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Preparation and Magnetoresistance of Lanthanum Manganites and Silver Chalcogenide Thin Films

Published online by Cambridge University Press:  16 February 2011

Klaus-H. Dahmen ,
Ilya S. Chuprakov ,
Ed S. Gillman  and
M. Ming Li
Klaus-H. Dahmen
Affiliation:
Department of Chemistry and MARTECH, Florida State University, Tallahassee, FL 32306
Ilya S. Chuprakov
Affiliation:
Department of Chemistry and MARTECH, Florida State University, Tallahassee, FL 32306
Ed S. Gillman
Affiliation:
Department of Chemistry and MARTECH, Florida State University, Tallahassee, FL 32306
M. Ming Li
Affiliation:
Department of Chemistry and MARTECH, Florida State University, Tallahassee, FL 32306
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Abstract

The effect of texture and orientation on the resistance (0T and 6T) and magnetoresistance (MR) of Lal-xCaxMnO3 (LCMO) and Ag2Te thin films on various substrates has been investigated. Similar features were found in the MR dependence of thin films of these compounds despite the fact that they belong to different types of MR materials. Epitaxial or strongly oriented films exhibit a peaked MR behavior while for polycrystalline films this curve does not have sharp features. Sign reversal effect of MR was found also in thin films of Ag2Te. MR changes from positive at transverse field-,current orientation to negative at parallel orientation.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 547: Symposium DD – Solid-State Chemistry of Inorganic Materials II , 1998 , 39
Copyright
Copyright © Materials Research Society 1999

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