Magnetic and transport properties of sputtered La0.67Ca0.33MnO3 thin films

Journal Article (1997)
Author(s)

S Freisem (Universiteit Leiden)

A. Brockhoff (Universiteit Leiden)

D. G. De Groot (Vrije Universiteit Amsterdam)

B. Dam (Vrije Universiteit Amsterdam)

J. Aarts (Universiteit Leiden)

Affiliation
External organisation
DOI related publication
https://doi.org/10.1016/S0304-8853(96)00563-X
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Publication Year
1997
Language
English
Affiliation
External organisation
Issue number
1-3
Volume number
165
Pages (from-to)
380-382

Abstract

We report on the magnetic and transport properties of thin films of La0.67Ca0.33MnO3 as a function of annealing temperature, substrate material and film thickness. The films were sputtered from a stoichiometric target with the same nominal composition and were grown epitaxially on SrTiO3 and LaAlO3 substrates. We find a clear correlation between the ferromagnetic ordering temperature TM and the magnitude of the magnetoresistance ratio (MR ratio). Also, TM appears to be extremely sensitive to the preparation conditions: within the one composition investigated, TM could be made to vary between 125 K and 255 K.

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