Magnetic State and Phase Composition of Co3C Nanoparticles
- 作者: Mikhalev K.1, Germov A.1, Medvedev E.1, Gerashchenko A.1, Ermakov A.1, Uimin M.1, Novikov S.1, D’yachkova T.2, Tyutyunnik A.2, Zainulin Y.2
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隶属关系:
- Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
- Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences
- 期: 卷 120, 编号 10 (2019)
- 页面: 930-935
- 栏目: Electrical and Magnetic Properties
- URL: https://journals.rcsi.science/0031-918X/article/view/168731
- DOI: https://doi.org/10.1134/S0031918X19100090
- ID: 168731
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详细
Nanoparticles Co3C were prepared using solid-phase synthesis under high pressure. The phase composition of the nanoparticles has been analyzed; the magnetization has been measured and 59Со NMR spectra in a local field have been recorded. It is shown that Co3C is a ferromagnet with the Curie temperature TC = 498(10) K. The hyperfine fields and components of electric field gradient tensor were determined for two nonequivalent Co positions in the carbide. The obtained hyperfine fields correspond to the spin state of Co ions S = 1.
作者简介
K. Mikhalev
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
编辑信件的主要联系方式.
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
A. Germov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
E. Medvedev
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
A. Gerashchenko
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
A. Ermakov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
M. Uimin
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
S. Novikov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
T. D’yachkova
Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620990
A. Tyutyunnik
Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620990
Yu. Zainulin
Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences
Email: mikhalev@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620990