Magnetic phase diagrams of the Tm2Fe17–H system


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Abstract

The compound Tm2Fe17, the only one among R2Fe17 (where R is a rare earth metal), exhibits uniaxial magnetic anisotropy at cryogenic temperatures. Its Curie temperature is close to room temperature, TC = 295 K. Magnetic phase diagrams for the Tm2Fe17–H system have been constructed on the basis of measuring the temperature and field dependences of magnetization performed for different crystallographic directions of single-crystalline samples of Tm2Fe17 and its hydrides Tm2Fe17Hx (x = 1, 2, 3, 4). It has been found that the hydrogen atoms, located in the interstices of the crystal lattice of this compound, have a significant effect on both its Curie temperature and the type of magnetic anisotropy.

About the authors

G. S. Burkhanov

Baikov Institute of Metallurgy and Materials Science

Email: teresh@imet.ac.ru
Russian Federation, Leninskii pr. 49, Moscow, 119991

I. S. Tereshina

Baikov Institute of Metallurgy and Materials Science; Moscow State University; International Laboratory of High Magnetic Fields and Low Temperatures

Email: teresh@imet.ac.ru
Russian Federation, Leninskii pr. 49, Moscow, 119991; Moscow, 119991; ul. Prochnika Gajowicka 95, Wroclaw, PL-53529

M. A. Paukov

Karlov University

Email: teresh@imet.ac.ru
Czech Republic, Ovocný trh. 5, Prague 1, 116 36

I. A. Pelevin

Baikov Institute of Metallurgy and Materials Science; International Laboratory of High Magnetic Fields and Low Temperatures

Email: teresh@imet.ac.ru
Russian Federation, Leninskii pr. 49, Moscow, 119991; ul. Prochnika Gajowicka 95, Wroclaw, PL-53529

S. A. Nikitin

Moscow State University

Email: teresh@imet.ac.ru
Russian Federation, Moscow, 119991

R. Bezdushnyi

Sofia University “St. Kliment Ohridski,”

Email: teresh@imet.ac.ru
Bulgaria, blvd. Tzar Osvoboditel’ 15, Sofia, 1504

R. Damianova

University of Forestry

Email: teresh@imet.ac.ru
Bulgaria, ul. Klimenta Ohridskogo 10, Sofia, 1756

E. A. Tereshina

Institute of Physics

Author for correspondence.
Email: teresh@imet.ac.ru
Czech Republic, Na Slovance 1999/2, Praha 8, Prague, 182 21

H. Drulis

Institute of Low Temperatures and Structural Investigations

Email: teresh@imet.ac.ru
Poland, Wroclaw

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