Abstract
We report magnetic susceptibility measurements of RB66 (R = Gd, Tb, Ho, Er, and Lu) boron-rich rare earth containing borides down to 50 mK. The data suggest a spin glass low temperature state for RB66 (R = Gd, Tb, Ho, and Er) with the freezing temperatures below 1 K. The magnetic properties appear to be influenced by the anisotropy of the magnetic moments, probably via the crystalline electric field effects.
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Acknowledgements
We thank P.C. Canfield for useful comments. Work at the Ames Laboratory was supported by the US Department of Energy—Basic Energy Sciences under Contract No. DE-AC02-07CH11358. Work of the BSU group was supported by RFBR (Grant 11-02-97-502 r-center-a). SLB was supported in part by the State of Iowa through the Iowa State University.
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Kim, H., Bud’ko, S.L., Tanatar, M.A. et al. Magnetic Properties of RB66 (R = Gd, Tb, Ho, Er, and Lu). J Supercond Nov Magn 25, 2371–2375 (2012). https://doi.org/10.1007/s10948-012-1610-5
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DOI: https://doi.org/10.1007/s10948-012-1610-5