Low energy spin dynamics in the spin ice Ho 2Sn 2O 7

G. Ehlers, A. Huq, S. O. Diallo, C. Adriano, K. C. Rule, A. L. Cornelius, P. Fouquet, P. G. Pagliuso, J. S. Gardner

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Abstract

The magnetic properties of Ho 2Sn 2O 7have been investigated and compared to other spin ice compounds. Although the lattice has expanded by 3% relative to the better studied Ho 2Ti 2O 7spin ice, no significant changes were observed in the high temperature properties, T20K. As the temperature is lowered and correlations develop, Ho 2Sn 2O 7enters its quantum phase at a slightly higher temperature than Ho 2Ti 2O 7and is more antiferromagnetic in character. Below 80K a weak inelastic mode associated with the holmium nuclear spin system has been measured. The hyperfine field at the holmium nucleus was found to be 700T.

Original languageEnglish
Article number076005
JournalJournal of Physics Condensed Matter
Volume24
Issue number7
DOIs
StatePublished - Feb 22 2012

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