Estimation of the amount of the proton injected into tungsten oxide thin films during deposition using spectroscopic ellipsometry

Yamada, Y. (author)

Kawaji, S. (author)

Bao, S. (author)

Okada, M. (author)

Tazawa, M. (author)

Yoshimura, K. (author)

(creator_code:org_t)

Elsevier BV, 2007
2007
English.
In: Thin Solid Films. - : Elsevier BV. - 0040-6090 .- 1879-2731. ; 515:7-8, s. 3825-3829

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

Tungsten oxide thin films injected with protons (HxWO3) during deposition were prepared on glass substrates using reactive direct-current magnetron sputtering in a mixture of argon, oxygen, and hydrogen gases. The as-deposited films were bronze. The amount of injected protons, namely the x-value in HxWO3, was estimated using the dispersion of the extinction coefficient (κ). The dispersion was evaluated by analyzing the experimental spectra measured with spectroscopic ellipsometry and optical photometry using the model composed of a homogeneous tungsten bronze layer with an additional surface roughness layer. As a result of analysis, the x-value was estimated to be approximately 0.1.

By the author/editor: Yamada, Y.; Kawaji, S.; Bao, S.; Okada, M.; Tazawa, M.; Yoshimura, K.; show more...; Roos, Arne; show less...

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