23Na spin-lattice relaxation in powder Rochelle salt

C. Tien, E. V. Charnaya, M. K. Lee, S. V. Baryshnikov

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The temperature dependence of 23Na spin-lattice relaxation in the polycrystalline Rochelle salt was studied by NMR within the range from 235 to 320 K covering both Curie points. The spin-relaxation time t 1 versus temperature curve showed noticeable dips near the phase transitions against the background of the regular decrease in the relaxation time upon increasing temperature. The dips observed were ascribed to critical contributions to sodium spin-lattice relaxation caused by the slowdown of the correlation time for one of two relaxation modes in the Rochelle salt. The 23Na NMR parameters were also measured for the melted Rochelle salt.

Original languageEnglish
Pages (from-to)1326-1329
Number of pages4
JournalPhysics of the Solid State
Issue number7
Publication statusPublished - 2007 Jul

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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