期刊
APPLIED PHYSICS LETTERS
卷 76, 期 17, 页码 2421-2423出版社
AMER INST PHYSICS
DOI: 10.1063/1.126363
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Effects of lattice strain on magnetic behavior of epitaxial La0.67Sr0.33MnO3 thin films grown by 90 degrees off-axis sputtering have been studied. The size of epitaxial strain was varied using four different substrates, i.e., (001) LaAlO3, (001) SrTiO3, (001) La0.3Sr0.7Al0.65Ta0.35O9, and (110) NdGaO3. The observed magnetism of coherent epitaxial films grown on these substrates, particularly anisotropy and Curie temperature, exhibit strong correlations with lattice strains. Spin reorientation transitions have been observed. The dependence of Curie temperature on the bulk and Jahn-Teller strains has been determined. (C) 2000 American Institute of Physics. [S0003-6951(00)03217-4].
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