ADDITIVITY OF THE QUANTIZED CONDUCTANCE OF MULTIPLE PARALLEL QUANTUM POINT CONTACTS

被引:13
作者
SCHMIDT, PE
OKADA, M
KOSEMURA, K
机构
[1] Fujitsu Laboratories Ltd.
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1991年 / 30卷 / 11B期
关键词
QUANTIZED CONDUCTANCE; QUANTUM POINT CONTACTS; ELECTRON BEAM LITHOGRAPHY;
D O I
10.1143/JJAP.30.L1921
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report on the first direct observation of the additivity of the quantized conductance for multiple parallel quantum point contacts. We have studied from 1 to 4 parallel quantum point contacts and find that the total conductance can be written in the form (2e2N(L)N(QPC)/h) as a function of the applied gate voltage, where N(QPC) is the number of parallel quantum point contacts. The processing of multiple parallel quantum point structures is also described.
引用
收藏
页码:L1921 / L1923
页数:3
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