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H. Z. TAO1,* , C. G. LIN1, Y. Q. GONG2, S. MAO1, X. J. ZHAO1
Raman spectra of samples on three serials within GeS2-In2S3-CsI pseudo-ternary system were probed systematically in this paper. XRD patterns and Raman spectra of Sample A (1/3In2S3·2/3CsI) and B (1/3InS·2/3CsI) reveal that InS4-xIx new structural units are easily formed. The Raman spectrum of Sample B further indicates that bridged units In2S6-xIx (x≥2) are preferentially formed when two tetrahedra InS4-xIx (x≥1) meet. The added Cs+ ions are coordinated as I- anions for their nearest neighbors which play the role of charge balance of InS4-xIx tetrahedra. Based on this micro-structural model, Raman spectral evolution of GeS2-In2S3-CsI glasses was reasonably explained.
Glasses, Optical materials, Raman spectroscopy.
H. Z. TAO, C. G. LIN, Y. Q. GONG, S. MAO, X. J. ZHAO, Microstructural studies of GeS2-In2S3-CsI chalcohalide glasses by Raman scattering, Optoelectronics and Advanced Materials - Rapid Communications, 2, 1, January 2008, pp.29-32 (2008).
Submitted at: Dec. 17, 2007
Accepted at: Jan. 16, 2008
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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