STUDIES OF THE REENTRANT INSULATING PHASE AROUND THE 1/5 FQH LIQUID - IV CURVES, NOISE, RF BIAS

被引：7

作者：

ENGEL, LW

SAJOTO, T

LI, YP

TSUI, DC

SHAYEGAN, M

机构：

[1] Department of Electrical Engineering, Princeton University, Princeton

来源：

SURFACE SCIENCE | 1992年 / 263卷 / 1-3期

关键词：

D O I：

10.1016/0039-6028(92)90304-O

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report on systematic studies of I-V and noise in the insulating phase around the 1/5 FQH liquid at B = 11.9 T. The noise and I-V data are correlated, and together they are consistent with a weakly pinned Wigner crystal for B below and immediately above the 1/5 FQH liquid. For B greater-than-or-equal-to 12.7 T, the system is in a more insulating regime, in which the noise vanishes, and which could be described as a Wigner glass. Preliminary results of a search for resonances or Shapiro steps in a 2DES are also presented.

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页码：44 / 48

页数：5

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