Tailoring the thermal Casimir force with graphene

被引:34
|
作者
Svetovoy, V. [1 ]
Moktadir, Z. [2 ]
Elwenspoek, M. [1 ,3 ]
Mizuta, H. [2 ,4 ]
机构
[1] Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands
[2] Univ Southampton, Southampton SO17 1BJ, Hants, England
[3] Univ Freiburg, FRIAS, D-79104 Freiburg, Germany
[4] Adv Inst Sci & Technol JAIST, Sch Mat Sci, Kanazawa, Ishikawa 9231292, Japan
关键词
BANDGAP;
D O I
10.1209/0295-5075/96/14006
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The Casimir interaction is omnipresent source of forces at small separations between bodies, which is difficult to change by varying external conditions. Here we show that graphene interacting with a metal can have the best known force contrast to the temperature and the Fermi level variations. In the distance range 50-300 nm the force is measurable and can vary a few times for graphene with a bandgap much larger than the temperature. In this distance range the main part of the force is due to the thermal fluctuations. We discuss also graphene on a dielectric membrane as a technologically robust configuration. Copyright (C) EPLA, 2011
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页数:6
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