Mechanisms Underlying the Formation of Defect Complexes in LiNbO3:Mg(5.05 mol %):Fe(0.009 mol %) Doubly Doped Crystals


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The IR absorption spectrum of LiNbO3:Mg(5.05 mol %):Fe(0.009 mol %) crystals has been shown to be noticeably shifted (by ~50 cm–1) to higher frequencies, corresponding to stretching vibrations of OH groups, in comparison with the spectrum of congruent LiNbO3 crystals. Analysis has shown that the shift is due to the formation of \({\text{Mg}}_{{{\text{Li}}}}^{ + }\)\({\text{Fe}}_{{{\text{Nb}}}}^{{2 - }}\)–OH and \({\text{Mg}}_{{{\text{Li}}}}^{ + }\)\({\text{Mg}}_{{{\text{Nb}}}}^{{3 - }}\)–ОН defect complexes.

作者简介

N. Sidorov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center Federal Research Center, Russian Academy of Sciences

编辑信件的主要联系方式.
Email: sidorov@chemy.kolasc.net.ru
俄罗斯联邦, Akademgorodok 26a, Apatity, Murmansk oblast, 184209

M. Palatnikov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center Federal Research Center, Russian Academy of Sciences

Email: sidorov@chemy.kolasc.net.ru
俄罗斯联邦, Akademgorodok 26a, Apatity, Murmansk oblast, 184209

L. Bobreva

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center Federal Research Center, Russian Academy of Sciences

Email: sidorov@chemy.kolasc.net.ru
俄罗斯联邦, Akademgorodok 26a, Apatity, Murmansk oblast, 184209

N. Novikova

Institute of Spectroscopy, Russian Academy of Sciences

Email: sidorov@chemy.kolasc.net.ru
俄罗斯联邦, Fizicheskaya ul. 5, Troitsk, Moscow, 108840

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