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Magnetic domains and twin structure of the La0.7Sr0.3MnO3 single crystal

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7 Author(s)
Khapikov, A. ; Institute of Solid State Physics, Chernogolovka, Moscow Region, 142432 Russia ; Uspenskaya, L. ; Bdikin, I. ; Mukovskii, Ya.
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Using a magneto-optical indicator film imaging technique and an x-ray topography, we have observed a strong correlation between magnetic and twin structure of a single crystal of La0.7Sr0.3MnO3 (LSMO). The correlation between magnetic and twin domains can be understood in terms of a rhombohedral deformation of the cubic cell of LSMO which is accompanied by an occurrence of a magnetic anisotropy. Our data and analysis suggest that twin domains play a fundamental role in a low-field magnetization behavior and in magnetotransport properties of LSMO. © 2000 American Institute of Physics.

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Applied Physics Letters  (Volume:77 ,  Issue: 15 )