Below is a list of more recent publications by memebrs of the center. Links to free versions of these publications have been included where available.

  • 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, Hervé Courtois, and Clemens B. Winkelmann*
    Nano Lett. 2020, 20, 3786−3790.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.
  • 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

  • Tip-induced or enhanced superconductivity: a way to detect topological superconductivity
    He Wang, Lei Ma, Jian Wang
    Science Bulletin, 2018, 63:1141-1158.

  • 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.

  • 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.

  • 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.

  • 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.

  • Epigraphene: epitaxial graphene on silicon carbide
    Claire Berger, Edward H Conrad, Walt A de Heer
    arXiv preprint arXiv:1704.00374, (2017)

  • 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)

  • 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)

  • Four-Wave Mixing in Landau-Quantized Graphene
    Jacob C König-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)

  • 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)

  • 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
    arXiv preprint arXiv:1611.08937, (2016)

  • 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)

  • 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)

  • Microscopic origins of the terahertz carrier relaxation and cooling dynamics in graphene
    JC König-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)

  • Slow Noncollinear Coulomb Scattering in the Vicinity of the Dirac Point 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)

  • 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)

  • 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)

  • 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
    APS Meeting Abstracts, (2016).

  • 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)

  • 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)

  • 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)

  • 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).

  • 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).

  • Atomic structure of epitaxial graphene sidewall nanoribbons: sub-nanoribbons and band-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).

  • Strong Auger scattering in Landau quantized graphene
    M. Mittendorff, F. Wendler, E. Malic, A. Knorr, M. Orlita, M. Potemski, C. Berger, W. A. de Heer, H. Schneider, M. Helm, S. Winnerl
    Nature Phys. 11, 75 (2015).

  • 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).

  • Room temperature broadband coherent terahertz emission induced bydynamical photon drag in graphene
    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 Lett 14, 5797-5802 (2014).

  • Controlled epitaxial graphene growth within amorphous carbon corrals
    J Palmer, J. Kunc, Y. Hu, J. Hankinson, Z. Guo, C. Berger, W.A. de Heer
    Appl Phys Lett 105, 023106 (2014).

  • Anisotropy of excitation and relaxation of photogenerated Dirac electrons in graphene
    M. Mittendorff, T. Winzer, E. Malic, A. Knorr, C. Berger, W. A. de Heer, H. Schneider, M. Helm, S. Winnerl,
    Nano Letters 14, 1504-1507 (2014).

  • 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).

  • 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).

  • 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).

  • 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. Funct. Interfaces, 1300106 (2014).

  • 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).

  • 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.

  • Single Photon Thermal Ionization of C60
    Klavs Hansen, Robert Richter, Michael Alagia, Stefano Stranges, Luca Schio, Peter Salén, Vasyl Yatsyna, Raimund Feifel, and Vitali Zhaunerchyk
    Phys. Rev. Lett. 118 103001(2017)
    Selected as Editor's Suggestion

  • Spontaneous decay of small copper cluster anions Cun-, n = 3 - 6 on long time scales
    K. Hansen, M.H. Stockett, M. Kaminska, R.F. Nascimento, E.K. Anderson, M. Gatchell, K.C. Chartkunchand, G. Eklund, H. Zettergren, H.T. Schmidt, and H. C Cederquist
    Phys. Rev. A, 95 , 022511(2017)

  • 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, Börje Johansson, Andrei Kirilyuk
    Scientific reports, 6, (2016)

  • The effect of a localized charge on the structure and stability of Van-Der Waals clusters
    I. Rahinov, Y. Toker, K. Hansen, D. Schwalm, O. Heber, and D. Zajfman
    Eur. Phys. J. D 70 260(2016)

  • Effect of conformers on free energies of atmospheric complexes
    Lauri Partanen, Hanna Vehkamäki, Klavs Hansen, Jonas Elm, Henning Henschel, Theo Kurtén, Roope Halonen, and Evgeni Zapadinsky
    J. Phys. Chem. 120, 8613-8624(2016)

  • Detection of recurrent fluorescent photons
    Y. Ebara, T. Furukawa, J. Matsumoto, H. Tanima, T. Azuma, H. Shiromaru, K. Hansen
    Physical Review Letters 117, 133004 (2016)

  • 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)

  • 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)

  • Publisher’s Note: Multiferroic Rhodium Clusters
    Lei Ma, Ramiro Moro, John Bowlan, Andrei Kirilyuk, Walt A de Heer
    Physical Review Letters 113,157203 (2015)

  • 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)

  • Thermal radiation and fragmentation pathways of photo-excited silicon clusters
    P. Ferrari, E. Janssens, P. Lievens, K. Hansen
    Journal of Chemistry Physics 143,224313 (2015)

  • Inverse internal conversion in photo-excited C4-
    N. Kono, T. Furukawa, H. Tanuma, J. Matsumoto, H. Shiromaru, T. Azuma, K. Najafian, M.S. Pettersson, B. Dynefors, K. Hansen
    Physical Chemistry Chemical Physics 17, 24732 (2015)

  • Cooling dynamics of photo-excited negative carbon cluster ions stored in an ion storage ring
    T. Furukawa, G. Ito, M. Goto, T. Majima, H. Tanuma, J. Matsumoto, H. Shiromaru, K. Hansen, T. Azuma
    Nuclear Instruments and Methods in Physics Research B 354, 192 (2015)

  • Angular asymmetry and attosecond time delay from the giant pasmon resonance in C60 photoionization
    T. Barillot, C. Cauchy, P-A. Hervieux, M. Gisselbrecht, S.E. Canton, P. Johnsson, J. Laksman, E.P. Mansson, J.M. Dahlström, M. Magrakvelidze, G. Dixit, M.E. Madjet, H.S. Chakraborty, E. Suraud, P.M. Dinh, P. Wopperer, K. Hansen, V. Loriot, C. Bordas, S. Sorensen, F. Lépine
    Physical Review A 91, 033413 (2015)

  • The effective temperature in microcanonical rate constants
    K. Hansen
    Chemical Physics Letters 620, 43-45 (2015)

  • Multiferroic rhodium clusters
    L. Ma, R. Moro, J. Bowlan, W.A. de Heer
    Physical Review Letters 106, 157203 (2014)

  • X-ray induced fragmentation of size-selected salt cluster-ions stored in an ion trap
    M.J. Ryding, A. Giuliani, M. Patanen, J. Niskanen, G. Simões, G.B.S. Miller, E. Antonsson, T. Jokinen, C. Miron, O. Björneholm, K. Hansen, K.J. Børve, E. Uggerud
    RSC Advances 4 (2014), 47743

  • Low temperature heat capacity of water clusters
    H. Chen and K. Hansen
    Chem. Phys. Lett. 610-611 (2014), 369

  • Radiative cooling of laser heated niobium clusters NbN+s, 8 = N = 22
    K. Hansen, Y. Li, V. Kaydashev, E. Janssens
    J. Chem. Phys. 141 (2014), 024302

  • Cooling dynamics of photo-excited C6- and C6H-
    G. Ito, T. Furukawa, H. Tanuma, J. Matsumoto, H. Shiromaru, T. Majima, M. Goto, T. Azuma, K. Hansen
    Phys. Rev. Lett 112 (2014), 183001

  • Radiative cooling of C7-
    K. Najafian, M.S. Pettersson, B. Dynefors, H. Shiromaru, J. Matsumoto, H. Tanuma, T. Furukawa, T. Azuma, K. Hansen
    J. Chem. Phys. 140 (2014), 104311

  • 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.

  • 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.

  • 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, 2019, 175: 108149.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Silver Flakes and Silver Dendrites for Hybrid Electrically Conductive Adhesives with Enhanced Conductivity
    Journal of Electronic Materials, 2018, 47: 2929-2939.

  • 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.

  • 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.