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

doi:10.1143/jjap.40.l891

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

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

10 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
Pages (from-to)	L891-L893
Journal	Japanese Journal of Applied Physics, Part 2: Letters
Volume	40
Issue number	8 B
DOIs	https://doi.org/10.1143/jjap.40.l891
Publication status	Published - Aug 15 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy (miscellaneous)
Physics and Astronomy(all)

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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.",

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

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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.

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

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

Abstract

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