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Dielectric and structural characterisation of chalcogenide glasses via terahertz time-domain spectroscopy

Dielectric and structural characterisation of chalcogenide glasses via terahertz time-domain spectroscopy
Dielectric and structural characterisation of chalcogenide glasses via terahertz time-domain spectroscopy
Terahertz time-domain spectroscopy (THz TDS) was used to investigate a series of chalcogenide glasses. In particular, the dielectric properties at terahertz frequencies were determined and correlated with the glass composition. The experimental results showed a strong relationship between the dielectric properties and the polarizability of the glasses studied. A new explanation based on the coordination number of the metallic cations was proposed to understand these observations.
339-343
Ravagli, Andrea
36bc59df-8134-42d1-9871-bcf7bab6539a
Naftaly, Mira
fac13ced-c730-4e13-9e81-209a04cd2127
Craig, Christopher
2328b42b-552e-4a82-941d-45449e952f10
Weatherby, Edwin
90e34e23-3a6e-432f-8003-6510efbe1d02
Hewak, Daniel
87c80070-c101-4f7a-914f-4cc3131e3db0
Ravagli, Andrea
36bc59df-8134-42d1-9871-bcf7bab6539a
Naftaly, Mira
fac13ced-c730-4e13-9e81-209a04cd2127
Craig, Christopher
2328b42b-552e-4a82-941d-45449e952f10
Weatherby, Edwin
90e34e23-3a6e-432f-8003-6510efbe1d02
Hewak, Daniel
87c80070-c101-4f7a-914f-4cc3131e3db0

Ravagli, Andrea, Naftaly, Mira, Craig, Christopher, Weatherby, Edwin and Hewak, Daniel (2017) Dielectric and structural characterisation of chalcogenide glasses via terahertz time-domain spectroscopy. Optical Materials, 69, 339-343. (doi:10.1016/j.optmat.2017.04.057).

Record type: Article

Abstract

Terahertz time-domain spectroscopy (THz TDS) was used to investigate a series of chalcogenide glasses. In particular, the dielectric properties at terahertz frequencies were determined and correlated with the glass composition. The experimental results showed a strong relationship between the dielectric properties and the polarizability of the glasses studied. A new explanation based on the coordination number of the metallic cations was proposed to understand these observations.

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Accepted/In Press date: 23 April 2017
e-pub ahead of print date: 2 May 2017
Published date: July 2017
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 408197
URI: http://eprints.soton.ac.uk/id/eprint/408197
PURE UUID: 4ee94639-116f-4b42-ab80-d9b43fd850cb
ORCID for Christopher Craig: ORCID iD orcid.org/0000-0001-6919-4294
ORCID for Daniel Hewak: ORCID iD orcid.org/0000-0002-2093-5773

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Date deposited: 17 May 2017 04:01
Last modified: 15 Sep 2021 01:59

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Contributors

Author: Andrea Ravagli
Author: Mira Naftaly
Author: Edwin Weatherby
Author: Daniel Hewak ORCID iD

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