2017) DOI:10.1016/j.jpowsour.2017.05.054 [PDF]

                                  • Four-Wave Mixing in Landau-Quantized Graphene
                                    Jacob C K?nig-Otto, Yongrui Wang, Alexey Belyanin, Claire Berger, Walter A de Heer, Milan Orlita, Alexej Pashkin, Harald Schneider, Manfred Helm, Stephan Winnerl
                                    Nano Lett. 17 (4), pp 2184–2188, (2017) DOI:10.1021/acs.nanolett.6b04665 [PDF]

                                  • Evidence of Fermi level pinning at the Dirac point in epitaxial multilayer graphene
                                    S Massabeau, M Baillergeau, T Phuphachong, Claire Berger, Wa de Heer, S Dhillon, J Tignon, LA De Vaulchier, R Ferreira, J Mangeney
                                    Phys. Rev. B 95, 085311,(2017) DOI:10.1103/PhysRevB.95.085311 [PDF]

                                  • Previous (2014-2016)

                                  • Epitaxial graphene on SiC: 2D sheets, selective growth and nanoribbons
                                    Claire Berger, Dogukan Deniz, Jamey Gigliotti, James Palmer, John Hankinson, Yiran Hu, Jean-Philippe Turmaud, Renaud Puybaret, Abdallah Ougazzaden, Anton Sidorov, Zhigang Jiang, Walt A de Heer
                                    Invited review in ”Growing graphene on semiconductors”, Eds: N. Motta, C. Coletti, F. Iacopi, Pan Stanford Publishing, pp181-199 (2017). DOI:10.48550/arXiv.1611.08937 [PDF]

                                  • Green synthesis of AgNPs/reduced graphene oxide nanocomposites and effect on the electrical performance of electrically conductive adhesives
                                    Jinfeng Zeng, Xun Tian, Jingsi Song, Zhong Wei, Steven Harrington, Yagang Yao, Lei Ma, Yanqing Ma
                                    Journal of Materials Science: Materials in Electronics, 27, 3540-3548(2016) DOI:10.1007/s10854-015-4189-3 [PDF]

                                  • Hydrothermal Fabrication of Silver Nanowires-Silver Nanoparticles-Graphene Nanosheets Composites in Enhancing Electrical Conductive Performance of Electrically Conductive Adhesives
                                    Hongru Ma, Jinfeng Zeng, Steven Harrington, Lei Ma, Mingze Ma, Xuhong Guo and Yanqing Ma
                                    Nano materials, 6, 119 (2016) DOI:10.3390/nano6060119 [PDF]

                                  • Slow Noncollinear Coulomb Scattering in the Vicinity of the Dirac Point in Graphene
                                    JC K?nig-Otto, M Mittendorff, T Winzer, F Kadi, E Malic, A Knorr, C Berger, WA de Heer, A Pashkin, H Schneider, M Helm, S Winnerl
                                    Phys. Rev. Lett. 117, 087401,(2016) DOI:10.1103/PhysRevLett.117.087401 [PDF]

                                  • Microscopic origins of the terahertz carrier relaxation and cooling dynamics in graphene
                                    Momchil T Mihnev, Faris Kadi, Charles J Divin, Torben Winzer, Seunghyun Lee, Che-Hung Liu, Zhaohui Zhong, Claire Berger, Walt A De Heer, Ermin Malic, Andreas Knorr, Theodore B Norris
                                    Nature Communications 7, Article number: 11617 (2016) DOI:10.1038/ncomms11617 [PDF]

                                  • Graphene nanoribbons: fabrication, properties and devices
                                    Arlenciu Celis, MN Nair, Amina Taleb-Ibrahimi, EH Conrad, Claire Berger, WA de Heer, Antonio Tejeda
                                    Journal of Physics D: Applied Physics, Volume 49, Number 14,(2016) DOI:10.1088/0022-3727/49/14/143001 [PDF]

                                  • Nanoselective area growth of GaN by metalorganic vapor phase epitaxy on 4H-SiC using epitaxial graphene as a mask
                                    Renaud Puybaret, Gilles Patriarche, Matthew B Jordan, Suresh Sundaram, Youssef El Gmili, Jean-Paul Salvestrini, Paul L Voss, Walt A De Heer, Claire Berger, Abdallah Ougazzaden
                                    Appl. Phys. Lett. 108, 103105 (2016) DOI:10.1063/1.4943205 [PDF]

                                  • Modulated Nanoindentation (MoNI)-a novel characterization tool of two-dimensional materials and nanotubes
                                    Yang Gao, Suenne Kim, Si Zhou, Hsiang-Chih Chiu, Daniel Nelias, Claire Berger, Walt de Heer, Laura Polloni, Roman Sordan, Christian Klinke, Angelo Bongiorno, Elisa Riedo
                                    Bulletin of the American Physical Society, 2016 [PDF]

                                  • Remarkable substitution influence on the mechanochromism of cyanostilbene derivatives
                                    He Zhao, Yongtao Wang, Steven Harrington, Lei Ma, Shuzhi Hu, Xue Wu, Huan Tang, Mei Xue and Yubin Wang
                                    RSC Advances, 2016, 6(71): 66477-66483 DOI:10.1039/C6RA14707K [PDF]

                                  • Magnetism and exchange interaction of small rare-earth clusters; Tb as a representative
                                    Lars Peters, Saurabh Ghosh, Biplab Sanyal, Chris van Dijk, John Bowlan, Walt de Heer, Anna Delin, Igor Di Marco, Olle Eriksson, Mikhail I Katsnelson, B?rje Johansson, Andrei Kirilyuk
                                    Scientific Reports, 6, (2016) DOI:10.1038/srep19676 [PDF]

                                • Electronic cooling via interlayer Coulomb coupling in multilayer epitaxial graphene
                                  Momchil T Mihnev, John R Tolsma, Charles J Divin, Dong Sun, Reza Asgari, Marco Polini, Claire Berger, Walt A De Heer, Allan H MacDonald, Theodore B Norris
                                  Nature communications, 6, (2015) DOI:10.1038/ncomms9105 [PDF]

                                  • Elastic coupling between layers in two-dimensional materials
                                    Yang Gao, Suenne Kim, Si Zhou, Hsiang-Chih Chiu, Daniel Nélias, Claire Berger, Walt De Heer, Laura Polloni, Roman Sordan, Angelo Bongiorno, Elisa Riedo
                                    Nature Materials 14, 714–720,(2015) DOI:10.1038/nmat4322 [PDF]

                                  • Scalable control of graphene growth on 4H-SiC C-face using decomposing silicon nitride masks
                                    R. Puybaret, J. Hankinson, J. Palmer, C. Bouvier, A. Ougazzaden, P. L. Voss, C. Berger, W. A. de Heer
                                    Journal of Physics D: Applied Physics (2015) DOI:10.1088/0022-3727/48/15/152001 [PDF]

                                  • Infrared magneto-spectroscopy of two-dimensional and three-dimensional massless fermions: A comparison
                                    M Orlita, C Faugeras, A-L Barra, G Martinez, M Potemski, DM Basko, MS Zholudev, Frederic Teppe, Wojciech Knap, VI Gavrilenko, NN Mikhailov, SA Dvoretskii, P Neugebauer, C Berger, WA De Heer
                                    Journal of Applied Physics 112803,11,117, (2015) DOI:10.1063/1.4913828 [PDF]

                                  • Superconducting Proximity Effect in Sidewall Graphene Nanoribbons
                                    Owen Vail, John Hankinson, Clement Bouvier, Claire Berger, Walt De Heer, Zhigang Jiang
                                    Bulletin of the American Physical Society (2015) [PDF]

                                  • Atomic Structure of Epitaxial Graphene Sidewall Nanoribbons: Flat Graphene, Miniribbons, and the Confinement Gap
                                    I. Palacio, A. Celis, M. N. Nair, A. Gloter, A. Zobelli, M. Sicot, D. Malterre, M. S. Nevius, Walt A. de Heer, C. Berger, E. H. Conrad, A. Taleb-Ibrahimi, A.Tejeda
                                    Nano Letters 15, 182-189 (2015) DOI:10.1021/nl503352v [PDF]

                                  • Carrier dynamics in Landau-quantized graphene featuring strong Auger scattering
                                    Martin Mittendorff, Florian Wendler, Ermin Malic, Andreas Knorr, Milan Orlita, Marek Potemski, Claire Berger, Walter A. de Heer, Harald Schneider, Manfred Helm & Stephan Winnerl
                                    Nature Physics 11, 75–81 (2015) DOI:10.1038/NPHYS3164 [PDF]

                                  • Unusual Temperature Dependence of Magnetization and Possible Magnetic Noncollinearity in Tm and Pr Clusters
                                    Chris van Dijk, John Bowlan, Walt A de Heer, Theo Rasing, Andrei Kirilyuk
                                    The Journal of Physical Chemistry C,11153-11159, 119 (20), (2015) DOI:10.1021/jp511926y [PDF]

                                  • Novel magnetic and electric properties of small pure gold clusters
                                    Lei Ma, Ramiro Moro, Baiqian Zhang, John Indergaard, Ilia Larkin, Markus Kindermann, Walt de Heer
                                    Bulletin of the American Physical Society, (2015) [PDF]

                                  • Publisher’s Note: Multiferroic Rhodium Clusters
                                    Lei Ma, Ramiro Moro, John Bowlan, Andrei Kirilyuk, Walt A de Heer
                                    Physical Review Letters 113,157203 (2015) DOI:10.1103/PhysRevLett.114.039904 [PDF]

                                  • Measured atomic ground-state polarizabilities of 35 metallic elements
                                    L. Ma, J. Indergaard, B. Zhang, I. Larkin, R. Moro, W.A. de Heer
                                    Physical Review A: Rapid Communication 91, 010501(R)(2015) DOI:10.1103/PhysRevA.91.010501 [PDF]

                                  • Multiferroic rhodium clusters
                                    L. Ma, R. Moro, J. Bowlan, W.A. de Heer
                                    Physical Review Letters 106, 157203 (2014) DOI:10.1103/PhysRevLett.113.157203 [PDF]

                                  • Intraband carrier dynamics in Landau-quantized multilayer epitaxial graphene
                                    M. Mittendorff, M. Orlita, M. Potemski, C. Berger, W. A. de Heer, H. Schneider, M. Helm, S. Winnerl
                                    New J. Phys 16, 13021,(2014) DOI:10.1088/1367-2630/16/12/123021 [PDF]

                                  • Terahertz Generation by Dynamical Photon Drag Effect in Graphene Excited by Femtosecond Optical Pulses
                                    J. Maysonnave, S. Huppert, F. Wang, S. Maero, C. Berger, W. de Heer, T.B. Norris, L.A. De Vaulchier, S. Dhillon, J. Tignon, R. Ferreira and J. Mangeney
                                    Nano Letters 14, 5797-5802 (2014) DOI:10.1021/nl502684j [PDF]

                                  • Controlled epitaxial graphene growth within removable amorphous carbon corrals
                                    James Palmer, Jan Kunc, Yike Hu, John Hankinson, Zelei Guo, Claire Berger, and Walt A. de Heer
                                    Appl Phys Lett 105, 023106 (2014) DOI:10.1063/1.4890499 [PDF]

                                  • Anisotropy of Excitation and Relaxation of Photogenerated Charge Carriers in Graphene
                                    Martin Mittendorff, Torben Winzer, Ermin Malic, Andreas Knorr, Claire Berger, Walter A. de Heer, Harald Schneider, Manfred Helm, and Stephan Winnerl
                                    Nano Letters 14, 1504-1507 (2014) DOI:10.1021/nl404730y [PDF]

                                  • Planar edge Schottky barrier-tunneling transistors using epitaxial graphene/SiC junctions
                                    J. Kunc, Y. Hu, J. Palmer, Z. Guo, J. Hankinson, S. H Gamal, C. Berger, W. A. de Heer
                                    Nano Letters 14, 5170-5175 (2014) DOI:10.1021/nl502069d [PDF]

                                  • Exceptional ballistic transport in epitaxial graphene nanoribbons
                                    J. Baringhaus, M. Ruan, F. Edler, A. Tejeda, M. Sicot, A. Taleb-Ibrahimi, A.P. Li, Z. Jiang, E.H. Conrad, C. Berger, C. Tegenkamp, W. A. de Heer
                                    Nature, 506, 349-354 (2014) DOI:10.1038/nature12952 [PDF]

                                  • Local work function measurements of plasma-fluorinated epitaxial graphene
                                    S. D. Sherpa, J. Kunc, Y. Hu, G. Levitin, W. A. de Heer, C. Berger, D. W. Hess
                                    Appl Phys Lett 104,081607 (2014) DOI:10.1063/1.4866783 [PDF]

                                  • Film structure of epitaxial graphene oxide on SiC: Insight on the relationship between interlayer spacing, water content, and intralayer structure
                                    S. Zhou, S. Kim, E. Di Gennaro, Y. Hu, C. Gong, X. Lu, C. Berger, W. de Heer, E. Riedo, Y. J. Chabal, C. Aruta, and A. Bongiorno
                                    Adv. Mater. Interfaces 1300106 (2014) DOI:10.1002/admi.201300106 [PDF]

                                  • Wafer bonding solution to epitaxial graphene - silicon integration
                                    R. Dong, Z. Guo, M. Ruan, J. Kunc, S. K Bhattacharya, C. Berger, W. A. de Heer
                                    J. Phys D 47, 094001 (2014) DOI:10.1088/0022-3727/47/9/094001 [PDF]

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