On the superconductivity of graphite interfaces

被引：0
|
作者：
P. Esquinazi
T. T. Heikkilä
Y. V. Lysogorskiy
D. A. Tayurskii
G. E. Volovik
机构：
[1] Universität Leipzig,Division of Superconductivity and Magnetism, Institut für Experimentelle Physik II
[2] University of Jyväskylä,Department of Physics and Nanoscience Center
[3] Kazan Federal University,Institute of Physics
[4] Kazan Federal University,Centre for Quantum Technologies
[5] Aalto University,Low Temperature Laboratory
[6] Russian Academy of Sciences,Landau Institute for Theoretical Physics
来源：
JETP Letters | 2014年 / 100卷
关键词：
Soliton; JETP Letter; Edge Dislocation; Twist Angle; Highly Orient Pyrolytic Graphite;
D O I：
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中图分类号：
学科分类号：
摘要：
We propose an explanation for the appearance of superconductivity at the interfaces of graphite with Bernal stacking order. A network of line defects with flat bands appears at the interfaces between two slightly twisted graphite structures. Due to the flat band the probability to find high temperature superconductivity at these quasi one-dimensional corridors is strongly enhanced. When the network of superconducting lines is dense it becomes effectively two-dimensional. The model provides an explanation for several reports on the observation of superconductivity up to room temperature in different oriented graphite samples, graphite powders as well as graphite-composite samples published in the past.
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页码：336 / 339
页数：3
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