双层石墨烯间隧道中范霍夫奇点逐层定位的表现

IF 1.4 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

JETP Letters Pub Date : 2025-01-20 DOI:10.1134/S0021364024604019

E. E. Vdovin, Yu. N. Khanin, S. V. Morozov, M. A. Kashchenko, A. A. Sokolik, K. S. Novoselov

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引用次数: 0

摘要

研究了两层双层石墨烯之间的隧道，其中晶格彼此相对旋转一个小角度。在不同的双层石墨烯薄片上，发现了由电导率和价带边缘的van Hove奇点引起的隧道电导率的异常行为。

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Manifestation of Layer-by-Layer Localization of van Hove Singularities in Tunneling between Bilayer Graphene Sheets

Tunneling between two sheets of bilayer graphene, the crystal lattices of which are rotated relative to each other by a small angle, has been studied. An anomalous behavior of the tunneling conductivity caused by van Hove singularities at the edges of the conduction and valence bands spatially localized in different sheets of bilayer graphene has been found.

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来源期刊

JETP Letters 物理-物理：综合

CiteScore

2.40

自引率

30.80%

发文量

164

审稿时长

3-6 weeks

期刊介绍： All topics of experimental and theoretical physics including gravitation, field theory, elementary particles and nuclei, plasma, nonlinear phenomena, condensed matter, superconductivity, superfluidity, lasers, and surfaces.