Structure, magnetic, and electrical properties of bismuth niobates doped with d-elements: XIII. State of iron atoms in the Bi3Nb1–xFexO7–δ solid solutions
- Авторы: Chezhina N.1, Korolev D.1, Fedorova A.1, Zhuk N.2, Butin V.2, Lutoev V.3, Makeev B.3, Shevchuk S.3, Nizovtsev A.4
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Учреждения:
- St. Petersburg State University
- Syktyvkar State University
- Institute of Geology, Komi Scientific Center, Ural Branch
- Institute of Biology, Komi Scientific Center, Ural Branch
- Выпуск: Том 86, № 12 (2016)
- Страницы: 2575-2580
- Раздел: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/216649
- DOI: https://doi.org/10.1134/S107036321612001X
- ID: 216649
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Аннотация
From the data of magnetochemical study and ESR spectra of samples of the Bi3Nb1–xFexO7–δ (х ≤ 0.06) solid solutions iron atoms in the solid solutions of cubic modification of bismuth niobate were found to be located as Fe(III) monomers and exchange-bonded Fe(III)–O–Fe(III) dimers with anti- and ferromagnetic exchange types. The exchange parameters and the distribution of monomers and dimers over the solid solution were calculated as functions of the paramagnetic atom fraction.
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Об авторах
N. Chezhina
St. Petersburg State University
Автор, ответственный за переписку.
Email: n.chezhina@spbu.ru
Россия, Universitetskaya nab. 7–9, St. Petersburg, 199034
D. Korolev
St. Petersburg State University
Email: n.chezhina@spbu.ru
Россия, Universitetskaya nab. 7–9, St. Petersburg, 199034
A. Fedorova
St. Petersburg State University
Email: n.chezhina@spbu.ru
Россия, Universitetskaya nab. 7–9, St. Petersburg, 199034
N. Zhuk
Syktyvkar State University
Email: n.chezhina@spbu.ru
Россия, Syktyvkar
V. Butin
Syktyvkar State University
Email: n.chezhina@spbu.ru
Россия, Syktyvkar
V. Lutoev
Institute of Geology, Komi Scientific Center, Ural Branch
Email: n.chezhina@spbu.ru
Россия, Syktyvkar
B. Makeev
Institute of Geology, Komi Scientific Center, Ural Branch
Email: n.chezhina@spbu.ru
Россия, Syktyvkar
S. Shevchuk
Institute of Geology, Komi Scientific Center, Ural Branch
Email: n.chezhina@spbu.ru
Россия, Syktyvkar
A. Nizovtsev
Institute of Biology, Komi Scientific Center, Ural Branch
Email: n.chezhina@spbu.ru
Россия, Syktyvkar