Raman spectroscopic fingerprint of ferroelectric SrBi2Ta2O9 thin films: A rapid distinction method for fluorite and pyrochlore phases

Minoru Osada; Masato Kakihana; Masatoshi Mitsuya; Takayuki Watanabe; Hiroshi Funakubo

Raman spectroscopic fingerprint of ferroelectric SrBi₂Ta₂O₉ thin films: A rapid distinction method for fluorite and pyrochlore phases

Minoru Osada^*, Masato Kakihana, Masatoshi Mitsuya, Takayuki Watanabe, Hiroshi Funakubo

^*Corresponding author for this work

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

15 Citations (Scopus)

Abstract

We present the use of Raman spectroscopy as a rapid and sensitive means for the phase characterization of ferroelectric SrBi₂(Ta_1-xNb_x)₂O₉ (SBTN) thin films. It is shown that frequency shifts, together with Raman selection rules, are characteristic of layered perovskite, fluorite and pyrochlore structures, and thus the Raman spectra can be used as a fingerprint of the symmetry of the examined film. We also find the enormous potential of Raman spectroscopy to detect and quantify fractions of the fluorite and pyrochlore phases coexistent with the SBTN phase.

Original language	English
Journal	Japanese Journal of Applied Physics, Part 2: Letters
Volume	40
Issue number	8 B
Publication status	Published - 2001 Aug 15
Externally published	Yes

Keywords

Fluorite
Impurity phase
Phase identification
Pyrochlore
Raman scattering
SrBi(TaNb)O (SBTN)

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Cite this

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title = "Raman spectroscopic fingerprint of ferroelectric SrBi2Ta2O9 thin films: A rapid distinction method for fluorite and pyrochlore phases",

abstract = "We present the use of Raman spectroscopy as a rapid and sensitive means for the phase characterization of ferroelectric SrBi2(Ta1-xNbx)2O9 (SBTN) thin films. It is shown that frequency shifts, together with Raman selection rules, are characteristic of layered perovskite, fluorite and pyrochlore structures, and thus the Raman spectra can be used as a fingerprint of the symmetry of the examined film. We also find the enormous potential of Raman spectroscopy to detect and quantify fractions of the fluorite and pyrochlore phases coexistent with the SBTN phase.",

keywords = "Fluorite, Impurity phase, Phase identification, Pyrochlore, Raman scattering, SrBi(TaNb)O (SBTN)",

author = "Minoru Osada and Masato Kakihana and Masatoshi Mitsuya and Takayuki Watanabe and Hiroshi Funakubo",

year = "2001",

month = aug,

day = "15",

language = "English",

volume = "40",

journal = "Japanese Journal of Applied Physics, Part 2: Letters",

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publisher = "Japan Society of Applied Physics",

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T1 - Raman spectroscopic fingerprint of ferroelectric SrBi2Ta2O9 thin films

T2 - A rapid distinction method for fluorite and pyrochlore phases

AU - Osada, Minoru

AU - Kakihana, Masato

AU - Mitsuya, Masatoshi

AU - Watanabe, Takayuki

AU - Funakubo, Hiroshi

PY - 2001/8/15

Y1 - 2001/8/15

N2 - We present the use of Raman spectroscopy as a rapid and sensitive means for the phase characterization of ferroelectric SrBi2(Ta1-xNbx)2O9 (SBTN) thin films. It is shown that frequency shifts, together with Raman selection rules, are characteristic of layered perovskite, fluorite and pyrochlore structures, and thus the Raman spectra can be used as a fingerprint of the symmetry of the examined film. We also find the enormous potential of Raman spectroscopy to detect and quantify fractions of the fluorite and pyrochlore phases coexistent with the SBTN phase.

AB - We present the use of Raman spectroscopy as a rapid and sensitive means for the phase characterization of ferroelectric SrBi2(Ta1-xNbx)2O9 (SBTN) thin films. It is shown that frequency shifts, together with Raman selection rules, are characteristic of layered perovskite, fluorite and pyrochlore structures, and thus the Raman spectra can be used as a fingerprint of the symmetry of the examined film. We also find the enormous potential of Raman spectroscopy to detect and quantify fractions of the fluorite and pyrochlore phases coexistent with the SBTN phase.

KW - Fluorite

KW - Impurity phase

KW - Phase identification

KW - Pyrochlore

KW - Raman scattering

KW - SrBi(TaNb)O (SBTN)

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M3 - Article

AN - SCOPUS:0035880365

SN - 0021-4922

VL - 40

JO - Japanese Journal of Applied Physics, Part 2: Letters

JF - Japanese Journal of Applied Physics, Part 2: Letters

IS - 8 B

ER -

Raman spectroscopic fingerprint of ferroelectric SrBi₂Ta₂O₉ thin films: A rapid distinction method for fluorite and pyrochlore phases

Abstract

Keywords

ASJC Scopus subject areas

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