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Columbia Researchers Observe Exotic Quantum Particle in Bilayer Graphene（图）
Columbia Researchers Exotic Quantum Particle Bilayer Graphene
2017/10/25
A team led by Cory Dean, assistant professor of physics at Columbia University, and James Hone, Wang Fong-Jen Professor of Mechanical Engineering at Columbia Engineering, has definitively observed an ...
Effect of charged impurity correlation on transport in monolayer and bilayer graphene
charged impurity correlation transport monolayer bilayer graphene
2012/2/27
We study both monolayer and bilayer graphene transport properties taking into account the presence of correlations in the spatial distribution of charged impurities. In particular we find that the exp...
Chiral tunneling in single and bilayer graphene
Chiral tunneling single-layer bilayer graphene its semiclassical theory
2011/7/28
Abstract: We review chiral (Klein) tunneling in single-layer and bilayer graphene and present its semiclassical theory, including the Berry phase and the Maslov index. Peculiarities of the chiral tunn...
Tunable band gaps in bilayer graphene-BN heterostructures
Tunable band gaps bilayer graphene-BN heterostructures
2010/11/19
We investigate band-gap tuning of bilayer graphene between hexagonal boron nitride sheets,
by external electric elds. Using density functional theory, we show that the gap is continuously tunable fr...
Coherence and Optical Emission from Bilayer Exciton Condensates
Coherence Optical Emission Bilayer Exciton Condensates
2010/11/23
Experiments aimed at demonstrating Bose-Einstein condensation of excitons in two types of experiments with bilayer structures (coupled quantum wells) are reviewed,with an emphasis on the basic e ects....
We describe the gated bilayer graphene system when it is subjected to intense terahertz frequency electromagnetic radiation. We examine the electron band structure and density of states via exact diag...
Seunghyun Lee, Kyunghoon Lee, Zhaohui Zhong Wafer Scale Homogeneous Bilayer Graphene Films by Chemical Vapor Deposition
Graphene, bilayer chemical vapor deposition wafer scale bandgap opening
2010/11/24
The discovery of electric field induced bandgap opening in bilayer graphene opens new door for making semiconducting graphene without aggressive size scaling or using expensive substrates. However, bi...
Intercalation of a Nonionic Surfactant (C10E3) bilayer into a Na-Montmorillonite Clay
Intercalation of a Nonionic Surfactant (C10E3) bilayer Na-Montmorillonite Clay
2010/11/23
A nonionic surfactant, the tri-ethylene glycol mono n-decyl ether (C10E3), characterized by its lamellar phase state, was introduced in the interlayer of a Na-montmorillonite clay at several concentra...
Collective modes of monolayer, bilayer, and multilayer fermionic dipolar liquid
Collective modes of monolayer bilayer multilayer fermionic dipolar liquid
2010/10/27
Motivated by recent experimental advances in creating polar molecular gases in the laboratory,
we theoretically investigate the many body effects of two- dimensional dipolar systems with the
anisotr...
Breakdown of counterflow superfluidity in a disordered quantum Hall bilayer
Breakdown of counterflow disordered quantum Hall bilayer
2010/11/23
We present a theory for the regime of coherent interlayer tunneling in a disordered quantum Hall bilayer at total filling factor one, allowing for the effect of static vortices. We find that the syste...
Structure, morphology and magnetism of an ultra-thin [NiO/CoO]/PtCo bilayer with perpendicular exchange bias
magnetism exchange bias MOKE synchrotron light
2010/7/5
Electronic and magnetic properties of nanoscale materials are closely related to the atomic arrangement at the interface shared by different chemical elements. A very precise knowledge of the surface/...
Unusual Charge Transport and
Spin Response of Doped Bilayer Triangular Antiferromagnets
charge transport spin response t-J model
2007/8/15
2003Vol.39No.6pp.749-756DOI:
Unusual Charge Transport and
Spin Response of Doped Bilayer Triangular Antiferromagnets
LIANG Ying,1 MA Tian-Xing,1 and FENG Shi-Ping2,3,4
1...