Low-temperature dynamic freezing and the fragility of ordering in Tb 2Sn2O7

M. L. Dahlberg, M. J. Matthews, P. Jiramongkolchai, R. J. Cava, P. Schiffer

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17 Scopus citations


We have probed the low-temperature magnetic behavior of the ordered spin-ice material Tb2Sn2O7 through ac magnetic susceptibility measurements of both the pure material and samples with small percentages of Ti substituted on the Sn sublattice. We observe a clear signature for the previously reported ordering transition at TC=850 mK, as well as evidence for dynamic freezing at temperatures well below TC, confirming the persistence of significant magnetic fluctuations deep in the spin-ordered regime. The long-range-ordering transition was completely suppressed with as little as 5% Ti for Sn substitution, and 10% Ti substitution resulted in a spin-glass-like spin freezing transition near 250 mK. The results demonstrate that the long-range magnetic ordering is surprisingly fragile in this system.

Original languageEnglish (US)
Article number140410
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number14
StatePublished - Apr 25 2011

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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