期刊
JOURNAL OF CRYSTAL GROWTH
卷 310, 期 21, 页码 4521-4524出版社
ELSEVIER
DOI: 10.1016/j.jcrysgro.2008.08.016
关键词
Characterization; Substrates; Pulsed laser deposition; Manganites
资金
- [NMP4-CT-2005-517039]
La0.5Ca0.5MnO3 films of various thicknesses were epitaxially grown on (111) SrTiO3 substrates by the pulsed laser deposition technique. Electronic and magnetic properties of the films deviate considerably from the bulk material; enhancement of electrical conductivity and drastically enlarged magnetic moment (relative to bulk value) are observed although the identified orientational relationship as revealed by X-ray diffraction technique indicates tensile epitaxial stain. Transport properties were found to depend strongly on film thickness. These results were discussed in terms of the orientation of the epitaxial strain with respect to the La0.5Ca0.5MnO3 unit cell, distinguishing it from commonly used substrates. (c) 2008 Elsevier B.V. All rights reserved.
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