Mössbauer Studies and the Microwave Properties of Al 3+ - and In 3+ -Substituted Barium Hexaferrites

A. V. Trukhanov; V. G. Kostishin; V. V. Korovushkin; L. V. Panina; S. V. Trukhanov; V. A. Turchenko; I. S. Polyakov; R. Kh. Rakhmatullin; G. A. Filatov; T. I. Zubar’; V. V. Oleinik; E. S. Yakovenko; L. Yu. Matsui; L. L. Vovchenko; V. L. Launets; E. L. Trukhanova

doi:10.1134/S1063783418090342

Mössbauer Studies and the Microwave Properties of Al³⁺- and In³⁺-Substituted Barium Hexaferrites

作者: Trukhanov A.V.¹^,2, Kostishin V.G.², Korovushkin V.V.², Panina L.V.², Trukhanov S.V.¹, Turchenko V.A.³, Polyakov I.S.², Rakhmatullin R.K.², Filatov G.A.², Zubar’ T.I.⁴, Oleinik V.V.⁵, Yakovenko E.S.⁵, Matsui L.Y.⁵, Vovchenko L.L.⁵, Launets V.L.⁵, Trukhanova E.L.¹^,2
隶属关系:
1. Scientific and Practical Materials Research Centre
2. National University of Science and Technology MISiS
3. Frank Neutron Physics Laboratory
4. A.V. Lykov Heat and Mass Transfer Institute of National Academy of Sciences of Belarus
5. Taras Shevchenko National University of Kyiv
期: 卷 60, 编号 9 (2018)
页面: 1768-1777
栏目: Magnetism
URL: https://ogarev-online.ru/1063-7834/article/view/203844
DOI: https://doi.org/10.1134/S1063783418090342
ID: 203844

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The correlation of the chemical composition, the structure, and the microwave characteristic of solid solutions of the BaFe_{12 – x}D_xO₁₉ (0.1 ≤ x ≤ 1.2) barium hexaferrite substituted with diamagnetic Al³⁺ and In³⁺ ions has been studied. The precise data on the crystal structure have been obtained by powder neutron diffraction using a high-resolution Fourier diffractometer (Dubna, JINR). The data on the distribution of the diamagnetic substituting ions in the hexaferrite structure have been obtained by Mössbauer spectroscopy. The microwave properties (the transmittance and the reflectance) have been studied in the frequency range 20–65 GHz and in external magnetic fields to 8 kOe. It is found that the transmission spectra are characterized by a peak that corresponds to the resonant frequency of the electromagnetic energy absorption, which is due to the ferromagnetic resonance phenomenon. The correlation of the chemical composition, the features of the ion distribution in the structure, and the electromagnetic properties has been revealed. It is shown that external magnetic fields shift the absorption peak of electromagnetic radiation to higher frequencies due to an increase in the magnetocrystal anisotropy. The results enable the conclusion that the features of the intrasublattice interactions and the electromagnetic properties should be explained using the phenomenological Goodenough–Kanamori model.

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Mössbauer Studies and the Microwave Properties of Al³⁺- and In³⁺-Substituted Barium Hexaferrites

全文:

详细

作者简介

A. Trukhanov

V. Kostishin

V. Korovushkin

L. Panina

S. Trukhanov

V. Turchenko

I. Polyakov

R. Rakhmatullin

G. Filatov

T. Zubar’

V. Oleinik

E. Yakovenko

L. Matsui

L. Vovchenko

V. Launets

E. Trukhanova

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Mössbauer Studies and the Microwave Properties of Al3+- and In3+-Substituted Barium Hexaferrites

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Mössbauer Studies and the Microwave Properties of Al³⁺- and In³⁺-Substituted Barium Hexaferrites