Study of flux crystal growth peculiarities, structure and Raman spectra of double (Mn,Ni)3BO5 and triple (Mn,Ni,Cu)3BO5 oxyborates with ludwigite structure

Evgeniya Moshkina; Asya Bovina; Maxim Molokeev; Alexander Krylov; Alexander Shabanov; Artem Chernyshov; Svetlana Sofronova

doi:10.1039/D1CE00750E

Study of flux crystal growth peculiarities, structure and Raman spectra of double (Mn,Ni)₃BO₅ and triple (Mn,Ni,Cu)₃BO₅ oxyborates with ludwigite structure†

Evgeniya Moshkina,

*^a Asya Bovina,^a Maxim Molokeev,

^abc Alexander Krylov,

^a Alexander Shabanov,^ad Artem Chernyshov^ae and Svetlana Sofronova^a

Author affiliations

* Corresponding authors

^a Kirensky Institute of Physics, 660036 Krasnoyarsk, Russia
E-mail: ekoles@iph.krasn.ru

^b Siberian Federal University, Krasnoyarsk, Russia

^c Research and Development Department, Kemerovo State University, Kemerovo, Russia

^d Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, 660036 Krasnoyarsk, Russia

^e Reshetnev Siberian State University of Science and Technology, 660037 Krasnoyarsk, Russia

Abstract

Crystallization of heterovalent double (Mn,Ni)₃BO₅ and triple (Mn,Ni,Cu)₃BO₅ oxyborates with the ludwigite structure is studied in fluxes based on Bi₂Mo₃O₁₂ diluted with Na₂CO₃ or Li₂CO₃ carbonates. Single crystals of five (Mn,Ni)₃BO₅ and three (Mn,Ni,Cu)₃BO₅ compounds with different cation ratios are obtained. The ion concentration is determined from the analysis of the lattice parameters by powder and single crystal XRD. The comparative analysis of the polarized Raman spectra of double and triple ludwigites is presented. The actual high nickel and small copper concentrations in the crystals are discussed. The hierarchy of chemical bonds in the fluxes used in addition to the approach involving stabilization of the manganese valence state using solvent components is estimated.

This article is part of the themed collection: Crystal Growth

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Article information

DOI: https://doi.org/10.1039/D1CE00750E
Article type: Paper
Submitted: 07 Jun 2021
Accepted: 26 Jun 2021
First published: 06 Jul 2021

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CrystEngComm, 2021,23, 5624-5635

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Study of flux crystal growth peculiarities, structure and Raman spectra of double (Mn,Ni)₃BO₅ and triple (Mn,Ni,Cu)₃BO₅ oxyborates with ludwigite structure

E. Moshkina, A. Bovina, M. Molokeev, A. Krylov, A. Shabanov, A. Chernyshov and S. Sofronova, CrystEngComm, 2021, 23, 5624 DOI: 10.1039/D1CE00750E

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