Distinct roles of the triplicated ZnCl4 tetrahedra in phase soliton formation and residual commensurations in K2ZnCl4

D. K. Oh, Y. M. Kwon, C. E. Lee, S. Y. Jeong

Research output: Contribution to journalArticle

Abstract

The dynamics of the ZnCl4 tetrahedra in the ferroelectric lock-in phase of K2ZnCl4 was studied by means of pulsed 35Cl NQR. (nuclear quadrupole resonance) techniques. From the temperature dependence of the spin-lattice relaxation rate (1/T1Q) for each of the triplicated Cl(1) sites in the lock-in phase, it is suggested that the domain peak in the incommensurate phase arises from the ZnCl4 tetrahedral site with a negligible reorientational motion, whereas the other two sites with an activated reorientational motion lead to the phase solitons.

Original languageEnglish
Pages (from-to)196-201
Number of pages6
JournalEurophysics Letters
Volume50
Issue number2
DOIs
Publication statusPublished - 2000 Apr 11

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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