High Temperature Limit of Weak Localization in Thin Silver Films

Chin. Phys. Lett.

1994, Vol. 11

Issue (11): 701-704 DOI:

Original Articles

High Temperature Limit of Weak Localization in Thin Silver Films

LI Guohong;WANG Min;CHEN Mingling;LIU Guoliang;LIU Sangtian, WANG Shiguang;YAN Shousheng

Department of Physics & Mesoscopic Physics Laboratory, Peking University, Beijing 100871

Cite this article:

LI Guohong, WANG Min, CHEN Mingling et al 1994 Chin. Phys. Lett. 11 701-704

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Abstract The behavior of magnetoresistance in thin silver films was investigated from 1.8 up to 104 K. Weak localization effect, manifested by negative magnetoresistance, remains until 88 K in magnetic fields below 2T. Experimental results indicate that weak localization theory for two-dimensional disordercd systems is applicable even when the phase relaxation length L is a few times longer than the elastic mean free path l, provided L is larger than the thickness of films. The obtained phase relaxation time τ obeys 1/T^2.6 law.

Keywords: 73.20.Fz 73.61.At

Published: 01 November 1994

PACS:	73.20.Fz	(Weak or Anderson localization)
	73.61.At	(Metal and metallic alloys)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1994/V11/I11/0701

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	LI Guohong
	WANG Min
	CHEN Mingling
	LIU Guoliang
	LIU Sangtian
	WANG Shiguang
	YAN Shousheng

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