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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Quantitative determination of site occupancy of multi-rare-earth elements doped into Ca2SnO4 phosphor by electron channeling microanalysis

http://hdl.handle.net/2237/20789
http://hdl.handle.net/2237/20789
e1fae9af-1d6c-46c5-98fb-3edb7b5f276a
名前 / ファイル ライセンス アクション
JSSC2010.pdf JSSC2010.pdf (408.6 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-11-17
タイトル
タイトル Quantitative determination of site occupancy of multi-rare-earth elements doped into Ca2SnO4 phosphor by electron channeling microanalysis
言語 en
著者 Fujimichi, Y.

× Fujimichi, Y.

WEKO 54487

en Fujimichi, Y.

Search repository
Muto, S.

× Muto, S.

WEKO 54488

en Muto, S.

Search repository
Tatsumi, K.

× Tatsumi, K.

WEKO 54489

en Tatsumi, K.

Search repository
Kawano, T.

× Kawano, T.

WEKO 54490

en Kawano, T.

Search repository
Yamane, H.

× Yamane, H.

WEKO 54491

en Yamane, H.

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 This is the author's version of a work that was accepted for publication in Journal of Solid State Chemistry. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms, may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Solid State Chemistry. v.183, n.9, 2010, p.2127–2132, DOI:10.1016/j.jssc.2010.07.026.
抄録
内容記述 X-ray fluorescence analysis based on electron channeling effects in transmission electron microscopy (TEM) was performed on Ca2SnO4 phosphor materials doped with Eu^3+/Y^3+ at various concentrations, which showed red photoluminescence associated with the 5D0–7F2 electric dipole transition of Eu^3+ ions. The method provided direct information on which host element site dopant elements occupy, the results of which were compared with those of X-ray diffraction (XRD)–Rietveld analysis. The obtained results indicated that while it is not favorable for a part of Eu^3+ to occupy the smaller Sn^4+ site, this is still energetically better than creating Ca vacancies or any other of the possible charge balance mechanisms. The local lattice distortions associated with dopant impurities with different ionic radii were also examined by TEM–electron energy-loss spectroscopy (TEM–EELS). The change in PL intensity as a function of dopant concentration is discussed based on the experimental results, although the general concept of concentration quenching applies.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.jssc.2010.07.026
ISSN
収録物識別子タイプ PISSN
収録物識別子 0022-4596
書誌情報 en : Journal of Solid State Chemistry

巻 183, 号 9, p. 2127-2132, 発行日 2010-09
著者版フラグ
値 author
URI
識別子 http://dx.doi.org/10.1016/j.jssc.2010.07.026
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/20789
識別子タイプ HDL
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