Internal friction study on relaxor ferroelectric materials

Feng Yan, P. Bao, J.S. Zhu, Y.N. Wang

Research output: Journal article publicationJournal articleAcademic research

Abstract

We have found internal friction measurement is very sensitive to phase transitions in relaxor ferroelectrics.Internal friction of relaxor ceramics(1-x%)Pb(Mg1/3Nb2/3)O3-x%PbTiO3(PMNTx),(0<x<33) at both low frequency(0.110 Hz) and sonic frequency(1 kHz) has been studied,which clearly exhibits a phase transition close to the freezing temperature of nano-domains.The internal friction peak due to the phase transition shows increasing peak height with the increase of PbTiO3 content.Mechanical response induced by the relaxation of nano-domains has been observed as well,which is consistent with dielectric measurements.
Original languageEnglish
Pages (from-to)378-385
Number of pages8
Journal物理學進展 (Progress in physics)
Volume26
Issue number3 & 4
Publication statusPublished - 2006

Keywords

  • (1-x%)Pb(Mg1/3Nb2/3)O3-x%PbTiO3 ceramics
  • Internal friction and modulus
  • Relaxation of nano-domains
  • Freezing of nano-domains

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