http://prl.aps.org/ Graphene articles published in Physical Review Journals en-us Copyright (c) 2009 The American Physical Society 2009-11-22T20:25:39-05:00 assocpub@aps.org rss@aps.org hourly 4 2009-11-22T20:25:39-05:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevLett.103.216801 Author(s): Kentaro Nomura, Shinsei Ryu, and Dung-Hai Lee<br/>At the charge neutral point, graphene exhibits a very unusual high-resistance metallic state and a transition to a complete insulating phase in a strong magnetic field. We propose that the current carriers in this state are the charged vortices of the XY valley-pseudospin order parameter, a situatio...<br/>[Phys. Rev. Lett. 103, 216801] Published Fri Nov 20, 2009 Kentaro Nomura, Shinsei Ryu, and Dung-Hai Lee 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.216801 Phys. Rev. Lett. 103, 216801 text/html article Physical Review Letters 103 21 2009-11-20T00:00:00-05:00 216801 Condensed Matter: Electronic Properties, etc. Condensed Matter: Electronic Properties, etc. http://link.aps.org/doi/10.1103/PhysRevB.80.195418 Author(s): Wang-Kong Tse and A. H. MacDonald<br/>We present a theory of the influence of band renormalization and excitonic electron-electron interaction effects on the optical conductivity σ(ω) of doped bilayer graphene. Using the Keldysh formalism, we derive a kinetic equation from which we extract numerical and approximate analytic results fo...<br/>[Phys. Rev. B 80, 195418] Published Fri Nov 20, 2009 Wang-Kong Tse and A. H. MacDonald 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195418 Phys. Rev. B 80, 195418 text/html article Physical Review B 80 19 2009-11-20T00:00:00-05:00 195418 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.184113 Author(s): E. G. Gamaly, N. R. Madsen, D. Golberg, and A. V. Rode<br/>Formation of carbon nanoclusters in a single-laser-pulse created ablation plume was studied both in vacuum and in a noble gas environment at various pressures. The developed theory provides cluster radius dependence on combination of laser parameters, properties of ablated material, and type and pre...<br/>[Phys. Rev. B 80, 184113] Published Thu Nov 19, 2009 E. G. Gamaly, N. R. Madsen, D. Golberg, and A. V. Rode 2009-11-19T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.184113 Phys. Rev. B 80, 184113 text/html article Physical Review B 80 18 2009-11-19T00:00:00-05:00 184113 Structure, structural phase transitions, mechanical properties, defects Structure, structural phase transitions, mechanical properties, defects http://link.aps.org/doi/10.1103/PhysRevB.80.205419 Author(s): Vladimir N. Popok, Saša Vučković, Juha Samela, Tommi T. Järvi, Kai Nordlund, and Eleanor E. B. Campbell<br/>The interaction of energetic (up to 200 eV/atom) size-selected Co_{n} clusters with HOPG is studied both experimentally and theoretically. Etching of the radiation damaged areas introduced by cluster impacts provides a measure of the depth to which the collision cascades are developed and allows a c...<br/>[Phys. Rev. B 80, 205419] Published Thu Nov 19, 2009 Vladimir N. Popok, Saša Vučković, Juha Samela, Tommi T. Järvi, Kai Nordlund, and Eleanor E. B. Campbell 2009-11-19T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205419 Phys. Rev. B 80, 205419 text/html article Physical Review B 80 20 2009-11-19T00:00:00-05:00 205419 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.205319 Author(s): Shinsei Ryu, Christopher Mudry, Chang-Yu Hou, and Claudio Chamon<br/>We classify all possible 36 gap-opening instabilities in graphenelike structures in two dimensions, i.e., masses of Dirac Hamiltonian when the spin, valley, and superconducting channels are included. These 36 order parameters break up into 56 possible quintuplets of masses that add in quadrature and...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> [Phys. Rev. B 80, 205319] Published Wed Nov 18, 2009 Shinsei Ryu, Christopher Mudry, Chang-Yu Hou, and Claudio Chamon 2009-11-18T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205319 Phys. Rev. B 80, 205319 text/html article Physical Review B 80 20 2009-11-18T00:00:00-05:00 205319 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.195413 Author(s): Antonino La Magna, Ioannis Deretzis, Giuseppe Forte, and Renato Pucci<br/>Electronic transport at the μm length scale is theoretically investigated for N -doped and vacancy damaged graphene nanoribbons. In these systems, localization due to scattering is strongly energy dependent, and this fact leads to the appearance of conductance quasigaps in the spectral region of th...<br/>[Phys. Rev. B 80, 195413] Published Tue Nov 17, 2009 Antonino La Magna, Ioannis Deretzis, Giuseppe Forte, and Renato Pucci 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195413 Phys. Rev. B 80, 195413 text/html article Physical Review B 80 19 2009-11-17T00:00:00-05:00 195413 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.195414 Author(s): O. Poplavskyy, M. O. Goerbig, and C. Morais Smith<br/>We calculate, within a self-consistent Hartree-Fock approximation, the local density of states for different electron crystals in graphene subject to a strong magnetic field. We investigate both the Wigner crystal and bubble crystals with M_{e} electrons per lattice site. The total density of states...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> [Phys. Rev. B 80, 195414] Published Tue Nov 17, 2009 O. Poplavskyy, M. O. Goerbig, and C. Morais Smith 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195414 Phys. Rev. B 80, 195414 text/html article Physical Review B 80 19 2009-11-17T00:00:00-05:00 195414 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.201404 Author(s): András Pályi and Guido Burkard<br/>Hyperfine interaction (HFI) in carbon nanotube and graphene quantum dots is due to the presence of ^{13} C atoms. We theoretically show that in these structures the short-range nature of the HFI gives rise to a coupling between the valley degree of freedom of the electron and the nuclear spin, in ad...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201404] Published Tue Nov 17, 2009 András Pályi and Guido Burkard 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201404 Phys. Rev. B 80, 201404 text/html article Physical Review B 80 20 2009-11-17T00:00:00-05:00 201404 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.195411 Author(s): Frank W. Averill, James R. Morris, and Valentino R. Cooper<br/>Carbon is an attractive material for hydrogen adsorption due to its light weight, variety of structures, and ability to both physisorb and chemisorb hydrogen. Recently, fully hydrogenated graphene layers (“graphane”) have been predicted to exist [J. O. Sofo , Phys. Rev. B 75, 15340 (2007)], and ...<br/>[Phys. Rev. B 80, 195411] Published Mon Nov 16, 2009 Frank W. Averill, James R. Morris, and Valentino R. Cooper 2009-11-16T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195411 Phys. Rev. B 80, 195411 text/html article Physical Review B 80 19 2009-11-16T00:00:00-05:00 195411 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.195310 Author(s): Z. L. Guo, Z. R. Gong, H. Dong, and C. P. Sun<br/>We study the electronic properties of the Möbius graphene strip with a zigzag edge. We show that such a graphene strip behaves as a topological insulator with a gapped bulk and a robust metallic surface, which enjoys some features due to its nontrivial topology of the spatial configuration such as ...<br/>[Phys. Rev. B 80, 195310] Published Fri Nov 13, 2009 Z. L. Guo, Z. R. Gong, H. Dong, and C. P. Sun 2009-11-13T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195310 Phys. Rev. B 80, 195310 text/html article Physical Review B 80 19 2009-11-13T00:00:00-05:00 195310 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.193407 Author(s): A. S. Moskalenko and J. Berakdar<br/>We study the nonequilibrium dynamics in a mesoscopic graphene ring excited by picoseconds shaped electromagnetic pulses. We predict an ultrafast buildup of charge polarization, currents, and orbital magnetization. Applying the light pulses identified here, nonequilibrium valley currents are generate...<br/>[Phys. Rev. B 80, 193407] Published Thu Nov 12, 2009 A. S. Moskalenko and J. Berakdar 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.193407 Phys. Rev. B 80, 193407 text/html article Physical Review B 80 19 2009-11-12T00:00:00-05:00 193407 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevLett.103.206804 Author(s): Bruno Uchoa, Ling Yang, S.-W. Tsai, N. M. R. Peres, and A. H. Castro Neto<br/>We examine theoretically the signatures of magnetic adatoms in graphene probed by scanning tunneling spectroscopy (STS). When the adatom hybridizes equally with the two graphene sublattices, the broadening of the local adatom level is anomalous and can scale with the cube of the energy. In contrast ...<br/>[Phys. Rev. Lett. 103, 206804] Published Wed Nov 11, 2009 Bruno Uchoa, Ling Yang, S.-W. Tsai, N. M. R. Peres, and A. H. Castro Neto 2009-11-11T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.206804 Phys. Rev. Lett. 103, 206804 text/html article Physical Review Letters 103 20 2009-11-11T00:00:00-05:00 206804 Condensed Matter: Electronic Properties, etc. Condensed Matter: Electronic Properties, etc. http://link.aps.org/doi/10.1103/PhysRevB.80.201403 Author(s): A. J. M. Giesbers, L. A. Ponomarenko, K. S. Novoselov, A. K. Geim, M. I. Katsnelson, J. C. Maan, and U. Zeitler<br/>We have measured a strong increase of the low-temperature resistivity ρ_{xx} and a zero-value plateau in the Hall conductivity σ_{xy} at the charge neutrality point in graphene subjected to high magnetic fields up to 30 T. We explain our results by a simple model involving a field dependent splitt...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> <img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201403] Published Wed Nov 11, 2009 A. J. M. Giesbers, L. A. Ponomarenko, K. S. Novoselov, A. K. Geim, M. I. Katsnelson, J. C. Maan, and U. Zeitler 2009-11-11T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201403 Phys. Rev. B 80, 201403 text/html article Physical Review B 80 20 2009-11-11T00:00:00-05:00 201403 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevLett.103.207401 Author(s): A. R. Wright, J. C. Cao, and C. Zhang<br/>We reveal that there exists a class of graphene structures (a subclass of bilayer graphene nanoribbons) which has an exceptionally strong optical response in the terahertz (THz) and far infrared (FIR) regime. The peak conductance of THz/FIR active bilayer ribbons is around 2 orders of magnitude high...<br/>[Phys. Rev. Lett. 103, 207401] Published Tue Nov 10, 2009 A. R. Wright, J. C. Cao, and C. Zhang 2009-11-10T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.207401 Phys. Rev. Lett. 103, 207401 text/html article Physical Review Letters 103 20 2009-11-10T00:00:00-05:00 207401 Condensed Matter: Electronic Properties, etc. Condensed Matter: Electronic Properties, etc. http://link.aps.org/doi/10.1103/PhysRevB.80.205407 Author(s): Xiaoding Wei, Benjamin Fragneaud, Chris A. Marianetti, and Jeffrey W. Kysar<br/>The nonlinear in-plane elastic properties of graphene are calculated using density-functional theory. A thermodynamically rigorous continuum description of the elastic response is formulated by expanding the elastic strain energy density in a Taylor series in strain truncated after the fifth-order t...<br/>[Phys. Rev. B 80, 205407] Published Tue Nov 10, 2009 Xiaoding Wei, Benjamin Fragneaud, Chris A. Marianetti, and Jeffrey W. Kysar 2009-11-10T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205407 Phys. Rev. B 80, 205407 text/html article Physical Review B 80 20 2009-11-10T00:00:00-05:00 205407 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.205410 Author(s): Marcel Mohr, Konstantinos Papagelis, Janina Maultzsch, and Christian Thomsen<br/>We present an in-depth analysis of the electronic and vibrational band structure of uniaxially strained graphene by ab initio calculations. Depending on the direction and amount of strain, the Fermi crossing moves away from the K point. However, graphene remains semimetallic under small strains. The...<br/>[Phys. Rev. B 80, 205410] Published Tue Nov 10, 2009 Marcel Mohr, Konstantinos Papagelis, Janina Maultzsch, and Christian Thomsen 2009-11-10T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205410 Phys. Rev. B 80, 205410 text/html article Physical Review B 80 20 2009-11-10T00:00:00-05:00 205410 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.205411 Author(s): Larry Lüer, Guglielmo Lanzani, Jared Crochet, Tobias Hertel, Josh Holt, and Z. Valy Vardeny<br/>Transient polarized pump/probe transmission changes upon pulse photoexcitation at 1.6 eV were measured in chiral enriched carbon nanotubes ensembles of both metallic and semiconductor characters, in a very broad probe spectral range from mid-IR to visible, combining several ultrafast laser systems. ...<br/>[Phys. Rev. B 80, 205411] Published Tue Nov 10, 2009 Larry Lüer, Guglielmo Lanzani, Jared Crochet, Tobias Hertel, Josh Holt, and Z. Valy Vardeny 2009-11-10T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205411 Phys. Rev. B 80, 205411 text/html article Physical Review B 80 20 2009-11-10T00:00:00-05:00 205411 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevLett.103.196401 Author(s): Leonardo Spanu, Sandro Sorella, and Giulia Galli<br/>We compute the interlayer bonding properties of graphite using an ab initio many-body theory. We carry out variational and diffusion quantum Monte Carlo calculations and find an equilibrium interlayer binding energy in good agreement with most recent experiments. We also analyze the behavior of th...<br/>[Phys. Rev. Lett. 103, 196401] Published Fri Nov 06, 2009 Leonardo Spanu, Sandro Sorella, and Giulia Galli 2009-11-06T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.196401 Phys. Rev. Lett. 103, 196401 text/html article Physical Review Letters 103 19 2009-11-06T00:00:00-05:00 196401 Condensed Matter: Electronic Properties, etc. Condensed Matter: Electronic Properties, etc. http://link.aps.org/doi/10.1103/PhysRevB.80.193404 Author(s): Sankaran Lakshmi, Stephan Roche, and Gianaurelio Cuniberti<br/>We report on the possibility for a spin-valve effect driven by edge defect engineering of zigzag graphene nanoribbons. Based on a mean-field spin-unrestricted Hubbard model, electronic band structures and conductance profiles are derived, using a self-consistent scheme to include gate-induced charge...<br/>[Phys. Rev. B 80, 193404] Published Fri Nov 06, 2009 Sankaran Lakshmi, Stephan Roche, and Gianaurelio Cuniberti 2009-11-06T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.193404 Phys. Rev. B 80, 193404 text/html article Physical Review B 80 19 2009-11-06T00:00:00-05:00 193404 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.205405 Author(s): E. H. Hwang and S. Das Sarma<br/>We derive the plasmon dispersion in doped double-layer graphene (DLG), made of two parallel graphene monolayers with carrier densities n_{1} and n_{2} , respectively, and an interlayer separation of d . The linear chiral gapless single-particle energy dispersion of graphene leads to DLG plasmon prop...<br/>[Phys. Rev. B 80, 205405] Published Fri Nov 06, 2009 E. H. Hwang and S. Das Sarma 2009-11-06T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205405 Phys. Rev. B 80, 205405 text/html article Physical Review B 80 20 2009-11-06T00:00:00-05:00 205405 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.193304 Author(s): Shun-Li Yu, Jian-Xin Li, and Li Sheng<br/>We study theoretically the quantum Hall effect (QHE) on the kagome lattice with anisotropy in one of the hopping integrals. We find an interesting quantum phase, in which the QHE exhibits the energy spectrum given by E(n)=±v_{F} sqrt[(n+1/2)ℏBe] ( n is an integer) being different from the known t...<br/>[Phys. Rev. B 80, 193304] Published Thu Nov 05, 2009 Shun-Li Yu, Jian-Xin Li, and Li Sheng 2009-11-05T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.193304 Phys. Rev. B 80, 193304 text/html article Physical Review B 80 19 2009-11-05T00:00:00-05:00 193304 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.195405 Author(s): K. F. Allison, D. Borka, I. Radović, Lj. Hadžievski, and Z. L. Mišković<br/>We evaluate the stopping and image forces on a charged particle moving parallel to a doped sheet of graphene by using the dielectric-response formalism for graphene’s π -electron bands in the random phase approximation (RPA). The forces are presented as functions of the particle speed and the par...<br/>[Phys. Rev. B 80, 195405] Published Wed Nov 04, 2009 K. F. Allison, D. Borka, I. Radović, Lj. Hadžievski, and Z. L. Mišković 2009-11-04T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195405 Phys. Rev. B 80, 195405 text/html article Physical Review B 80 19 2009-11-04T00:00:00-05:00 195405 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.205402 Author(s): A. A. Shylau, J. W. Kłos, and I. V. Zozoulenko<br/>We present an analytical theory for the gate electrostatics and the classical and quantum capacitance of the graphene nanoribbons (GNRs) and compare it with the exact self-consistent numerical calculations based on the tight-binding p -orbital Hamiltonian within the Hartree approximation. We demonst...<br/>[Phys. Rev. B 80, 205402] Published Wed Nov 04, 2009 A. A. Shylau, J. W. Kłos, and I. V. Zozoulenko 2009-11-04T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205402 Phys. Rev. B 80, 205402 text/html article Physical Review B 80 20 2009-11-04T00:00:00-05:00 205402 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevLett.103.196801 Author(s): Markus Müller, Matthias Bräuninger, and Björn Trauzettel<br/>We investigate the temperature dependence of conductivity in ballistic graphene using Landauer transport theory. We obtain results which are qualitatively in agreement with many features recently observed in transport measurements on high mobility suspended graphene. The conductivity σ at high temp...<br/>[Phys. Rev. Lett. 103, 196801] Published Mon Nov 02, 2009 Markus Müller, Matthias Bräuninger, and Björn Trauzettel 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.196801 Phys. Rev. Lett. 103, 196801 text/html article Physical Review Letters 103 19 2009-11-02T00:00:00-05:00 196801 Condensed Matter: Electronic Properties, etc. Condensed Matter: Electronic Properties, etc. http://link.aps.org/doi/10.1103/PhysRevLett.103.196802 Author(s): Sunghun Park and H.-S. Sim<br/>We theoretically study the phase of the reflection amplitude of an electron (massive Dirac fermion) at a lateral potential step in Bernal-stacked bilayer graphene. The phase shows an anomalous jump of Ï€, as the electron incidence angle (relative to the normal direction to the step) varies to pass Â...<br/>[Phys. Rev. Lett. 103, 196802] Published Mon Nov 02, 2009 Sunghun Park and H.-S. Sim 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.196802 Phys. Rev. Lett. 103, 196802 text/html article Physical Review Letters 103 19 2009-11-02T00:00:00-05:00 196802 Condensed Matter: Electronic Properties, etc. Condensed Matter: Electronic Properties, etc. http://link.aps.org/doi/10.1103/PhysRevB.80.193401 Author(s): Norman J. Morgenstern Horing<br/>We analyze the plasmon spectrum of a graphene sheet in the vicinity of a thick plasmalike substrate, finding linear dispersion in some parameter ranges.<br/>[Phys. Rev. B 80, 193401] Published Mon Nov 02, 2009 Norman J. Morgenstern Horing 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.193401 Phys. Rev. B 80, 193401 text/html article Physical Review B 80 19 2009-11-02T00:00:00-05:00 193401 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.195401 Author(s): A. A. Avetisyan, B. Partoens, and F. M. Peeters<br/>It is known that a perpendicular electric field applied to multilayers of graphene modifies the electronic structure near the K point and may induce an energy gap in the electronic spectrum which is tunable by the gate voltage. Here we consider a system of graphene multilayers in the presence of a p...<br/>[Phys. Rev. B 80, 195401] Published Mon Nov 02, 2009 A. A. Avetisyan, B. Partoens, and F. M. Peeters 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195401 Phys. Rev. B 80, 195401 text/html article Physical Review B 80 19 2009-11-02T00:00:00-05:00 195401 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.195402 Author(s): A. Arndt, D. Spoddig, P. Esquinazi, J. Barzola-Quiquia, S. Dusari, and T. Butz<br/>We investigate the dependence of the electrical resistivity and magnetoresistance of single crystalline micrometer-sized graphite samples of a few tens of nanometers thick on the defect concentration produced by irradiation at low fluences. We show that the carrier density of graphite n is extremely...<br/>[Phys. Rev. B 80, 195402] Published Mon Nov 02, 2009 A. Arndt, D. Spoddig, P. Esquinazi, J. Barzola-Quiquia, S. Dusari, and T. Butz 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.195402 Phys. Rev. B 80, 195402 text/html article Physical Review B 80 19 2009-11-02T00:00:00-05:00 195402 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.205101 Author(s): R. Ma, L. Sheng, R. Shen, M. Liu, and D. N. Sheng<br/>We numerically study the quantum Hall effect (QHE) in bilayer graphene based on tight-binding model in the presence of disorder. Two distinct QHE regimes are identified in the full energy band separated by a critical region with nonquantized Hall Effect. The Hall conductivity around the band center ...<br/>[Phys. Rev. B 80, 205101] Published Mon Nov 02, 2009 R. Ma, L. Sheng, R. Shen, M. Liu, and D. N. Sheng 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.205101 Phys. Rev. B 80, 205101 text/html article Physical Review B 80 20 2009-11-02T00:00:00-05:00 205101 Electronic structure: wide-band, narrow-band, and strongly correlated systems Electronic structure: wide-band, narrow-band, and strongly correlated systems http://link.aps.org/doi/10.1103/PhysRevLett.103.187204 Author(s): Zhuhua Zhang, Changfeng Chen, and Wanlin Guo<br/>We predict a magnetoelectric (ME) effect in graphene nanoribbons on silicon substrates by first-principles calculations. It is shown that a bias voltage can produce strong linear ME effect by driving charge transfer between the nanoribbons and substrate, thus tuning the exchange splitting of magneti...<br/>[Phys. Rev. Lett. 103, 187204] Published Fri Oct 30, 2009 Zhuhua Zhang, Changfeng Chen, and Wanlin Guo 2009-10-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.187204 Phys. Rev. Lett. 103, 187204 text/html article Physical Review Letters 103 18 2009-10-30T00:00:00-04:00 187204 Condensed Matter: Electronic Properties, etc. Condensed Matter: Electronic Properties, etc.