Temperature dependence of non-equilibrium effects in a Fermi glass

被引:20
|
作者
Vaknin, A [1 ]
Ovadyahu, Z
Pollak, M
机构
[1] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel
[2] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA
来源
EUROPHYSICS LETTERS | 1998年 / 42卷 / 03期
关键词
D O I
10.1209/epl/i1998-00247-9
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report on the dependence on temperature and disorder of the glassy behavior observed in thin films of In2O3-x in the strongly localized regime. The glassy behavior is reflected as a local minimum at the cool-down gate voltage in the conductance vs. gate-voltage, G(V-g) sweeps of field-effect experiments. It is shown that these non-ergodic effects are controlled by an inverse-Arrhenius law and involves a characteristic energy which increases with disorder.
引用
收藏
页码:307 / 311
页数:5
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