2023


---

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) [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 V3Si_n^- (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]
  

2022

• 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 Moro1, 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 accept
  
  
• 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: In_n^-, In_nSi^-, and In_nGe^- (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]
  
  
• TMGe_8-17^-(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 TM₂Si_n^- (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
  张翼鹏，王雪，纪佩璇，赵健，张凯敏，李睿，于凯丞，田昊，马雷
  发光学报（2022）DOI:10.37188/CJL.20210359 [PDF]
  

  ---

  ---

  
  2021
  

  ---

  
  
• 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]
  

  ---

  ---

  
  2020
  

  ---

  
  
• 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]
  

  ---

  ---

  
  2019
  

  ---

  
  
• 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]
  
  

  ---

  ---

  
  2018
  

  ---

  
  
• 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]
  

  ---

  ---

  
  2017
  

  ---

• 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]
  

  ---

  ---