Contactless measurements of the internal capacitance of a Corbino ring in the quantum Hall regime

被引：4

作者：

Jeanneret, B ^{[1
]}

Jeckelmann, B

Hall, BD

机构：

[1] Swiss Fed Off Metrol, CH-3003 Bern, Switzerland

[2] Ind Res Ltd, Measurement Stand Lab, Lower Hutt, New Zealand

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1999年 / 48卷 / 02期

关键词：

capacitance measurement; quantum Hall effect; resistance measurement;

D O I：

10.1109/19.769588

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：

A fully inductive technique has been used to observe the quantum Hall effect without any electrical connection to the two-dimensional electron gas. The ac response of the measuring system is described by a model taking into account the effect of the intrinsic capacitance of the Corbino ring, This internal capacitance is on the order of 100 pF/m for a 1 mm wide sample, a value which is not negligible in the field of ac quantum metrology.

引用

页码：301 / 304

页数：4

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