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Chemical environment of rare earth ions in Ge 28.125 Ga 6.25 S 65.625 glass-ceramics doped with Dy 3+

We have annealed Ge 28.125 Ga 6.25 S 65.625 glasses doped with 0.5% Dy to create glass-ceramics in order to examine the local chemical environment of the rare earth ions (REI). More than 12 times enhancement of the emission at 2.9 and 3.5  μ m was achieved in glass-ceramics produced using prolonged... Full description

Journal Title: Applied Physics Letters 19 October 2015, Vol.107(16)
Main Author: Wang, Rongping
Other Authors: Yan, Kunlun , Zhang, Mingjie , Shen, Xiang , Dai, Shixun , Yang, Xinyu , Yang, Zhiyong , Yang, Anping , Zhang, Bin , Luther-Davies, Barry
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: © 2015 AIP Publishing LLC (AIP)
ID: ISSN: 0003-6951 ; E-ISSN: 1077-3118 ; DOI: 10.1063/1.4934261
Link: http://dx.doi.org/10.1063/1.4934261
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recordid: aip_complete10.1063/1.4934261
title: Chemical environment of rare earth ions in Ge 28.125 Ga 6.25 S 65.625 glass-ceramics doped with Dy 3+
format: Article
creator:
  • Wang, Rongping
  • Yan, Kunlun
  • Zhang, Mingjie
  • Shen, Xiang
  • Dai, Shixun
  • Yang, Xinyu
  • Yang, Zhiyong
  • Yang, Anping
  • Zhang, Bin
  • Luther-Davies, Barry
subjects:
  • Structural, Mechanical, Optical, And Thermodynamic Properties Of Advanced Materials
ispartof: Applied Physics Letters, 19 October 2015, Vol.107(16)
description: We have annealed Ge 28.125 Ga 6.25 S 65.625 glasses doped with 0.5% Dy to create glass-ceramics in order to examine the local chemical environment of the rare earth ions (REI). More than 12 times enhancement of the emission at 2.9 and 3.5  μ m was achieved in glass-ceramics produced using prolonged annealing time. Elemental mapping showed clear evidence that Ga 2 S 3 crystalline grains with a size of 50 nm were dispersed in a Ge-S glass matrix in the glass-ceramics, and the REI could only be found near the Ga 2 S 3 crystalline grains. From the unchanged lineshape of the emissions at 2.9 and 3.5  μ m and lack of splitting of the absorption peaks, we concluded that the REI were bonded to Ga on the surface of the Ga 2 S 3 crystals.
language: eng
source: © 2015 AIP Publishing LLC (AIP)
identifier: ISSN: 0003-6951 ; E-ISSN: 1077-3118 ; DOI: 10.1063/1.4934261
fulltext: fulltext
issn:
  • 0003-6951
  • 1077-3118
  • 00036951
  • 10773118
url: Link


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titleChemical environment of rare earth ions in Ge 28.125 Ga 6.25 S 65.625 glass-ceramics doped with Dy 3+
creatorWang, Rongping ; Yan, Kunlun ; Zhang, Mingjie ; Shen, Xiang ; Dai, Shixun ; Yang, Xinyu ; Yang, Zhiyong ; Yang, Anping ; Zhang, Bin ; Luther-Davies, Barry
ispartofApplied Physics Letters, 19 October 2015, Vol.107(16)
subjectStructural, Mechanical, Optical, And Thermodynamic Properties Of Advanced Materials
descriptionWe have annealed Ge 28.125 Ga 6.25 S 65.625 glasses doped with 0.5% Dy to create glass-ceramics in order to examine the local chemical environment of the rare earth ions (REI). More than 12 times enhancement of the emission at 2.9 and 3.5  μ m was achieved in glass-ceramics produced using prolonged annealing time. Elemental mapping showed clear evidence that Ga 2 S 3 crystalline grains with a size of 50 nm were dispersed in a Ge-S glass matrix in the glass-ceramics, and the REI could only be found near the Ga 2 S 3 crystalline grains. From the unchanged lineshape of the emissions at 2.9 and 3.5  μ m and lack of splitting of the absorption peaks, we concluded that the REI were bonded to Ga on the surface of the Ga 2 S 3 crystals.
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descriptionWe have annealed Ge 28.125 Ga 6.25 S 65.625 glasses doped with 0.5% Dy to create glass-ceramics in order to examine the local chemical environment of the rare earth ions (REI). More than 12 times enhancement of the emission at 2.9 and 3.5  μ m was achieved in glass-ceramics produced using prolonged annealing time. Elemental mapping showed clear evidence that Ga 2 S 3 crystalline grains with a size of 50 nm were dispersed in a Ge-S glass matrix in the glass-ceramics, and the REI could only be found near the Ga 2 S 3 crystalline grains. From the unchanged lineshape of the emissions at 2.9 and 3.5  μ m and lack of splitting of the absorption peaks, we concluded that the REI were bonded to Ga on the surface of the Ga 2 S 3 crystals.
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titleChemical environment of rare earth ions in Ge 28.125 Ga 6.25 S 65.625 glass-ceramics doped with Dy 3+
authorWang, Rongping ; Yan, Kunlun ; Zhang, Mingjie ; Shen, Xiang ; Dai, Shixun ; Yang, Xinyu ; Yang, Zhiyong ; Yang, Anping ; Zhang, Bin ; Luther-Davies, Barry
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atitleChemical environment of rare earth ions in Ge 28.125 Ga 6.25 S 65.625 glass-ceramics doped with Dy 3+
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abstractWe have annealed Ge 28.125 Ga 6.25 S 65.625 glasses doped with 0.5% Dy to create glass-ceramics in order to examine the local chemical environment of the rare earth ions (REI). More than 12 times enhancement of the emission at 2.9 and 3.5  μ m was achieved in glass-ceramics produced using prolonged annealing time. Elemental mapping showed clear evidence that Ga 2 S 3 crystalline grains with a size of 50 nm were dispersed in a Ge-S glass matrix in the glass-ceramics, and the REI could only be found near the Ga 2 S 3 crystalline grains. From the unchanged lineshape of the emissions at 2.9 and 3.5  μ m and lack of splitting of the absorption peaks, we concluded that the REI were bonded to Ga on the surface of the Ga 2 S 3 crystals.
pubAIP Publishing LLC
doi10.1063/1.4934261
date2015-10-19