Abstract
The Fourier transform infrared spectra of different compositions of evaporated V2O5/B2O3 thin films have been investigated. Most of the absorption bands corresponding to V2O5 and B2O3 films coincide with those reported by other authors. The short-range order in amorphous V2O5 films is found to be conserved. The absorption spectra indicate a boroxol ring structure for B2O3 films. In co-evaporated V2O5/B2O3 films the boron is observed to substitute in the V2O5 network such that the coordination number of vanadium ion remains unchanged. The presence of a number of bands corresponding to -OH groups indicates the hygroscopic character of the films.
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