STM Control of Noninteger Residual Charge Q0 on the Central Electrode of a Double-Tunnel Junction

Zhao Yan Rong; Alejandro Chang; Lesley F. Cohen; E. L. Wolf

doi:10.1109/20.119817

STM Control of Noninteger Residual Charge Q0 on the Central Electrode of a Double-Tunnel Junction

Zhao Yan Rong, Alejandro Chang, Lesley F. Cohen, E. L. Wolf

Applied Physics

Research output: Contribution to journal › Article › peer-review

Abstract

In a voltage-biased mesoscopic double-tunnel junction, the Coulomb threshold Vc is an e-periodic function of Q0, the charge on the inner electrode. In our STM work, a large Au tip images 100 A Ag particles deposited on a cleaved BSCCO crystal substrate. Stable double junctions between the tip, the imaged particle, and the substrate are identified by Coulomb staircase I(V)‘s. The control of Q0 is demonstrated by the variation of tip-particle spacing. The parameterization of such results permits a discussion of Q0 variation mechanisms.

Original language	English (US)
Pages (from-to)	67-70
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	28
Issue number	1
DOIs	https://doi.org/10.1109/20.119817
State	Published - Jan 1992

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/20.119817

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title = "STM Control of Noninteger Residual Charge Q0 on the Central Electrode of a Double-Tunnel Junction",

abstract = "In a voltage-biased mesoscopic double-tunnel junction, the Coulomb threshold Vc is an e-periodic function of Q0, the charge on the inner electrode. In our STM work, a large Au tip images 100 A Ag particles deposited on a cleaved BSCCO crystal substrate. Stable double junctions between the tip, the imaged particle, and the substrate are identified by Coulomb staircase I(V){\textquoteleft}s. The control of Q0 is demonstrated by the variation of tip-particle spacing. The parameterization of such results permits a discussion of Q0 variation mechanisms.",

author = "Rong, {Zhao Yan} and Alejandro Chang and Cohen, {Lesley F.} and Wolf, {E. L.}",

note = "Funding Information: Manuscript received March 22, 1991; revised August 13, 1991. This work was supported in part by the U.S. Office of Naval Research under Research Grant N00014-90-J-1845. The authors are with the Department of Physics, Polytechnic University, Brooklyn, NY 11201. IEEE Log Number 9104920.",

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AU - Cohen, Lesley F.

AU - Wolf, E. L.

N1 - Funding Information: Manuscript received March 22, 1991; revised August 13, 1991. This work was supported in part by the U.S. Office of Naval Research under Research Grant N00014-90-J-1845. The authors are with the Department of Physics, Polytechnic University, Brooklyn, NY 11201. IEEE Log Number 9104920.

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AB - In a voltage-biased mesoscopic double-tunnel junction, the Coulomb threshold Vc is an e-periodic function of Q0, the charge on the inner electrode. In our STM work, a large Au tip images 100 A Ag particles deposited on a cleaved BSCCO crystal substrate. Stable double junctions between the tip, the imaged particle, and the substrate are identified by Coulomb staircase I(V)‘s. The control of Q0 is demonstrated by the variation of tip-particle spacing. The parameterization of such results permits a discussion of Q0 variation mechanisms.

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STM Control of Noninteger Residual Charge Q0 on the Central Electrode of a Double-Tunnel Junction

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