Evidence for spin liquid ground state in SrDy2O4 frustrated magnet probed by μsR

N. Gauthier, B. Prévost, A. Amato, C. Baines, V. Pomjakushin, A. D. Bianchi, R. J. Cava, M. Kenzelmann

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Abstract

Muon spin relaxation (μSR) measurements were carried out on SrDy2O4, a frustrated magnet featuring short range magnetic correlations at low temperatures. Zero-field muon spin depolarization measurements demonstrate that fast magnetic fluctuations are present from T = 300 K down to 20 mK. The coexistence of short range magnetic correlations and fluctuations at T = 20 mK indicates that SrDy2O4 features a spin liquid ground state. Large longitudinal fields affect weakly the muon spin depolarization, also suggesting the presence of fast fluctuations. For a longitudinal field of μ0H = 2 T, a non-relaxing asymmetry contribution appears below T = 6 K, indicating considerable slowing down of the magnetic fluctuations as field-induced magnetically-ordered phases are approached.

Original languageEnglish (US)
Article number012014
JournalJournal of Physics: Conference Series
Volume828
Issue number1
DOIs
StatePublished - Apr 20 2017
Event8th International Conference on Highly Frustrated Magnetism 2016, HFM 2016 - Taipei, Taiwan, Province of China
Duration: Sep 7 2016Sep 11 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Gauthier, N., Prévost, B., Amato, A., Baines, C., Pomjakushin, V., Bianchi, A. D., Cava, R. J., & Kenzelmann, M. (2017). Evidence for spin liquid ground state in SrDy2O4 frustrated magnet probed by μsR. Journal of Physics: Conference Series, 828(1), [012014]. https://doi.org/10.1088/1742-6596/828/1/012014