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Physics of the Solid State

, Volume 60, Issue 12, pp 2517–2523 | Cite as

Magnetic Properties of Hydrides of RNi1 – xSix Compounds (R = Dy, Gd, x = 0.05, 0.02)

  • S. A. LushnikovEmail author
  • I. S. Tereshina
  • V. N. Verbetskii
MAGNETISM
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Abstract

The magnetic properties of intermetallic compounds GdNi0.98Si0.02 and DyNi0.95Si0.05 and hydrides based on them have been studied. It is found that a partial substitution of Si atoms for Ni atoms does not cause significant changes in the magnetic characteristics such as the Curie temperature. At the same time, incorporation of hydrogen into the crystal lattice of the GdNi0.98Si0.02 and DyNi0.95Si0.05 compounds leads to significant decrease in the Curie temperature, attenuation of exchange interactions due to significant increase in the unit cell volume (more than 20%), and an increase in the distances between magnetoactive ions. The magnetism of the initial and also hydrogenated compositions are mainly determined by the contribution from the subsystem of the rare-earth ions.

Notes

ACKNOWLEDGMENTS

This work was supported by the Russian Foundation for Basic Research, project no. 16-03-00639.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • S. A. Lushnikov
    • 1
    Email author
  • I. S. Tereshina
    • 1
  • V. N. Verbetskii
    • 1
  1. 1. Moscow State UniversityMoscowRussia

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