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Title: Mossbauer Study Of Yttrium Iron Garnet Epitaxial Films Magnetic Microstructure
Authors: Kotsyubynsky, V.
Moklyak, V. V.
Ostafiychuk, B. K.
Keywords: yttrium iron garnet epitaxial films
effective magnetic field
magnetic moment orientation
electric field gradient
Issue Date: 2014
Publisher: Vasyl Stefanyk Precarpathian National University
Citation: Kotsyubynsky V. O. Mossbauer Study Of Yttrium Iron Garnet Epitaxial Films Magnetic Microstructure / V. O. Kotsyubynsky, V. V. Moklyak, B. K. Ostafiychuk // Journal of Vasyl Stefanyk Precarpathian National University. - 2014. - Vol. 1. - № 1. - P. 81-86.
Abstract: The magnetic microstructure of the yttrium iron garnet epitaxial films surface layer were studied by conversion electronic Mossbauer spectroscopy method. The presence of two magnetically non-equvivalent positions of Fe3+ ions in tetrahedral sites of garnet structure and a paramagnetic phase formed by Fe2+ ions were fixed. Using the model of mixed magnetic and quadrupole interaction by the diagonalization of the nuclear Hamiltonian matrix the information about the spatial orientation of the cation sublattices magnetic moments was obtained and the components of electric field gradient tensor at 57Fe nuclei in different crystal non-equvivalent positions were calculated
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