1H NMR-75As NQR cross relaxation study of ferroelastic TlH2AsO4

C. E. Lee, C. H. Lee, K. W. Lee, E. M. Lee, J. Y. Choi, J. Kim

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Abstract

The ferroelastic phase of TlH2AsO4 (TDA) was investigated by means of 1H NMR at a Larmor frequency where 1H NMR-75As NQR cross relaxation takes place. The spin-lattice relaxation was well fitted by a stretched-exponential form, M(t)=M0[1-exp[-(t/T1)1-n]]. The spin-lattice relaxation time (T1) exhibited a prominent thermal hysteresis, which is attributed to a glassy nature associated with the ferroelasticity.

Original languageEnglish
Pages (from-to)283-286
Number of pages4
JournalSolid State Communications
Volume118
Issue number6
DOIs
Publication statusPublished - 2001 May 11

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Keywords

  • A. Ferroelectrics
  • D. Phase transitions
  • E. Nuclear resonances

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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