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Magnetic properties of the rare-earth ferroborate SmFe3(BO3)(4)

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS Volume: 116 Issue: 5 Pages: 800-805
  • A. A. Demidov,
  • D. V. Volkov,
  • I. A. Gudim,
  • E. V. Eremein,
  • V. L. Temerov

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS Volume: 116 Issue: 5 Pages: 800-805

Abstract: The magnetic properties of trigonal antiferromagnet SmFe3(BO3)4 are studied experimentally and theoretically. The measured characteristics are considered in terms of a theoretical approach based on the molecular field approximation and a crystal field model for a rare-earth ion. The temperature dependences of the initial magnetic susceptibility and the field and temperature dependences of magnetization in fields up to 5 T are described, and the anomaly in the magnetization curve for B ⊥ c near 1 T, which points to a first-order phase transition, is analyzed.

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