TITLE

Magnetic properties of crystalline La0.7Ca0.3MnO3 films including a nanoscale disordered phase

AUTHOR(S)
Prokhorov, V. G.; Komashko, V. A.; Svetchnikov, V. L.; Lee, Y. P.; Hyun, Y. H.; Kim, J. B.
PUB. DATE
November 2004
SOURCE
Applied Physics Letters;11/22/2004, Vol. 85 Issue 21, p5028
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The magnetic properties of amorphous, crystalline (with disordered inclusions) and perfectly crystalline La0.7Ca0.3MnO3 thin films have been investigated. It was shown that the amorphous film is a paramagnet with the effective magnetic moment of 4.2 μB/Mn ion. The crystalline film with nanoscale disordered inclusions demonstrates a superposition of the ferromagnetic (corresponding to the crystalline matrix) and the superparamagnetic (corresponding to the nanocrystalline disordered inclusions) contributions in the magnetization. The completely crystalline film undergoes only a ferromagnetic transition.
ACCESSION #
15155531

 

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