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Determination of the oxidation state and coordination of a vanadium doped chalcogenide glass

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Vanadium doped chalcogenide glass has potential as an active gain medium, particularly at telecommunications wavelengths. This dopant has three spin allowed absorption transitions at 1100, 737 and 578 nm, and a spin forbidden absorption transition at 1000 nm. X-ray photo electron spectroscopy indicated the presence of vanadium in a range of oxidation states from V+ to V5+. Excitation of each absorption band resulted in the same characteristic emission spectrum and lifetime, indicating that only one oxidation state is optically active. Arguments based on Tanabe-Sugano analysis indicated that the configuration of the optically active vanadium ion was octahedral V2+. The calculated crystal field parameters (Dq/B, B and C/B) were 1.85, 485.1 and 4.55, respectively.

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Hughes, Mark A., Curry, Richard J. and Hewak, Daniel W. (2011) Determination of the oxidation state and coordination of a vanadium doped chalcogenide glass Optical Materials, 33, (3), pp. 315-322. (doi:10.1016/j.optmat.2010.09.007).

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Published date: January 2011
Organisations: Optoelectronics Research Centre


Local EPrints ID: 192617
PURE UUID: 944fa312-0480-4237-a64b-90917eb95cc0
ORCID for Daniel W. Hewak: ORCID iD

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Date deposited: 06 Jul 2011 13:29
Last modified: 18 Jul 2017 11:31

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Author: Mark A. Hughes
Author: Richard J. Curry
Author: Daniel W. Hewak ORCID iD

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