USING QUANTIZED BREAKDOWN VOLTAGE SIGNALS TO DETERMINE THE MAXIMUM ELECTRIC-FIELDS IN A QUANTUM HALL-EFFECT SAMPLE

被引：8

作者：

CAGE, ME

LAVINE, CF

机构：

来源：

JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | 1995年 / 100卷 / 03期

关键词：

BREAKDOWN; ELECTRIC FIELDS; QUANTIZED DISSIPATION; QUANTIZED VOLTAGE STATES; QUANTUM HALL EFFECT; QUASI-ELASTIC INTER-LANDAU LEVEL SCATTERING; 2-DIMENSIONAL ELECTRON GAS;

D O I：

10.6028/jres.100.019

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We estimate the maximum values of the electric field across the width of a GaAs/AlGaAs heterostructure quantum Hall effect sample at several currents when the sample is in the breakdown regime. This estimate is accomplished by measuring the quantized longitudinal voltage drops along a length of the sample and then employing a quasielastic inter-Landau level scattering (QUILLS) model to calculate the electric field. We also present a pictorial description of how QUILLS transitions occurring between states distributed across the sample width can be detected as voltage signals along the sample length.

引用

收藏

页码：269 / 276

页数：8

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