Study of the ground state properties of LiHoxY1-xF4 using muon spin relaxation

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.105.107203
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TypeArticle
Journal titlePhysical Review Letters
Volume105
Issue10
Pages107203-4–; # of pages: 4
AbstractLiHoxY1-xF4 is an insulator where the magnetic Ho3+ ions have an Ising character and interact mainly through magnetic dipolar fields. We used the muon spin relaxation technique to study the nature of its ground state for samples with x < 0.25. In contrast with some previous works, we did not find canonical spin glass behavior down to 15 mK. Instead, below 300 mK we observed temperature-independent dynamic magnetism characterized by a single correlation time. The 300 mK energy scale corresponds to the Ho3+ hyperfine interaction strength, suggesting that this interaction may be involved in the dynamic behavior of the system.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedYes
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NPARC number16959073
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Record identifier9cd8fa8b-6f3f-4dcf-bee8-f44abe493770
Record created2011-03-03
Record modified2016-05-09
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