Preparation and properties of La2O3-Ga2S3 glass-ceramics for IR materials

Takebe, H., Murakami, T., Kuwabara, M. and Hewak, D.W. (2006) Preparation and properties of La2O3-Ga2S3 glass-ceramics for IR materials. Journal of Non-Crystalline Solids, 352, (23-25), 2425-2429. (doi:10.1016/j.jnoncrysol.2006.02.063).


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IR transmitting glass-ceramics were prepared by isothermal treatments of La2O3–Ga2S3 glasses. The glass-ceramics were characterized by crystalline phases, microstructure, Vickers hardness and mid (3–5 ?m) IR transmittance. The Nd2S3-doped La2O3–Ga2S3 glass-ceramics consisting of a large numbers of (LaO)4Ga1.72S4.58, ?-(LaO)GaS2 and ?-Ga2S3 crystals with <1 ?m in size exhibit a high hardness of 5.3 GPa and a mid IR transparency of >60%.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.jnoncrysol.2006.02.063
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Keywords: glass-ceramics, chalcogenides, hardness, microstructure, optical properties
Subjects: Q Science
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 42397
Date :
Date Event
Date Deposited: 11 Dec 2006
Last Modified: 31 Mar 2016 12:15

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