Low-temperature spin freezing in the Dy2Ti2O7 spin ice

J. Snyder, B. G. Ueland, J. S. Slusky, H. Karunadasa, R. J. Cava, P. Schiffer

Research output: Contribution to journalArticle

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Abstract

We report a study of the low temperature bulk magnetic properties of the spin ice compound Dy2Ti2O7 with particular attention to the (T < 4K) spin freezing transition. While this transition is superficially similar to that in a spin glass, there are important qualitative differences from spin glass behavior: the freezing temperature increases slightly with applied magnetic field, and the distribution of spin relaxation times remains extremely narrow down to the lowest temperatures. Furthermore, the characteristic spin relaxation time increases faster than exponentially down to the lowest temperatures studied. These results indicate that spin-freezing in spin ice materials represents a novel form of magnetic glassiness associated with the unusual nature of geometrical frustration in these materials.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume69
Issue number6
DOIs
StatePublished - Feb 18 2004

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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