Photoelectric Fields and Band Gap in Doped Lithium Niobate Crystals


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Abstract

Photoinduced light scattering and optical spectroscopy have been used to study the photorefractive effect and determine the band gap in nominally undoped congruent and stoichiometric lithium niobate crystals, as well as in a series of congruent LiNbO3 crystals doped with Mg, Zn, B, Gd, Y, and Er cations and LiNbO3 single crystals codoped with Mg:Gd, Mg:Fe, Mg:Y, and Mg:Ta.

About the authors

N. V. Sidorov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center

Author for correspondence.
Email: sidorov@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Murmansk oblast, 184209

M. N. Palatnikov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center

Email: sidorov@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Murmansk oblast, 184209

N. A. Teplyakova

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center

Email: sidorov@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Murmansk oblast, 184209

A. V. Syuy

Far Eastern State Transport University

Email: sidorov@chemy.kolasc.net.ru
Russian Federation, ul. Serysheva 47, Khabarovsk, 680021

E. O. Kile

Far Eastern State Transport University

Email: sidorov@chemy.kolasc.net.ru
Russian Federation, ul. Serysheva 47, Khabarovsk, 680021

D. S. Shtarev

Far Eastern State Transport University; Kosygin Institute of Tectonics and Geophysics, Far East Branch

Email: sidorov@chemy.kolasc.net.ru
Russian Federation, ul. Serysheva 47, Khabarovsk, 680021; ul. Kim Yu Chena 65, Khabarovsk, 680000

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