A CONTACT LIMITED PRECISION OF THE QUANTIZED HALL RESISTANCE

被引：16

作者：

HIRAI, H ^{[1
]}

KOMIYAMA, S ^{[1
]}

机构：

[1] UNIV TOKYO,DEPT PURE & APPL SCI,MEGURO KU,TOKYO 153,JAPAN

来源：

JOURNAL OF APPLIED PHYSICS | 1990年 / 68卷 / 02期

关键词：

D O I：

10.1063/1.346795

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A four-terminal Hall resistance is analyzed using the Büttiker formalism of contacts. The possible maximum deviation of a quantized Hall resistance from ideal values in a multiterminal device is shown to be limited by the resistances of contacts. A general expression for the possible maximum deviation is derived for a multiterminal configuration with an arbitrary number of terminals in the condition of an arbitrary (integer) number of filled Landau levels. The influence of an inhomogeneous two-dimensional electron gas on the Hall resistance is also discussed.

引用

页码：655 / 662

页数：8

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