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A Quantum Percolation Model for Magnetoconductance of Granular Metal Films

Published online by Cambridge University Press:  28 February 2011

Zhao-Qing Zhang  and
Ping Sheng
Zhao-Qing Zhang
Affiliation:
Also at Bartol Research Institute, University of Delaware, Newark, DE 19716
Ping Sheng
Affiliation:
Exxon Research & Engineering Co., Route 22 East, Annandale, NJ 08801
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Abstract

A quantum percolation model is introduced to study the magnetoconductance of granular metal films. This model incorporates the granular property of the films and enables us to study the magnetoconductance in the strong scattering regime. Our calculations show a sign change in magnetoconductance as the temperature varies. There also exist oscillations in the magnetoconductance as the magnetic field is increased. Both observations are consistent with some recent experimental data.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 195: Symposium S – Physical Phenomena in Granular Materials , 1990 , 135
Copyright
Copyright © Materials Research Society 1990

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References

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