Structure, Magnetic and Magnetocaloric Properties of Nonstoichiometric TbCo2Mnx Compounds


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Аннотация

TbCo2Mnx (x ≤ 1) alloys were synthesized and their crystal structure, heat capacity, magnetic and magnetocaloric properties were studied. Single-phase compounds with the MgCu2-type structure were formed at х < 0.4. In alloys with х > 0.4, additional phases with the PuNi3- and Th6Mn23-type structures form. It was shown that there is a substantial increase in the Curie temperature and magnetic moment of 3d‑metal sublattice of the nonstoichiometric compounds when compared to those of the TbCo2 binary compound. The magnetocaloric effect of single- and multiphase alloys were estimated based on magnetic and heat capacity measurements.

Об авторах

A. Inishev

Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin, Institute of Natural Sciences and Mathematics

Автор, ответственный за переписку.
Email: inishev@imp.uran.ru
Россия, Ekaterinburg, 620108; Ekaterinburg, 620002

E. Gerasimov

Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin, Institute of Natural Sciences and Mathematics

Email: inishev@imp.uran.ru
Россия, Ekaterinburg, 620108; Ekaterinburg, 620002

N. Mushnikov

Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin, Institute of Natural Sciences and Mathematics

Email: inishev@imp.uran.ru
Россия, Ekaterinburg, 620108; Ekaterinburg, 620002

P. Terent’ev

Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin, Institute of Natural Sciences and Mathematics

Email: inishev@imp.uran.ru
Россия, Ekaterinburg, 620108; Ekaterinburg, 620002

V. Gaviko

Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin, Institute of Natural Sciences and Mathematics

Email: inishev@imp.uran.ru
Россия, Ekaterinburg, 620108; Ekaterinburg, 620002


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