Comparative studies of structural features of LiNbO3:Er:Zn crystals of different genesis

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Comparative studies of double-doped LiNbO3:Er:Zn crystals of different genesis have been carried out using infrared absorption spectroscopy (in the region of OH-- group stretching vibrations) and Raman spectroscopy. A LiNbO3:Er (0,53 mol.%): Zn (4,02 mol.%) crystal obtained by solid-phase doping and a LiNbO3:Er (0,75 mol.%): Zn (3,82 mol.%) crystal obtained by homogeneous doping were used in the study. No significant changes have been recorded in the infrared absorption spectra and Raman spectra of crystals obtained using different technologies. Minor changes in the main parameters of the absorption bands with frequencies of 3483 and 3492 cm-1 have been detected in the infrared absorption spectra. This may be due to the higher concentration of zinc dopant in the LiNbO3:Er (0,53 mol.%): Zn (4,02 mol.%) crystal. Measuring the half-width parameter of the band with a frequency of 271 cm-1 in the Raman spectra of the studied crystals helped to establish that the LiNbO3:Er (0,53 mol.%): Zn (4,02 mol.%) crystal has a higher ordering of the structural units of the cation sublattice compared to the LiNbO3:Er (0,75 mol.%): Zn (3,82 mol.%) crystal.

Sobre autores

Lubov' Bobreva

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials - Subdivision of the Federal Research Centre «Kola Science Centre of the RAS

Email: l.bobreva@ksc.ru
Ph. D., Researcher, Vibrational Spectroscopy Sector of the Electronic Engineering Materials Laboratory

Roman Titov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials - Subdivision of the Federal Research Centre «Kola Science Centre of the RAS

Ph. D., Junior Researcher, Vibrational Spectroscopy Sector of the Electronic Engineering Materials Laboratory

Maxim Smirnov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials - Subdivision of the Federal Research Centre «Kola Science Centre of the RAS

Ph. D., Researcher, Vibrational Spectroscopy Sector of the Electronic Engineering Materials Laboratory

Irina Biryukova

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials - Subdivision of the Federal Research Centre «Kola Science Centre of the RAS

Ph. D., Leading Researcher, Materials of the Electronic Engineering Laboratory

Sofja Masloboeva

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials - Subdivision of the Federal Research Centre «Kola Science Centre of the RAS

Ph. D., Assistant Professor, Leading Researcher, Materials of the Electronic Engineering Laboratory

Alexander Pyatyshev

P.N. Lebedev Physical Institute of the RAS

Ph. D., Senior Researcher, Laboratory of Raman Light Scattering

Nikolay Sidorov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials - Subdivision of the Federal Research Centre «Kola Science Centre of the RAS

Dr. Sc., Professor, Chief Researcher and as Head of Vibrational Spectroscopy Sector of the Electronic Engineering Materials Laboratory

Mikhail Palatnikov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials - Subdivision of the Federal Research Centre «Kola Science Centre of the RAS

Dr. Sc., Chief Researcher and as Head of the Electronic Engineering Materials Laboratory

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