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Anomaly in the Hall Ooefficient of Ag/Cr Superlattices

Published online by Cambridge University Press:  15 February 2011

Hideyuki Sato ,
Tadashi Kumano ,
Takeo Kaneko  and
Ryoichi Yamamoto
Hideyuki Sato
Affiliation:
Dept. of Phys. ,Tokyo Metropolitan Univ., Hachioji City, Tokyo 192-03, Japan
Tadashi Kumano
Affiliation:
Dept. of Phys. ,Tokyo Metropolitan Univ., Hachioji City, Tokyo 192-03, Japan
Takeo Kaneko
Affiliation:
Research center for Advanced Science and Technology, Univ. of Tokyo, Meguro-ku, Tokyo 153, Japan
Ryoichi Yamamoto
Affiliation:
Dept. of Phys. ,Tokyo Metropolitan Univ., Hachioji City, Tokyo 192-03, Japan
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Abstract

The Hall effect on Ag/Cr superlattice system has been investigated. When the Cr layer thickness is changed from 1 monolayer (ML) to 6ML for the same Ag layer thickness of 10 ML, the Hall coefficient (RH) varies anomalously. For 1 ML Cr sample, we obtained RH value close to that of pure Ag as expected. The absolute value of RH is enhanced with increasing Cr layer thickness. After having a negative peak near 3 ML Cr, it decreases at larger Cr thicknesses. The field dependence of the Hall resistivity is linear for all the samples, and there is no sign of long range magnetic order down to 1.5K.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 229: Symposium Q – Structure/Property Relationships for Metal/Metal Interfaces , 1991 , 245
Copyright
Copyright © Materials Research Society 1991

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