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2004 Fiscal Year Final Research Report Summary

A new blockade mechanism in q semiconductor quantum dot owing to nano-electro mechanical effects

Research Project

Project/Area Number 15510109
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Microdevices/Nanodevices
Research InstitutionHokkaido University

Principal Investigator

NISHIGUCHI Norihiko  Hokkaido University, Graduate School of Engineering, Associate Professor, 大学院・工学研究科, 助教授 (40175518)

Co-Investigator(Kenkyū-buntansha) ASANO Yasuhiro  Hokkaido University, Graduate School of Engineering, Instructor, 大学院・工学研究科, 助手 (20271637)
Project Period (FY) 2003 – 2004
KeywordsNanoelectro mechanical systems / single electron transistor / deformation blockade
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.

  • Research Products

    (6 results)

All 2005 2004 2003

All Journal Article (5 results) Book (1 results)

  • [Journal Article] Electron transport and phonons in quantum wires2005

    • Author(s)
      N.Nishiguchi
    • Journal Title

      Handbook of Semiconductor Nanostructures and Devices (edited by A.A.Balandin et al.)(The American Scientific Publishers)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Structural instability and tunable vibration frequency of an electromechanical resonator2004

    • Author(s)
      N.Nishiguchi
    • Journal Title

      physica status solidi (c) 1

      Pages: 2605-2608

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Structural instability and tunable vibration frequency of an electromechanical resonator2004

    • Author(s)
      N.Nishiguchi
    • Journal Title

      physica status solidi (c) 1/11

      Pages: 2605-2608

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Elastic deformation blockade in a single-electron transistor2003

    • Author(s)
      N.Nishiguchi
    • Journal Title

      Physical Review B 68

      Pages: 121305(1)-121305(4)

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Elastic deformation blockade in a single-electron transistor2003

    • Author(s)
      N.Nishiguchi
    • Journal Title

      Physical Review B68

      Pages: 121305(1)-121305(4)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Book] Handbook of Semiconductor Nanostructures and Devices (edited by A.A.Balandin et al.)2005

    • Author(s)
      N.Nishiguchi
    • Publisher
      The American Scientific Publishers (in press)
    • Description
      「研究成果報告書概要(和文)」より

URL: 

Published: 2006-07-11  

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