Characterization of dielectric property of nanosized (Pb 0.7Sr0.3)TiO3 powders studied by Raman scattering

Jun Kano; Shinya Tsukada; Fan Zhang; Tomoaki Karaki; Masatoshi Adachi; Seiji Kojima

doi:10.1143/JJAP.46.7148

Characterization of dielectric property of nanosized (Pb _0.7Sr_0.3)TiO₃ powders studied by Raman scattering

Jun Kano, Shinya Tsukada, Fan Zhang, Tomoaki Karaki, Masatoshi Adachi, Seiji Kojima

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Nanosized perovskite (Pb_0.7Sr_0.3)TiO₃ powders have been studied by Raman scattering to characterize the dielectric property derived from the particle size effect. All the optical phonons were assigned while referring to previously reported Raman spectra of PbTiO ₃. The frequencies of the soft E( 1 TO) and A₁(1TO) modes show a slight hardening with a decrease in particle size. The size dependences of the clamped dielectric constants along the a and c axes characterized by the effect of the phonon confinement are evaluated by the Lyddane-Sachs-Teller relation using the observed frequencies of polar modes with E(x,y) and A ₁(z) symmetries, respectively.

Original language	English
Pages (from-to)	7148-7150
Number of pages	3
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	46
Issue number	10 B
DOIs	https://doi.org/10.1143/JJAP.46.7148
Publication status	Published - Oct 22 2007
Externally published	Yes

Keywords

Lead strontium titanate
Lyddane-Sachs-Teller relation
Nanosized powder
Phonon confinement
Raman scattering

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

Access to Document

10.1143/JJAP.46.7148

Cite this

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title = "Characterization of dielectric property of nanosized (Pb 0.7Sr0.3)TiO3 powders studied by Raman scattering",

abstract = "Nanosized perovskite (Pb0.7Sr0.3)TiO3 powders have been studied by Raman scattering to characterize the dielectric property derived from the particle size effect. All the optical phonons were assigned while referring to previously reported Raman spectra of PbTiO 3. The frequencies of the soft E( 1 TO) and A1(1TO) modes show a slight hardening with a decrease in particle size. The size dependences of the clamped dielectric constants along the a and c axes characterized by the effect of the phonon confinement are evaluated by the Lyddane-Sachs-Teller relation using the observed frequencies of polar modes with E(x,y) and A 1(z) symmetries, respectively.",

keywords = "Lead strontium titanate, Lyddane-Sachs-Teller relation, Nanosized powder, Phonon confinement, Raman scattering",

author = "Jun Kano and Shinya Tsukada and Fan Zhang and Tomoaki Karaki and Masatoshi Adachi and Seiji Kojima",

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T1 - Characterization of dielectric property of nanosized (Pb 0.7Sr0.3)TiO3 powders studied by Raman scattering

AU - Kano, Jun

AU - Tsukada, Shinya

AU - Zhang, Fan

AU - Karaki, Tomoaki

AU - Adachi, Masatoshi

AU - Kojima, Seiji

PY - 2007/10/22

Y1 - 2007/10/22

N2 - Nanosized perovskite (Pb0.7Sr0.3)TiO3 powders have been studied by Raman scattering to characterize the dielectric property derived from the particle size effect. All the optical phonons were assigned while referring to previously reported Raman spectra of PbTiO 3. The frequencies of the soft E( 1 TO) and A1(1TO) modes show a slight hardening with a decrease in particle size. The size dependences of the clamped dielectric constants along the a and c axes characterized by the effect of the phonon confinement are evaluated by the Lyddane-Sachs-Teller relation using the observed frequencies of polar modes with E(x,y) and A 1(z) symmetries, respectively.

AB - Nanosized perovskite (Pb0.7Sr0.3)TiO3 powders have been studied by Raman scattering to characterize the dielectric property derived from the particle size effect. All the optical phonons were assigned while referring to previously reported Raman spectra of PbTiO 3. The frequencies of the soft E( 1 TO) and A1(1TO) modes show a slight hardening with a decrease in particle size. The size dependences of the clamped dielectric constants along the a and c axes characterized by the effect of the phonon confinement are evaluated by the Lyddane-Sachs-Teller relation using the observed frequencies of polar modes with E(x,y) and A 1(z) symmetries, respectively.

KW - Lead strontium titanate

KW - Lyddane-Sachs-Teller relation

KW - Nanosized powder

KW - Phonon confinement

KW - Raman scattering

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