Long-time relaxation of the dielectric response in lead magnoniobate

E. V. Colla, E. Yu Koroleva, N. M. Okuneva, S. B. Vakhrushev

Research output: Contribution to journalArticlepeer-review

Abstract

We measured the time dependencies of the dielectric permittivity of a single crystal lead magnoniobate in the zero-field-cooled regime. The logarithmic decay of the dielectric response was observed in the glassy phase. We measured the time τ from the moment of the field application for the phase transition from the glasslike to the field-induced ferroelectric state to take place, at temperatures below 220 K. The transition is accompanied by the emerging of the even harmonics of the permittivity. It is shown that lnτ depends linearly on both the inverse temperature and the inverse applied field strength.

Original languageEnglish (US)
Pages (from-to)1681-1684
Number of pages4
JournalPhysical review letters
Volume74
Issue number9
DOIs
StatePublished - 1995
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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