Temperature evolution of the optical phonons in Pb(Ni1/3Nb 2/3)O3 single crystals studied by Raman scattering

Jun Kano; Hiroki Taniguchi; Desheng Fu; Mitsuru Itoh; Seiji Kojima

doi:10.1080/00150190802365962

Temperature evolution of the optical phonons in Pb(Ni_1/3Nb _2/3)O₃ single crystals studied by Raman scattering

Jun Kano, Hiroki Taniguchi, Desheng Fu, Mitsuru Itoh, Seiji Kojima

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

Abstract

Raman scattering of lead nickel niobate Pb(Ni_1/3Nb _2/3)O₃ (PNN) single crystals grown by the flux method has been performed to investigate the temperature dependence of the optical phonons of relaxors. Anomaly of the temperature dependence of the Raman intensity at 780 cm^-1 was observed. Polar microregions promote the growth of volume gradually above the Curie temperature (∼170 K), and then freeze around 200 K. From the extrapolation of the temperature dependence of the depolarization ratio, we tried to estimate Burns temperature.

Original language	English
Pages (from-to)	67-72
Number of pages	6
Journal	Ferroelectrics
Volume	367
Issue number	1 PART 1
DOIs	https://doi.org/10.1080/00150190802365962
Publication status	Published - 2008
Externally published	Yes
Event	11th European Meeting on Ferroelectricity, EMF-2007 - Bled, Slovenia Duration: Sep 3 2007 → Sep 7 2007

Keywords

Burns temperature
Polar microregion
Raman scattering
Relaxor

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Temperature evolution of the optical phonons in Pb(Ni1/3Nb 2/3)O3 single crystals studied by Raman scattering",

abstract = "Raman scattering of lead nickel niobate Pb(Ni1/3Nb 2/3)O3 (PNN) single crystals grown by the flux method has been performed to investigate the temperature dependence of the optical phonons of relaxors. Anomaly of the temperature dependence of the Raman intensity at 780 cm-1 was observed. Polar microregions promote the growth of volume gradually above the Curie temperature (∼170 K), and then freeze around 200 K. From the extrapolation of the temperature dependence of the depolarization ratio, we tried to estimate Burns temperature.",

keywords = "Burns temperature, Polar microregion, Raman scattering, Relaxor",

author = "Jun Kano and Hiroki Taniguchi and Desheng Fu and Mitsuru Itoh and Seiji Kojima",

note = "Funding Information: This work was supported in part by Collaborative Research Project of Materials and Structures Laboratory, Tokyo Institute of Technology, and the Murata Science Foundation.; 11th European Meeting on Ferroelectricity, EMF-2007 ; Conference date: 03-09-2007 Through 07-09-2007",

year = "2008",

doi = "10.1080/00150190802365962",

language = "English",

volume = "367",

pages = "67--72",

journal = "Ferroelectrics",

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TY - JOUR

T1 - Temperature evolution of the optical phonons in Pb(Ni1/3Nb 2/3)O3 single crystals studied by Raman scattering

AU - Kano, Jun

AU - Taniguchi, Hiroki

AU - Fu, Desheng

AU - Itoh, Mitsuru

AU - Kojima, Seiji

N1 - Funding Information: This work was supported in part by Collaborative Research Project of Materials and Structures Laboratory, Tokyo Institute of Technology, and the Murata Science Foundation.

PY - 2008

Y1 - 2008

N2 - Raman scattering of lead nickel niobate Pb(Ni1/3Nb 2/3)O3 (PNN) single crystals grown by the flux method has been performed to investigate the temperature dependence of the optical phonons of relaxors. Anomaly of the temperature dependence of the Raman intensity at 780 cm-1 was observed. Polar microregions promote the growth of volume gradually above the Curie temperature (∼170 K), and then freeze around 200 K. From the extrapolation of the temperature dependence of the depolarization ratio, we tried to estimate Burns temperature.

AB - Raman scattering of lead nickel niobate Pb(Ni1/3Nb 2/3)O3 (PNN) single crystals grown by the flux method has been performed to investigate the temperature dependence of the optical phonons of relaxors. Anomaly of the temperature dependence of the Raman intensity at 780 cm-1 was observed. Polar microregions promote the growth of volume gradually above the Curie temperature (∼170 K), and then freeze around 200 K. From the extrapolation of the temperature dependence of the depolarization ratio, we tried to estimate Burns temperature.

KW - Burns temperature

KW - Polar microregion

KW - Raman scattering

KW - Relaxor

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JF - Ferroelectrics

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T2 - 11th European Meeting on Ferroelectricity, EMF-2007

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