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Type: Artigo de periódico
Title: Low energy spin dynamics in the spin ice Ho2Sn2O7
Author: Ehlers, G
Huq, A
Diallo, SO
Adriano, C
Rule, KC
Cornelius, AL
Fouquet, P
Pagliuso, PG
Gardner, JS
Abstract: The magnetic properties of Ho2Sn2O7 have been investigated and compared to other spin ice compounds. Although the lattice has expanded by 3% relative to the better studied Ho2Ti2O7 spin ice, no significant changes were observed in the high temperature properties, T greater than or similar to 20 K. As the temperature is lowered and correlations develop, Ho2Sn2O7 enters its quantum phase at a slightly higher temperature than Ho2Ti2O7 and is more antiferromagnetic in character. Below 80 K 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 approximate to 700 T.
Country: Inglaterra
Editor: Iop Publishing Ltd
Rights: fechado
Identifier DOI: 10.1088/0953-8984/24/7/076005
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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