Enhanced mid-IR luminescence of Tm3+ ions in Ga2S3 nanocrystals embedded chalcohalide glass ceramics
Identifieur interne : 000020 ( Hal/Corpus ); précédent : 000019; suivant : 000021Enhanced mid-IR luminescence of Tm3+ ions in Ga2S3 nanocrystals embedded chalcohalide glass ceramics
Auteurs : Shixun Dai ; Changgui Lin ; Feifei Chen ; Xianghua Zhang ; Chao Liu ; Kai Xu ; Jong Heo ; Xiang Shen ; Xunsi WangSource :
- Journal of Non-Crystalline Solids [ 0022-3093 ] ; 2011-06.
English descriptors
Abstract
Chalcohalide glass with a composition of 65GeS2-25Ga2S3-10CsI (in mol%) doped with 0.6 wt% Tm3+ ions was prepared by conventional melt-quench method. By heat treating the precursor glass at 20 °C above its glass transition temperature Tg for different durations, IR transparent glass ceramics were obtained. X-ray diffraction (XRD) and scanning electron microscope (SEM) showed that Ga2S3 crystallites were precipitated after heat treatment and their grain sizes were in nano-scale and increased with the elongation of heat treated time. Mid-IR luminescence properties of the glass and transparent glass ceramic samples were investigated. The emissions at 2.3 and 3.8 μm corresponding to optical transitions of 3H4 → 3H5 and 3H5 → 3F4 of Tm3+ ions were significantly enhanced by the presence of Ga2S3 nanocrystals and reached a maximum after 8 hours treatment.
Url:
DOI: 10.1016/j.jnoncrysol.2010.11.063
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Hal:hal-00719711Le document en format XML
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<front><div type="abstract" xml:lang="en">Chalcohalide glass with a composition of 65GeS2-25Ga2S3-10CsI (in mol%) doped with 0.6 wt% Tm3+ ions was prepared by conventional melt-quench method. By heat treating the precursor glass at 20 °C above its glass transition temperature Tg for different durations, IR transparent glass ceramics were obtained. X-ray diffraction (XRD) and scanning electron microscope (SEM) showed that Ga2S3 crystallites were precipitated after heat treatment and their grain sizes were in nano-scale and increased with the elongation of heat treated time. Mid-IR luminescence properties of the glass and transparent glass ceramic samples were investigated. The emissions at 2.3 and 3.8 μm corresponding to optical transitions of 3H4 → 3H5 and 3H5 → 3F4 of Tm3+ ions were significantly enhanced by the presence of Ga2S3 nanocrystals and reached a maximum after 8 hours treatment.</div>
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<idno type="stamp" n="UNIV-RENNES1">Université de Rennes 1</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Enhanced mid-IR luminescence of Tm3+ ions in Ga2S3 nanocrystals embedded chalcohalide glass ceramics</title>
<author role="aut"><persName><forename type="first">Shixun</forename>
<surname>Dai</surname>
</persName>
<idno type="halAuthorId">880152</idno>
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<author role="aut"><persName><forename type="first">Changgui</forename>
<surname>Lin</surname>
</persName>
<idno type="halAuthorId">738493</idno>
<affiliation ref="#struct-230386"></affiliation>
</author>
<author role="aut"><persName><forename type="first">Feifei</forename>
<surname>Chen</surname>
</persName>
<idno type="halAuthorId">882854</idno>
<affiliation ref="#struct-230386"></affiliation>
</author>
<author role="aut"><persName><forename type="first">Xianghua</forename>
<surname>Zhang</surname>
</persName>
<email>xiang-hua.zhang@univ-rennes1.fr</email>
<idno type="halAuthorId">886059</idno>
<affiliation ref="#struct-194938"></affiliation>
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<author role="aut"><persName><forename type="first">Chao</forename>
<surname>Liu</surname>
</persName>
<idno type="halAuthorId">417990</idno>
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</author>
<author role="aut"><persName><forename type="first">Kai</forename>
<surname>Xu</surname>
</persName>
<idno type="halAuthorId">882834</idno>
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</author>
<author role="aut"><persName><forename type="first">Jong</forename>
<surname>Heo</surname>
</persName>
<idno type="halAuthorId">880210</idno>
<affiliation ref="#struct-230387"></affiliation>
</author>
<author role="aut"><persName><forename type="first">Xiang</forename>
<surname>Shen</surname>
</persName>
<idno type="halAuthorId">880183</idno>
<affiliation ref="#struct-230386"></affiliation>
</author>
<author role="aut"><persName><forename type="first">Xunsi</forename>
<surname>Wang</surname>
</persName>
<idno type="halAuthorId">880182</idno>
<affiliation ref="#struct-230386"></affiliation>
</author>
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<monogr><idno type="halJournalId" status="VALID">15885</idno>
<idno type="issn">0022-3093</idno>
<title level="j">Journal of Non-Crystalline Solids</title>
<imprint><publisher>Elsevier</publisher>
<biblScope unit="volume">357</biblScope>
<biblScope unit="issue">11-13</biblScope>
<biblScope unit="pp">2302-2305</biblScope>
<date type="datePub">2011-06</date>
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<idno type="doi">10.1016/j.jnoncrysol.2010.11.063</idno>
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<profileDesc><langUsage><language ident="en">English</language>
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<textClass><keywords scheme="author"><term xml:lang="en">Chalcohalide glasses</term>
<term xml:lang="en">Glass ceramic</term>
<term xml:lang="en">Thulium ions</term>
<term xml:lang="en">Mid-infrared</term>
</keywords>
<classCode scheme="halDomain" n="chim.mate">Chemical Sciences/Material chemistry</classCode>
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<abstract xml:lang="en">Chalcohalide glass with a composition of 65GeS2-25Ga2S3-10CsI (in mol%) doped with 0.6 wt% Tm3+ ions was prepared by conventional melt-quench method. By heat treating the precursor glass at 20 °C above its glass transition temperature Tg for different durations, IR transparent glass ceramics were obtained. X-ray diffraction (XRD) and scanning electron microscope (SEM) showed that Ga2S3 crystallites were precipitated after heat treatment and their grain sizes were in nano-scale and increased with the elongation of heat treated time. Mid-IR luminescence properties of the glass and transparent glass ceramic samples were investigated. The emissions at 2.3 and 3.8 μm corresponding to optical transitions of 3H4 → 3H5 and 3H5 → 3F4 of Tm3+ ions were significantly enhanced by the presence of Ga2S3 nanocrystals and reached a maximum after 8 hours treatment.</abstract>
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