Crystalline electric-field effects in single-crystal HoNi2B2C

B. K. Cho, B. N. Harmon, D. C. Johnston, and P. C. Canfield
Phys. Rev. B 53, 2217 – Published 1 February 1996
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Abstract

By fitting the temperature-dependent magnetic susceptibility of single-crystal Lu0.976Ho0.024Ni2B2C for applied magnetic fields parallel and perpendicular to the c axis, the crystalline electric-field (CEF) parameters Bnm, and the CEF energy levels and eigenstates of Ho3+ were determined. Approximate values of the anisotropic exchange constants between the Ho3+ ions in HoNi2B2C were also estimated. Our CEF parameters were checked by calculating magnetization versus field isotherms and good agreement with experiment was found. The energy-level scheme shows two singlets and a doublet below 10 K and a large energy gap (∼90 K) between these levels and the next excited states. © 1996 The American Physical Society.

  • Received 21 April 1995

DOI:https://doi.org/10.1103/PhysRevB.53.2217

©1996 American Physical Society

Authors & Affiliations

B. K. Cho, B. N. Harmon, D. C. Johnston, and P. C. Canfield

  • Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011

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Issue

Vol. 53, Iss. 5 — 1 February 1996

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