2004 Fiscal Year Final Research Report Summary
A new blockade mechanism in q semiconductor quantum dot owing to nano-electro mechanical effects
| Project/Area Number |
15510109
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Microdevices/Nanodevices
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| Research Institution | Hokkaido University |
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Principal Investigator |
NISHIGUCHI Norihiko Hokkaido University, Graduate School of Engineering, Associate Professor, 大学院・工学研究科, 助教授 (40175518)
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| Co-Investigator(Kenkyū-buntansha) |
ASANO Yasuhiro Hokkaido University, Graduate School of Engineering, Instructor, 大学院・工学研究科, 助手 (20271637)
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| Project Period (FY) |
2003 – 2004
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| Keywords | Nanoelectro mechanical systems / single electron transistor / deformation blockade |
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| Research Abstract |
A blockade phenomenon for electron transport in a freely suspended single-electron transistor 〜SET! is predicted. Voltages applied for its operation induce electromechanical forces acting on the SET, giving rise to structural deformation and collapse over a critical voltage. The electric characteristics become sensitive to charge fluctuations on the SET at the onset of the structural instability, leading to changes in the electrical characteristics that hinder electron transport through the SET around the zero-bias-voltage region.
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