Magnetic domains and twin structure of the La[sub 0.7]Sr[sub 0.3]MnO[sub 3] single crystal

Khapikov, A.; Uspenskaya, L.; Bdikin, I.; Mukovskii, Ya.; Karabashev, S.; Shulyaev, D.; Arsenov, A.
October 2000
Applied Physics Letters;10/9/2000, Vol. 77 Issue 15
Academic Journal
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 La[sub 0.7]Sr[sub 0.3]MnO[sub 3] (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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