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Structural and temperature-related disordering studies of Cu6PS5I amorphous thin films

Publication at Faculty of Mathematics and Physics |
2012

Abstract

Cu6PS5I thin films were deposited onto silicate glass substrates by non-reactive radio frequency magnetron sputtering. Spectrometric and isoabsorption studies of Cu6PS5I thin films in the temperature interval 77-500 K were performed.

Structural studies were carried out using X-ray diffraction and scanning electron microscopy techniques. Temperature evolution of optical transmission spectra as well as temperature dependences of optical pseudogap and Urbach energy is investigated.

The influence of temperature-related and structural disordering on the Urbach tail is studied.