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Вид документа : Статья из журнала Шифр издания :
Автор(ы) : Gerasimova J. V., Vtyurin A. N.
Заглавие : Evans hole in internal modes IR spectrum of WO3F33-ions in (NH4)(3)WO3F3 crystal
Место публикации : Chem. Phys. Lett.: ELSEVIER SCIENCE BV, 2012. - Vol. 523. - P.144-147. - ISSN 0009-2614, DOI 10.1016/j.cplett.2011.12.041 Примечания : Cited References: 11. - We would like to thank Prof. E. M. Aver'yanov for discussion, and V. A. Ouskin for the technical assistance. This work has been supported by the Russian Foundation for Basic Researches, Grant No. 11-02-98002-r_sibir_a.
Предметные рубрики: INFRARED-SPECTRA PHASE-TRANSITIONS OXYFLUORIDE MOLECULES Аннотация: Infrared absorption of (NH4)(3)WO3F3 compound has been studied. Profile of asymmetric band in 600-1000 cm (1) range associated with polar W-O vibrations of WO3F33- ions is explicable on the basis of multi-oscillatory dynamics with account of damping. Complex profile with Evans holes proves that internal modes of WO3F33- anions in the fluorine-oxygen octahedron interact due to the effects of the local field. (C) 2011 Elsevier B. V. All rights reserved.
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