TITLE

Textured nano-agglomerates embedded in the thin film of La0.8Sr0.2MnO3

AUTHOR(S)
Zhu, Y.L.; Wu, B.; Ma, X.L.; Li, D.X.; Lu, H.B.; Chen, Z.H.; Yang, G.Z.
PUB. DATE
October 2004
SOURCE
Applied Physics Letters;10/18/2004, Vol. 85 Issue 16, p3438
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have observed nano-scale chemical composition separation in the thin film of La0.8Sr0.2MnO3 by means of high-angle-angular-dark-field imaging, elemental mapping, and composition line-scanning in a transmission electron microscope. It is found that highly dense and dimensionally uniform nano-agglomerates are embedded in the film. The ratio of Mn/La in the nano-agglomerates is fluctuated and generally much higher than that in their surrounding medium. Such compositional inhomogeneities result in a textured microstructure, which is one of the most important parameters for tunning electronic properties in the colossal magnetoresistance oxides.
ACCESSION #
14803334

 

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