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dc.contributor.authorTu, Chi-Shun
dc.contributor.authorChen, L. -F.
dc.contributor.authorSchmidt, V. Hugo
dc.contributor.authorTsai, Chih-Long
dc.identifier.citationC.-S. Tu, L.-F. Chen, V.H. Schmidt, and C.-L. Tsai, “Phases and domain structures in relaxor-based ferroelectric (PbMg1/3Nb2/3O3)0.69(PbTiO3)0.31 single crystal,” Japanese Journal of Applied Physics 40, 4118-4125 (2001). doi: 10.1143/JJAP.40.4118en_US
dc.description.abstractThe Brillouin back-scattering spectra, dielectric permittivities, polarization–electric field (P–E) hysteresis loops and domain structures have been measured as a function of temperature in a relaxor-based ferroelectric single crystal (PbMg1/3Nb2/3O3)0.69(PbTiO3)0.31 (PMN–31%PT). In order of increasing temperature, PMN–31%PT undergoes succes-sive phase transitions: rhombohedral phase (below ∼ 370 K) → coexistence of rhombohedral and tetragonal phases (between ∼ 370 and ∼ 380 K) → tetragonal phase (between ∼ 380 and ∼ 400 K) → coexistence of tetragonal and cubic phases (betwee ∼ 400 and ∼ 420 K) → cubic phase (above ∼ 420 K). An extra ferroelectric anomaly of the dielectric per-mittivity appears at 370 K possibly due to the percolating polar cluster induced by an external electric field. It was found that different individual domain regions have different transition temperatures. This phenomenon suggests an inhomogeneous dis-tribution of Ti4+ concentration in the PMN–31%PT crystal. The dielectric permittivity ε' of PMN–31%PT obeys the empirical relation, ε'm/εγ ( f, T ) = 1 +[T − Tm( f )]'/2δγ2 , above the temperature of permittivity maximum Tm.en_US
dc.description.sponsorshipGrant No. NSC89-2112-M030-006 (R.O.C.); DOD EPSCoR Grant No. N00014-991-0523en_US
dc.rightsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).en_US
dc.titlePhases and domain structures in relaxor-based ferroelectric (PbMg1/3Nb2/3O3)0.69(PbTiO3)0.31 single crystalen_US
mus.citation.journaltitleJapanese Journal of Applied Physicsen_US
mus.identifier.categoryPhysics & Mathematicsen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.universityMontana State University - Bozemanen_US

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