Four-port AC quantized hall resistance measurements

被引:4
|
作者
Ricketts, BW [1 ]
Fiander, JR [1 ]
Johnson, HL [1 ]
Small, GW [1 ]
机构
[1] CSIRO, Natl Measurement Lab, Lindfield, NSW 2070, Australia
关键词
impedance measurement; quantized Hall resistance (QHR); resistance measurement;
D O I
10.1109/TIM.2003.810016
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report four-port measurements of quantized Hall resistances (QHRs) over the frequency range of 200 Hz to 2000 kHz. The importance of capacitive current flow from the conducting layer of the QHR device is illustrated by effectively reversing the polarity of the potentials of a split guard layer in close proximity to the QHR device. The frequency dependence of the current coefficients of the quantized Hall resistances have been investigated.
引用
收藏
页码:579 / 583
页数:5
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