SINGLE-ELECTRON SWITCHING IN A PARALLEL QUANTUM-DOT

被引：154

作者：

HOFMANN, F ^{[1
]}

HEINZEL, T ^{[1
]}

WHARAM, DA ^{[1
]}

KOTTHAUS, JP ^{[1
]}

BOHM, G ^{[1
]}

KLEIN, W ^{[1
]}

TRANKLE, G ^{[1
]}

WEIMANN, G ^{[1
]}

机构：

[1] TECH UNIV MUNICH,WALTER SCHOTTKY INST,D-85748 GARCHING,GERMANY

来源：

PHYSICAL REVIEW B | 1995年 / 51卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.51.13872

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low-temperature conductance measurements have been performed upon a parallel quantum-dot configuration defined in the two-dimensional electron gas of a GaAs-AlxGa1-xAs heterostructure. The observed Coulomb-blockade oscillations of the conducting dot exhibit pronounced periodic shifts as a consequence of the tunable coupling to the nonconducting dot. We show that the transport is essentially determined by the interdot capacitance and that the addition of a single electron to the nonconducting dot can switch the device conductance from a maximum to a Coulomb-blockade minimum. © 1995 The American Physical Society.

引用

页码：13872 / 13875

页数：4

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