Local structures in Y3+-doped SrCeO3 crystals studied by site-selective spectroscopy

Hiroo Yugami; Y. Chiba; M. Ishigame

doi:10.1016/0167-2738(94)00263-R

Local structures in Y³⁺-doped SrCeO₃ crystals studied by site-selective spectroscopy

Hiroo Yugami, Y. Chiba, M. Ishigame

ENG - Mechanical Systems Engineering

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

15 Citations (Scopus)

Abstract

We have measured site-selective luminescence spectra of Eu³⁺ in the perovskite proton conductors Y³⁺-doped SrCeO₃ single crystals. A strong red shift of the ⁵D₀-⁷F₀ transition of Eu³⁺ is observed with H₂O-treatment. The site-selective spectra of these reveals that (i) four different sites of Eu³⁺ ions exist in protonated SrCeO₃ system at low Y³⁺ concentration and (ii) that the relative intensity among these sites strongly depends on the dopant concentration.

Original language	English
Pages (from-to)	201-206
Number of pages	6
Journal	Solid State Ionics
Volume	77
Issue number	C
DOIs	https://doi.org/10.1016/0167-2738(94)00263-R
Publication status	Published - 1995 Jan 1

Keywords

Protonic conductor
Site-selective spectroscopy
SrCeO crystals

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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abstract = "We have measured site-selective luminescence spectra of Eu3+ in the perovskite proton conductors Y3+-doped SrCeO3 single crystals. A strong red shift of the 5D0-7F0 transition of Eu3+ is observed with H2O-treatment. The site-selective spectra of these reveals that (i) four different sites of Eu3+ ions exist in protonated SrCeO3 system at low Y3+ concentration and (ii) that the relative intensity among these sites strongly depends on the dopant concentration.",

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author = "Hiroo Yugami and Y. Chiba and M. Ishigame",

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T1 - Local structures in Y3+-doped SrCeO3 crystals studied by site-selective spectroscopy

AU - Yugami, Hiroo

AU - Chiba, Y.

AU - Ishigame, M.

PY - 1995/1/1

Y1 - 1995/1/1

N2 - We have measured site-selective luminescence spectra of Eu3+ in the perovskite proton conductors Y3+-doped SrCeO3 single crystals. A strong red shift of the 5D0-7F0 transition of Eu3+ is observed with H2O-treatment. The site-selective spectra of these reveals that (i) four different sites of Eu3+ ions exist in protonated SrCeO3 system at low Y3+ concentration and (ii) that the relative intensity among these sites strongly depends on the dopant concentration.

AB - We have measured site-selective luminescence spectra of Eu3+ in the perovskite proton conductors Y3+-doped SrCeO3 single crystals. A strong red shift of the 5D0-7F0 transition of Eu3+ is observed with H2O-treatment. The site-selective spectra of these reveals that (i) four different sites of Eu3+ ions exist in protonated SrCeO3 system at low Y3+ concentration and (ii) that the relative intensity among these sites strongly depends on the dopant concentration.

KW - Protonic conductor

KW - Site-selective spectroscopy

KW - SrCeO crystals

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