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Novel Ge–Ga–Te–CsBr glass system with ultrahigh resolvability of halide.

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Title: Novel Ge–Ga–Te–CsBr glass system with ultrahigh resolvability of halide.
Authors: Cheng, Ci1, Wang, Xunsi1 xunsiwang@siom.ac.cn, Xu, Tiefeng1, Zhu, Qingde1, Sun, Lihong1, Pan, Zhanghao1, Nie, Qiuhua1, Zhang, Peiqing1, Wu, Yuehao1, Dai, Shixun1, Shen, Xiang1, Zhang, Xianghua2
Source: Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy. Nov2015, Vol. 150, p737-741. 5p.
Subjects: Germanium telluride, Gallium, Cesium, Metallic glasses, Halides, Extrasolar planets, Carbon dioxide
Abstract: CO 2 molecule, one of the main molecules to create new life, should be probed accurately to detect the existence of life in exoplanets. The primary signature of CO 2 molecule is approximately 15 μm, and traditional S- and Se-based glass fibers are unsuitable. Thus, Te-based glass is the only ideal candidate glass for far-infrared detection. In this study, a new kind of Te-based chalcohalide glass system was discovered with relatively stable and large optical band gap. A traditional melt-quenching method was adopted to prepare a series of (Ge 15 Ga 10 Te 75 ) 100− x (CsBr) x chalcogenide glass samples. Experiment results indicate that the glass-forming ability and thermal properties of glass samples were improved when CsBr was added in the host of Ge–Ga–Te glass. Ge–Ga–Te glass could remarkably dissolve CsBr content as much as 85 at.%, which is the highest halide content in all reports for Te-based chalcohalide glasses. Moreover, Δ T values of these glass samples were all above 100 °C. The glass sample (Ge 15 Ga 10 Te 75 ) 65 (CsBr) 35 with Δ T of 119 °C was the largest, which was 7 °C larger than that of Ge 15 Ga 10 Te 75 host glass. The infrared transmission spectra of these glasses show that the far-infrared cut-off wavelengths of (Ge 15 Ga 10 Te 75 ) 100− x (CsBr) x chalcogenide glasses were all beyond 25 μm. In conclusion, (Ge 15 Ga 10 Te 75 ) 100− x (CsBr) x chalcogenide glasses are potential materials for far-infrared optical application. [ABSTRACT FROM AUTHOR]
Copyright of Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Novel Ge–Ga–Te–CsBr glass system with ultrahigh resolvability of halide.
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  Data: <searchLink fieldCode="AR" term="%22Cheng%2C+Ci%22">Cheng, Ci</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Xunsi%22">Wang, Xunsi</searchLink><relatesTo>1</relatesTo><i> xunsiwang@siom.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Xu%2C+Tiefeng%22">Xu, Tiefeng</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Qingde%22">Zhu, Qingde</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sun%2C+Lihong%22">Sun, Lihong</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pan%2C+Zhanghao%22">Pan, Zhanghao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Nie%2C+Qiuhua%22">Nie, Qiuhua</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Peiqing%22">Zhang, Peiqing</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wu%2C+Yuehao%22">Wu, Yuehao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Dai%2C+Shixun%22">Dai, Shixun</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shen%2C+Xiang%22">Shen, Xiang</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xianghua%22">Zhang, Xianghua</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Spectrochimica+Acta+Part+A%3A+Molecular+%26+Biomolecular+Spectroscopy%22">Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy</searchLink>. Nov2015, Vol. 150, p737-741. 5p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Germanium+telluride%22">Germanium telluride</searchLink><br /><searchLink fieldCode="DE" term="%22Gallium%22">Gallium</searchLink><br /><searchLink fieldCode="DE" term="%22Cesium%22">Cesium</searchLink><br /><searchLink fieldCode="DE" term="%22Metallic+glasses%22">Metallic glasses</searchLink><br /><searchLink fieldCode="DE" term="%22Halides%22">Halides</searchLink><br /><searchLink fieldCode="DE" term="%22Extrasolar+planets%22">Extrasolar planets</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+dioxide%22">Carbon dioxide</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: CO 2 molecule, one of the main molecules to create new life, should be probed accurately to detect the existence of life in exoplanets. The primary signature of CO 2 molecule is approximately 15 μm, and traditional S- and Se-based glass fibers are unsuitable. Thus, Te-based glass is the only ideal candidate glass for far-infrared detection. In this study, a new kind of Te-based chalcohalide glass system was discovered with relatively stable and large optical band gap. A traditional melt-quenching method was adopted to prepare a series of (Ge 15 Ga 10 Te 75 ) 100− x (CsBr) x chalcogenide glass samples. Experiment results indicate that the glass-forming ability and thermal properties of glass samples were improved when CsBr was added in the host of Ge–Ga–Te glass. Ge–Ga–Te glass could remarkably dissolve CsBr content as much as 85 at.%, which is the highest halide content in all reports for Te-based chalcohalide glasses. Moreover, Δ T values of these glass samples were all above 100 °C. The glass sample (Ge 15 Ga 10 Te 75 ) 65 (CsBr) 35 with Δ T of 119 °C was the largest, which was 7 °C larger than that of Ge 15 Ga 10 Te 75 host glass. The infrared transmission spectra of these glasses show that the far-infrared cut-off wavelengths of (Ge 15 Ga 10 Te 75 ) 100− x (CsBr) x chalcogenide glasses were all beyond 25 μm. In conclusion, (Ge 15 Ga 10 Te 75 ) 100− x (CsBr) x chalcogenide glasses are potential materials for far-infrared optical application. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.saa.2015.06.029
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      – Code: eng
        Text: English
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        PageCount: 5
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      – SubjectFull: Germanium telluride
        Type: general
      – SubjectFull: Gallium
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      – SubjectFull: Cesium
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      – SubjectFull: Metallic glasses
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      – SubjectFull: Halides
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      – SubjectFull: Extrasolar planets
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              Text: Nov2015
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