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Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass

Rare-earth doped glass systems with improved absorption and emission features are greatly demanding for diverse applications. In this endavour, selection of right glass host, modifier, rare earth ions with optimized composition is the key issue. This communication reports the conventional melt-quenc...

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Main Authors: Yusof, Nur Nabihah, Ghoshal, Sib Krishna, Omar, Muhammad Firdaus
Format: Article
Published: 2017
Subjects:
Q Science (General)
Online Access:http://eprints.utm.my/id/eprint/81273/
http://dx.doi.org/10.11113/mjfas.v13n3.561
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spelling my.utm.812732019-07-24T03:40:24Z http://eprints.utm.my/id/eprint/81273/ Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass Yusof, Nur Nabihah Ghoshal, Sib Krishna Omar, Muhammad Firdaus Q Science (General) Rare-earth doped glass systems with improved absorption and emission features are greatly demanding for diverse applications. In this endavour, selection of right glass host, modifier, rare earth ions with optimized composition is the key issue. This communication reports the conventional melt-quench synthesis of neodymium (Nd3+) doped magnesium-zinc- sulfophosphate glass system of the form (60-x)P2O5-20MgO-20ZnSO4-xNd2O3 (x = 0, 0.5, 1, 1.5, 2.0 and 2.5 mol%). The influence of varying Nd3+ contents on the physical (density, molar volume, molar refractivity, refractive index and electronic polarizability) and absorption properties of the prepared glass system is determined. The amorphousity of the obtained samples is confirmed by XRD analysis. The glass refractive indices (ranged from 1.85 to 1.90) and densites (between 2.63 to 2.77 g.cm-3) are found to increase with increasing concentration of Nd3+ ion. Furthermore, the energies associated with the direct and indirect optical transitions across the forbidden gap are observed to reduce with the increase of Nd3+ ion concentration. Meanwhile, the increase of Urbach energy with increasing Nd3+doping is ascribed to the interaction of rare earth ions with the ligands of the glass network and subsequent transformation of weak bonds into defects. The room temperature UV–Vis-NIR spectra revealed eleven absorption band corresponding to the transitions from the ground state to various excited states of the Nd3+ ion. Incorporation of Nd3+ ion is discerned to enhance the glass absorbance appreciably together with the alteration of physical properties. Present findings may be beneficial for the advancement of Nd3+ ions doped magnesium-zinc-sulfophosphate glass system based photonic devices especially for infrared solid state laser. 2017 Article PeerReviewed Yusof, Nur Nabihah and Ghoshal, Sib Krishna and Omar, Muhammad Firdaus (2017) Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass. Malaysian Journal of Fundamental and Applied Sciences, 13 (3). pp. 259-263. ISSN 2289-5981 http://dx.doi.org/10.11113/mjfas.v13n3.561 DOI:10.11113/mjfas.v13n3.561
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic Q Science (General)
spellingShingle Q Science (General)
Yusof, Nur Nabihah
Ghoshal, Sib Krishna
Omar, Muhammad Firdaus
Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass
description Rare-earth doped glass systems with improved absorption and emission features are greatly demanding for diverse applications. In this endavour, selection of right glass host, modifier, rare earth ions with optimized composition is the key issue. This communication reports the conventional melt-quench synthesis of neodymium (Nd3+) doped magnesium-zinc- sulfophosphate glass system of the form (60-x)P2O5-20MgO-20ZnSO4-xNd2O3 (x = 0, 0.5, 1, 1.5, 2.0 and 2.5 mol%). The influence of varying Nd3+ contents on the physical (density, molar volume, molar refractivity, refractive index and electronic polarizability) and absorption properties of the prepared glass system is determined. The amorphousity of the obtained samples is confirmed by XRD analysis. The glass refractive indices (ranged from 1.85 to 1.90) and densites (between 2.63 to 2.77 g.cm-3) are found to increase with increasing concentration of Nd3+ ion. Furthermore, the energies associated with the direct and indirect optical transitions across the forbidden gap are observed to reduce with the increase of Nd3+ ion concentration. Meanwhile, the increase of Urbach energy with increasing Nd3+doping is ascribed to the interaction of rare earth ions with the ligands of the glass network and subsequent transformation of weak bonds into defects. The room temperature UV–Vis-NIR spectra revealed eleven absorption band corresponding to the transitions from the ground state to various excited states of the Nd3+ ion. Incorporation of Nd3+ ion is discerned to enhance the glass absorbance appreciably together with the alteration of physical properties. Present findings may be beneficial for the advancement of Nd3+ ions doped magnesium-zinc-sulfophosphate glass system based photonic devices especially for infrared solid state laser.
format Article
author Yusof, Nur Nabihah
Ghoshal, Sib Krishna
Omar, Muhammad Firdaus
author_facet Yusof, Nur Nabihah
Ghoshal, Sib Krishna
Omar, Muhammad Firdaus
author_sort Yusof, Nur Nabihah
title Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass
title_short Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass
title_full Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass
title_fullStr Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass
title_full_unstemmed Modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass
title_sort modified absorption attributes of neodymium doped magnesium-zinc-sulfophosphate glass
publishDate 2017
url http://eprints.utm.my/id/eprint/81273/
http://dx.doi.org/10.11113/mjfas.v13n3.561
_version_ 1643658662186582016
score 13.211869

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