Magnetoresistance of Co-EuS macroscopic ferrimagnets

Author

Gambino, Richard J. ; Wang, Jinsong ; McGuire, Thomas R.

Author_Institution

Dept. of Mater. Sci. & Eng., State Univ. of New York, Stony Brook, NY, USA

Volume

31

Issue

6

fYear

1995

fDate

11/1/1995 12:00:00 AM

Firstpage

3915

Lastpage

3917

Abstract

The magnetoresistance of Co-EuS is negative at room temperature but becomes positive at 4.2 K. This MR temperature dependence is attributed to interface scattering at the boundary of Co metal with EuS particles when the two magnetic phases are antiferromagnetically exchange coupled and have a compensation point at low temperatures

Keywords

cobalt; europium compounds; exchange interactions (electron); ferrimagnetic materials; ferromagnetic materials; giant magnetoresistance; interface magnetism; magnetic particles; magnetoresistance; negative resistance; surface scattering; 20 C; 4.2 K; Co metal; Co-EuS; Co-EuS macroscopic ferrimagnets; EuS particles; antiferromagnetic exchange coupling; compensation point; ferromagnetic phases; interface scattering; low temperature; magnetic phases; magnetoresistance; negative resistance; positive resistance; room temperature; temperature dependence; Antiferromagnetic materials; Conducting materials; Ferrimagnetic materials; Giant magnetoresistance; Magnetic field measurement; Magnetic materials; Magnetization; Semiconductor materials; Temperature dependence; Temperature distribution;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.489815

Filename

489815