KAMITSOS, Efstratios I.; DUSSAUZE, Marc; VARSAMIS, Christos-Platon E.; VINATIER, Philippe; HAMON, Yohann

doi:10.1016/j.jnoncrysol.2007.02.011

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KAMITSOS, Efstratios I.
Theoretical and Physical Chemistry Institute

DUSSAUZE, Marc
Theoretical and Physical Chemistry Institute

VARSAMIS, Christos-Platon E.
Theoretical and Physical Chemistry Institute

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Journal of Non-Crystalline Solids. 2007, vol. 353, n° 18-21, p. 1818-1823

Elsevier

Résumé en anglais

This work presents a structural investigation of Li-borate thin film electrolytes prepared by rf-sputtering from targets having the nominal Li2O–2B2O3 composition. Thin films of ca. 1 μm were deposited on Si wafers and gold-covered Si substrates under argon, and their infrared spectra were measured in the 30–5000 cm−1 range. The measured spectra of thin films were compared with those calculated on the basis of the infrared properties of the bulk Li-diborate glass and by considering all optical effects in the film/substrate system. The results showed that the thin films have the key structural features of the bulk glass, but exhibit also differences in the short-range order structure and in the Li ion-site interactions. These findings were discussed in terms of cooling rate differences between melt-quenching for bulk glass and sputtering for thin films.< Réduire

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Fast ion conduction

Sputtering

Reflectivity

FTIR measurements

Infrared properties

Borates

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Infrared spectroscopy of Li-diborate glassy thin films

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