Broadband inelastic light scattering of a relaxor ferroelectric 0.71Pb (Ni1/3Nb2/3)O3-0.29PbTiO3

Shinya Tsukada, Yuji Ike, Jun Kano, Tadashi Sekiya, Yoshihito Shimojo, Ruiping Wang, Seiji Kojima

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Abstract

Brillouin and Raman scatterings of a 0.71Pb (Ni13 Nb23) O3 -0.29PbTi O3 single crystal have been measured to investigate broadband inelastic spectra. The two different central peaks related to fast and slow relaxation processes have been observed separately. These two processes are attributed to the thermally activated switching of polarization in polar nanoregions. By the analysis of modified superparaelectric model, the activation energies of fast and slow relaxation processes are determined to be 3.66× 103 and 4.31× 102 K, respectively. The fast process with the lower activation energy probably originated from 180° switching, whereas the slow one with the higher energy from non-180° switching.

Original languageEnglish
Article number212903
JournalApplied Physics Letters
Volume89
Issue number21
DOIs
Publication statusPublished - 2006
Externally publishedYes

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inelastic scattering
light scattering
broadband
activation energy
Raman spectra
single crystals
polarization
scattering
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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Broadband inelastic light scattering of a relaxor ferroelectric 0.71Pb (Ni1/3Nb2/3)O3-0.29PbTiO3. / Tsukada, Shinya; Ike, Yuji; Kano, Jun; Sekiya, Tadashi; Shimojo, Yoshihito; Wang, Ruiping; Kojima, Seiji.

In: Applied Physics Letters, Vol. 89, No. 21, 212903, 2006.

Research output: Contribution to journalArticle

Tsukada, Shinya ; Ike, Yuji ; Kano, Jun ; Sekiya, Tadashi ; Shimojo, Yoshihito ; Wang, Ruiping ; Kojima, Seiji. / Broadband inelastic light scattering of a relaxor ferroelectric 0.71Pb (Ni1/3Nb2/3)O3-0.29PbTiO3. In: Applied Physics Letters. 2006 ; Vol. 89, No. 21.
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AU - Kano, Jun

AU - Sekiya, Tadashi

AU - Shimojo, Yoshihito

AU - Wang, Ruiping

AU - Kojima, Seiji

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