A size effect in the optical properties of powdered TiO2

M. M. Mikhailov, V. A. Vlasov

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Abstract

The spectral reflectivity p in the region 0.36-2.1 μm and its change Δp with irradiation by 30 keV electrons versus the average grain size rav in a TiO2 (rutile) powder has been studied in the range 1-7.5 μm. It has been established that the dependence of p on r av differs for different regions of the spectrum, but there is a common increase of p in the size range 2.5-4 μm. The value of Δp after irradiation is also less in powders with this range of sizes. It has been shown that the dependence Δp = f(rav) with increasing electron fluence from 2.1015 to 4. 1016 is strengthened for one band and weakened for another.

Original languageEnglish
Pages (from-to)1222-1228
Number of pages7
JournalRussian Physics Journal
Volume41
Issue number12
Publication statusPublished - 1998

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optical properties
irradiation
rutile
fluence
electrons
grain size
reflectance

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

A size effect in the optical properties of powdered TiO2 . / Mikhailov, M. M.; Vlasov, V. A.

In: Russian Physics Journal, Vol. 41, No. 12, 1998, p. 1222-1228.

Research output: Contribution to journalArticle

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