Staff View: Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing

Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing

A series of mixed glass formers (MGF) with varying compositions denoted as (79-x)B2O3-xTeO2-20Li2O-0.5Ho2O3-0.5Yb2O3 (x = 0–50 mol%) were prepared using the melt-quenching technique. This aim of this study was to examine the effect of combining glass formers TeO2 and B2O3 on the structural, DC condu...

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Main Authors:	Mazlan, M., Winie, Tan, Sazali, E. S., Malek, M. F., Zaid, M. H. M., Azlan, M. N., Hisam, R.
Format:	Article
Published:	Springer Science and Business Media Deutschland GmbH 2024
Online Access:	http://psasir.upm.edu.my/id/eprint/115249/ https://link.springer.com/article/10.1007/s00339-024-07644-y
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spelling	my.upm.eprints.1152492025-02-27T00:08:04Z http://psasir.upm.edu.my/id/eprint/115249/ Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing Mazlan, M. Winie, Tan Sazali, E. S. Malek, M. F. Zaid, M. H. M. Azlan, M. N. Hisam, R. A series of mixed glass formers (MGF) with varying compositions denoted as (79-x)B2O3-xTeO2-20Li2O-0.5Ho2O3-0.5Yb2O3 (x = 0–50 mol%) were prepared using the melt-quenching technique. This aim of this study was to examine the effect of combining glass formers TeO2 and B2O3 on the structural, DC conductivity, elastic, and optical properties of the glass system. XRD measurements confirmed the amorphous nature of the glass samples. Structural analysis revealed a rivalry between the TeO2 and B2O3 formers. It was observed that the bridging oxygen (BO) indicated by the BO4 functional group decreases gradually at x ≥ 40 mol%, implying that non-bridging oxygen (NBO) units, denoted by BO3, become dominant beyond 40 mol%. The variation in DC conductivity showed a non-linear behaviour upon addition of TeO2, with the conductivity increasing to a maximum value at x = 30 mol% before decreasing at x > 30 mol%. Interestingly, the conductivity showed a slight decline at x = 40 mol%, possibly resisting a decrease due to the mixed glass former effect (MGFE). Elastic moduli such as CL, Ke and Y exhibited a non-linear decrease between 10 ≤ x ≤ 30 mol% and reached a lowest value for x = 40 mol%, which coincided with the maximum of DC conductivity attributed to MGFE. Quantitative analysis of ultrasonic data, utilizing bulk compression and ring deformation models, revealed that the Kbc/Ke value is maximum at x = 40 mol%, implying a reduction in ring deformation within the MGFE region. UV–Vis spectroscopy demonstrated that with increasing TeO2 content, Eopt and Eopt’ decreased except for x = 40 mol%. The refractive index, n also increased except at x = 40 mol%. The alternating dominance of BO and NBO in the MGFE region led to this conclusion. Springer Science and Business Media Deutschland GmbH 2024-06-17 Article PeerReviewed Mazlan, M. and Winie, Tan and Sazali, E. S. and Malek, M. F. and Zaid, M. H. M. and Azlan, M. N. and Hisam, R. (2024) Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing. Applied Physics A: Materials Science and Processing, 130 (7). art. no. 487. ISSN 0947-8396; eISSN: 1432-0630 https://link.springer.com/article/10.1007/s00339-024-07644-y 10.1007/s00339-024-07644-y
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/
description	A series of mixed glass formers (MGF) with varying compositions denoted as (79-x)B2O3-xTeO2-20Li2O-0.5Ho2O3-0.5Yb2O3 (x = 0–50 mol%) were prepared using the melt-quenching technique. This aim of this study was to examine the effect of combining glass formers TeO2 and B2O3 on the structural, DC conductivity, elastic, and optical properties of the glass system. XRD measurements confirmed the amorphous nature of the glass samples. Structural analysis revealed a rivalry between the TeO2 and B2O3 formers. It was observed that the bridging oxygen (BO) indicated by the BO4 functional group decreases gradually at x ≥ 40 mol%, implying that non-bridging oxygen (NBO) units, denoted by BO3, become dominant beyond 40 mol%. The variation in DC conductivity showed a non-linear behaviour upon addition of TeO2, with the conductivity increasing to a maximum value at x = 30 mol% before decreasing at x > 30 mol%. Interestingly, the conductivity showed a slight decline at x = 40 mol%, possibly resisting a decrease due to the mixed glass former effect (MGFE). Elastic moduli such as CL, Ke and Y exhibited a non-linear decrease between 10 ≤ x ≤ 30 mol% and reached a lowest value for x = 40 mol%, which coincided with the maximum of DC conductivity attributed to MGFE. Quantitative analysis of ultrasonic data, utilizing bulk compression and ring deformation models, revealed that the Kbc/Ke value is maximum at x = 40 mol%, implying a reduction in ring deformation within the MGFE region. UV–Vis spectroscopy demonstrated that with increasing TeO2 content, Eopt and Eopt’ decreased except for x = 40 mol%. The refractive index, n also increased except at x = 40 mol%. The alternating dominance of BO and NBO in the MGFE region led to this conclusion.
format	Article
author	Mazlan, M. Winie, Tan Sazali, E. S. Malek, M. F. Zaid, M. H. M. Azlan, M. N. Hisam, R.
spellingShingle	Mazlan, M. Winie, Tan Sazali, E. S. Malek, M. F. Zaid, M. H. M. Azlan, M. N. Hisam, R. Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing
author_facet	Mazlan, M. Winie, Tan Sazali, E. S. Malek, M. F. Zaid, M. H. M. Azlan, M. N. Hisam, R.
author_sort	Mazlan, M.
title	Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing
title_short	Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing
title_full	Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing
title_fullStr	Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing
title_full_unstemmed	Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing
title_sort	structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing
publisher	Springer Science and Business Media Deutschland GmbH
publishDate	2024
url	http://psasir.upm.edu.my/id/eprint/115249/ https://link.springer.com/article/10.1007/s00339-024-07644-y
_version_	1825810720548192256
score	13.244413

Structural, elastic, and optical properties of holmium–ytterbium-doped borotellurite glass for possible applications in optical fiber sensing

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