Study of ferroelectric phase transitions by electric field perturbation of nuclear quadrupole resonance spectra

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Abstract

Theoretical aspects of electrically induced shifts of nuclear quadrupole resonance spectra are considered at ferroelectric phase transitions. The displacive and order-disorder types of phase transitions are analysed. Calculations and experimental data for the low-temperature phase transition in pyrargyrite (Ag3SbS3 show good agreement. It is confirmed that the above phase transition is of the order-disorder type. The phase transition is shown to be connected with the ordering of the silver ions in the double-minimum potential of the ionic bond S-Ag-S.

Original languageEnglish
Pages (from-to)71-79
Number of pages9
JournalPhysica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics
Volume142
Issue number1
DOIs
StatePublished - Sep 1986
Externally publishedYes

ASJC Scopus subject areas

  • Engineering (all)

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