Single electron transport through individual InAs quantum dots

被引:0
|
作者
Schmidt, KH [1 ]
Versen, M [1 ]
Kunze, U [1 ]
Reuter, D [1 ]
Wieck, AD [1 ]
机构
[1] Ruhr Univ Bochum, D-44780 Bochum, Germany
关键词
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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
Coulomb-blocked electron transport through individual InAs islands embedded in a lithographically defined constriction has been investigated. In contrast to the step like increase of the conductance in a dot-free sample, the characteristic of the point contact devices with dots show well resolved peaks reflecting Coulomb-blocked electron transport through the p-shell of only a view islands. From the gate voltage distance of adjacent tunneling features a Coulomb-Blockade energy of approximate to 10meV could be extracted.
引用
收藏
页码:1087 / 1088
页数:2
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