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Structural and optical properties of Tm2O3-doped zinc borotellurite glass system

Thulium doped zinc borotellurite glasses with composition {[(TeO2)0.7(B2O3)0.3]0.7[ZnO]0.3}1-x{Tm2O3}x were synthesized using melt-quenching technique. The values of x varied from 0.01 to 0.05 mol. The density and molar volume of the glass samples were found to increase with increased concentration...

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Main Authors:	L., Hasnimulyati, M. K., Halimah, A., Zakaria, S. A., Halim, M., Ishak, Chua, Eevon
格式:	Article
語言:	English
出版:	National Institute of Research and Development for Optoelectronics 2016
在線閱讀:	http://psasir.upm.edu.my/id/eprint/53906/1/Structural%20and%20optical%20properties%20of%20Tm2O3-doped%20zinc%20borotellurite%20glass%20system.pdf http://psasir.upm.edu.my/id/eprint/53906/ https://chalcogen.ro/index.php/journals/journal-of-ovonic-research/12-jor/403-volume-12-number-6-november-december-2016
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id	my.upm.eprints.53906
record_format	eprints
spelling	my.upm.eprints.539062022-03-18T04:30:43Z http://psasir.upm.edu.my/id/eprint/53906/ Structural and optical properties of Tm2O3-doped zinc borotellurite glass system L., Hasnimulyati M. K., Halimah A., Zakaria S. A., Halim M., Ishak Chua, Eevon Thulium doped zinc borotellurite glasses with composition {[(TeO2)0.7(B2O3)0.3]0.7[ZnO]0.3}1-x{Tm2O3}x were synthesized using melt-quenching technique. The values of x varied from 0.01 to 0.05 mol. The density and molar volume of the glass samples were found to increase with increased concentration of thulium oxide. FTIR analysis showed the existence of TeO4, BO3 and BO4 structural units in the glass network as well as the formation of bridging oxygens. XRD patterns confirmed the amorphous nature of the glass and were supported by the absence of sharp edges in the absorption spectra. All the optical data was found to vary with the concentration of Tm2O3. The direct and indirect optical band gap was in the range of 4.19 to 4.38 eV and 3.62 to 3.79 eV respectively. The trend for refractive index, molar refraction and molar polarizability was in opposite trend to the optical band gap and Urbach energy due to the variation of non-bridging oxygens (NBOs), increment of cross-link density, and also the existence of free electrons in the glass system. National Institute of Research and Development for Optoelectronics 2016 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/53906/1/Structural%20and%20optical%20properties%20of%20Tm2O3-doped%20zinc%20borotellurite%20glass%20system.pdf L., Hasnimulyati and M. K., Halimah and A., Zakaria and S. A., Halim and M., Ishak and Chua, Eevon (2016) Structural and optical properties of Tm2O3-doped zinc borotellurite glass system. Journal of Ovonic Research, 12 (6). pp. 291-299. ISSN 1842-2403; ESSN: 1584-9953 https://chalcogen.ro/index.php/journals/journal-of-ovonic-research/12-jor/403-volume-12-number-6-november-december-2016
institution	Universiti Putra Malaysia
building	UPM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Putra Malaysia
content_source	UPM Institutional Repository
url_provider	http://psasir.upm.edu.my/
language	English
description	Thulium doped zinc borotellurite glasses with composition {[(TeO2)0.7(B2O3)0.3]0.7[ZnO]0.3}1-x{Tm2O3}x were synthesized using melt-quenching technique. The values of x varied from 0.01 to 0.05 mol. The density and molar volume of the glass samples were found to increase with increased concentration of thulium oxide. FTIR analysis showed the existence of TeO4, BO3 and BO4 structural units in the glass network as well as the formation of bridging oxygens. XRD patterns confirmed the amorphous nature of the glass and were supported by the absence of sharp edges in the absorption spectra. All the optical data was found to vary with the concentration of Tm2O3. The direct and indirect optical band gap was in the range of 4.19 to 4.38 eV and 3.62 to 3.79 eV respectively. The trend for refractive index, molar refraction and molar polarizability was in opposite trend to the optical band gap and Urbach energy due to the variation of non-bridging oxygens (NBOs), increment of cross-link density, and also the existence of free electrons in the glass system.
format	Article
author	L., Hasnimulyati M. K., Halimah A., Zakaria S. A., Halim M., Ishak Chua, Eevon
spellingShingle	L., Hasnimulyati M. K., Halimah A., Zakaria S. A., Halim M., Ishak Chua, Eevon Structural and optical properties of Tm2O3-doped zinc borotellurite glass system
author_facet	L., Hasnimulyati M. K., Halimah A., Zakaria S. A., Halim M., Ishak Chua, Eevon
author_sort	L., Hasnimulyati
title	Structural and optical properties of Tm2O3-doped zinc borotellurite glass system
title_short	Structural and optical properties of Tm2O3-doped zinc borotellurite glass system
title_full	Structural and optical properties of Tm2O3-doped zinc borotellurite glass system
title_fullStr	Structural and optical properties of Tm2O3-doped zinc borotellurite glass system
title_full_unstemmed	Structural and optical properties of Tm2O3-doped zinc borotellurite glass system
title_sort	structural and optical properties of tm2o3-doped zinc borotellurite glass system
publisher	National Institute of Research and Development for Optoelectronics
publishDate	2016
url	http://psasir.upm.edu.my/id/eprint/53906/1/Structural%20and%20optical%20properties%20of%20Tm2O3-doped%20zinc%20borotellurite%20glass%20system.pdf http://psasir.upm.edu.my/id/eprint/53906/ https://chalcogen.ro/index.php/journals/journal-of-ovonic-research/12-jor/403-volume-12-number-6-november-december-2016
_version_	1728052813923090432
score	13.251814

Structural and optical properties of Tm2O3-doped zinc borotellurite glass system

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