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

Preparation and properties of La2O3-Ga2S3 glass-ceramics for IR materials
Preparation and properties of La2O3-Ga2S3 glass-ceramics for IR materials
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 (3–5µm) IR transmittance. The Nd2S3-doped La2O3–Ga2S3 glass-ceramics consisting of a large numbers of (LaO)4Ga1.72S4.58, α-(LaO)GaS2 and α-Ga2S3 crystals with <1µm in size exhibit a high hardness of 5.3 GPa and a mid IR transparency of >60%.
glass-ceramics, chalcogenides, hardness, microstructure, optical properties
0022-3093
2425-2429
Takebe, H.
7dbc1b40-b524-47b8-a478-2808dd167844
Murakami, T.
b5d2ff25-f1f6-4973-8978-4c8b02dc0ce7
Kuwabara, M.
d28a4aee-30bf-4f7b-9b41-22c016887f24
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Takebe, H.
7dbc1b40-b524-47b8-a478-2808dd167844
Murakami, T.
b5d2ff25-f1f6-4973-8978-4c8b02dc0ce7
Kuwabara, M.
d28a4aee-30bf-4f7b-9b41-22c016887f24
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0

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).

Record type: Article

Abstract

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 (3–5µm) IR transmittance. The Nd2S3-doped La2O3–Ga2S3 glass-ceramics consisting of a large numbers of (LaO)4Ga1.72S4.58, α-(LaO)GaS2 and α-Ga2S3 crystals with <1µm in size exhibit a high hardness of 5.3 GPa and a mid IR transparency of >60%.

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Published date: 15 July 2006
Keywords: glass-ceramics, chalcogenides, hardness, microstructure, optical properties
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Identifiers

Local EPrints ID: 42397
URI: http://eprints.soton.ac.uk/id/eprint/42397
DOI: doi:10.1016/j.jnoncrysol.2006.02.063
ISSN: 0022-3093
PURE UUID: 0d5c3351-675f-42c3-996b-a4c57b40d834
ORCID for D.W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773

Catalogue record

Date deposited: 11 Dec 2006
Last modified: 15 Mar 2024 08:47

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Contributors

Author: H. Takebe
Author: T. Murakami
Author: M. Kuwabara
Author: D.W. Hewak ORCID iD

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