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

doi:10.1063/1.2393159

Broadband inelastic light scattering of a relaxor ferroelectric 0.71Pb (Ni_1/3Nb_2/3)O₃-0.29PbTiO₃

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

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41 Citations (Scopus)

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 language	English
Article number	212903
Journal	Applied Physics Letters
Volume	89
Issue number	21
DOIs	https://doi.org/10.1063/1.2393159
Publication status	Published - 2006
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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

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.",

author = "Shinya Tsukada and Yuji Ike and Jun Kano and Tadashi Sekiya and Yoshihito Shimojo and Ruiping Wang and Seiji Kojima",

year = "2006",

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language = "English",

volume = "89",

journal = "Applied Physics Letters",

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T1 - Broadband inelastic light scattering of a relaxor ferroelectric 0.71Pb (Ni1/3Nb2/3)O3-0.29PbTiO3

AU - Tsukada, Shinya

AU - Ike, Yuji

AU - Kano, Jun

AU - Sekiya, Tadashi

AU - Shimojo, Yoshihito

AU - Wang, Ruiping

AU - Kojima, Seiji

PY - 2006

Y1 - 2006

N2 - 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.

AB - 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.

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Broadband inelastic light scattering of a relaxor ferroelectric 0.71Pb (Ni_1/3Nb_2/3)O₃-0.29PbTiO₃

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