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2014 | 126 | 1 | 272-273
Article title

Raman Spectra of Bismuth Oxyhalide Single Crystals

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EN
Abstracts
EN
Oxyhalogenides of bismuth BiOX (X=Cl, Br and I) are very interesting materials which find various applications as X-ray luminescent screens, anti-Stokes (frequency upshift) converters, luminophors, and photoconducting analyzers of linear polarized radiation. Since each primitive cell consist of six monoatomic sites, the structure of the reduced representation of the 15 normal modes of vibration is: Γ= 2A_{1g}(Ra.)+B_{1g}(Ra.)+ 3E_{g}(Ra.)+ 2A_{2u}(i.r.)+ 2E_{u}(i.r.), in which the vibrations of A_{1g}, B_{1g} and E_{g} species are active in the Raman spectrum and those of A_{2u} and E_{u} species are active in the infrared (i.r.) spectrum. The Raman active modes are observed in frequency range 55 - 225 cm^{-1}, 50 - 185 cm^{-1 }, and 45 - 175 cm^{-1} for the BiOCl, BiOBr and BiOI single crystals respectively.
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EN
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Year
Volume
126
Issue
1
Pages
272-273
Physical description
Dates
published
2014-07
Contributors
author
  • Faculty of Design, Transcarpathian Institute of Arts, Voloshin 37, 880 00 Uzhgorod, Ukraine
author
  • Faculty of Design, Transcarpathian Institute of Arts, Voloshin 37, 880 00 Uzhgorod, Ukraine
References
  • [1] V. Bunda, S. Bunda, Superconductors - properties, technology, and applications ISBN: 978-953-51-0545-9, Eds. Yu. Grigorashvili, InTech, Rijeka (Croatia) 2012, p. 323
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv126n1131kz
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