F. Wakaya, F. Yoshioka, H. Higurashi, S. Iwabuchi, Y. Nagaoka, K. Gamo
{"title":"Controllability of single electron tunneling and change in Coulomb diamond caused by environmental impedance modulation","authors":"F. Wakaya, F. Yoshioka, H. Higurashi, S. Iwabuchi, Y. Nagaoka, K. Gamo","doi":"10.1109/LDS.1998.714541","DOIUrl":null,"url":null,"abstract":"Single-electron-tunneling device with variable environmental impedance (Z-SET) is considered. It is numerically shown that resistive environmental impedance can control the Coulomb gap and capacitive environmental impedance degrade the controllability of Z-SET. It is experimentally observed that the Coulomb gap becomes large as the negative gate voltages to control the environmental resistance becomes large. In order to consider the origin of the observed enlargement of the Coulomb gap. The effect of environmental impedance on the shape of the Coulomb diamond is also discussed.","PeriodicalId":326271,"journal":{"name":"Proceedings. Second International Workshop on Physics and Modeling of Devices Based on Low-Dimensional Structures (Cat. No. 98EX199)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. Second International Workshop on Physics and Modeling of Devices Based on Low-Dimensional Structures (Cat. No. 98EX199)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LDS.1998.714541","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Single-electron-tunneling device with variable environmental impedance (Z-SET) is considered. It is numerically shown that resistive environmental impedance can control the Coulomb gap and capacitive environmental impedance degrade the controllability of Z-SET. It is experimentally observed that the Coulomb gap becomes large as the negative gate voltages to control the environmental resistance becomes large. In order to consider the origin of the observed enlargement of the Coulomb gap. The effect of environmental impedance on the shape of the Coulomb diamond is also discussed.
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