Nature of Local Symmetry Violations of Ions in the Magnetic Subsystem of Magnetoplumbite Crystal, According to Raman Scattering Spectroscopy Data

A. S. Mikheykin; A. S. Anokhin; V. I. Torgashev; E. S. Zhukova; B. P. Gorshunov; A. S. Prokhorov; A. A. Bush

doi:10.3103/S1062873818030140

Nature of Local Symmetry Violations of Ions in the Magnetic Subsystem of Magnetoplumbite Crystal, According to Raman Scattering Spectroscopy Data

Autores: Mikheykin A.S.¹^,2, Anokhin A.S.¹, Torgashev V.I.², Zhukova E.S.³^,4, Gorshunov B.P.³^,4, Prokhorov A.S.³^,4, Bush A.A.⁵
Afiliações:
1. Southern Scientific Center
2. Southern Federal University
3. Moscow Institute of Physics and Technology
4. Prokhorov General Physics Institute
5. Moscow Technological University (MIREA)
Edição: Volume 82, Nº 3 (2018)
Páginas: 266-268
Seção: Proceedings of the XXI National Conference on Magnetoelectrics Physics
URL: https://journals.rcsi.science/1062-8738/article/view/185323
DOI: https://doi.org/10.3103/S1062873818030140
ID: 185323

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The structure of an M-type lead hexaferrite (magnetoplumbite) crystal is studied via the diffraction of synchrotron radiation. The crystal model contains two iron ions positions with dynamic disorder. The dynamics of the crystal lattice in the temperature range of 80 to 775 K is studied by Raman scattering. Particular attention is given to the discussing the nature of the local disorder of iron ions in the trigonal bipyramidal environment of oxygen ions.