Presentation 2005/5/20
Single Electron Counting on alkanethiol-protected single Au nanodot due to Coulomb blockade by nc-AFM
Yasuo AZUMA, Yutaka MAJIMA,
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Abstract(in English) Change in a single electron on a decanethiol protected Au nanodot on an Au substrate with self-assembled monolayer of octanethiol molecures has been studied by measuring cantilever resonant frequency shift (△f) - sample bias voltage (V) characteristic with a frequency modulation method of noncontact atomic force microscopy (nc-AFM). From an experimental △f-V characteristic measured over an Au nanodot, the response of frequency shift due to a charging-induced electrostatic force (△f_) has been analyzed. In △f_-V curve, both Coulomb gap and a liner relationship between △f_ and V at first Coulomb steps beside the voltage range of Coulomb gap have been observed, which correspond to the change in a single electron onto the single decanethiol protected Au nanodot due to Coulomb blockade phenomena.
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Keyword(in English) nc-AFM / FM method / Au nanodot / Coulomb blockace / single electron counting
Paper # OME2005-16
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Committee OME
Conference Date 2005/5/20(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Single Electron Counting on alkanethiol-protected single Au nanodot due to Coulomb blockade by nc-AFM
Sub Title (in English)
Keyword(1) nc-AFM
Keyword(2) FM method
Keyword(3) Au nanodot
Keyword(4) Coulomb blockace
Keyword(5) single electron counting
1st Author's Name Yasuo AZUMA
1st Author's Affiliation Department of Physical Electronics, Tokyo Institute of Technology()
2nd Author's Name Yutaka MAJIMA
2nd Author's Affiliation Department of Physical Electronics, Tokyo Institute of Technology:SORST Japan Science and Technology Agency
Date 2005/5/20
Paper # OME2005-16
Volume (vol) vol.105
Number (no) 103
Page pp.pp.-
#Pages 5
Date of Issue