Standard

Phase Transformations in the Mn–Ga–O System Depending on the Preparation Conditions. / Venediktova, O. S.; Bulavchenko, O. A.; Afonasenko, T. N. et al.

In: Journal of Structural Chemistry, Vol. 59, No. 7, 01.12.2018, p. 1631-1638.

Research output: Contribution to journal › Article › peer-review

Harvard

Venediktova, OS, Bulavchenko, OA, Afonasenko, TN, Tsysul’nikov, PG, Gerasimov, EY & Tsybulya, SV 2018, 'Phase Transformations in the Mn–Ga–O System Depending on the Preparation Conditions', Journal of Structural Chemistry, vol. 59, no. 7, pp. 1631-1638. https://doi.org/10.1134/S0022476618070156

APA

Venediktova, O. S., Bulavchenko, O. A., Afonasenko, T. N., Tsysul’nikov, P. G., Gerasimov, E. Y., & Tsybulya, S. V. (2018). Phase Transformations in the Mn–Ga–O System Depending on the Preparation Conditions. Journal of Structural Chemistry, 59(7), 1631-1638. https://doi.org/10.1134/S0022476618070156

Vancouver

Venediktova OS, Bulavchenko OA, Afonasenko TN, Tsysul’nikov PG, Gerasimov EY, Tsybulya SV. Phase Transformations in the Mn–Ga–O System Depending on the Preparation Conditions. Journal of Structural Chemistry. 2018 Dec 1;59(7):1631-1638. doi: 10.1134/S0022476618070156

Author

Venediktova, O. S. ; Bulavchenko, O. A. ; Afonasenko, T. N. et al. / Phase Transformations in the Mn–Ga–O System Depending on the Preparation Conditions. In: Journal of Structural Chemistry. 2018 ; Vol. 59, No. 7. pp. 1631-1638.

BibTeX

@article{a5481200af004b08b921e4e2507f320b,
title = "Phase Transformations in the Mn–Ga–O System Depending on the Preparation Conditions",
abstract = "Manganese-gallium samples with cation ratios Mn:Ga = 1:2, 1.5:1.5, and 2:1 are synthesized by coprecipitation with subsequent annealing in air in a temperature range 600–1200 °C. Powder XRD, TEM, and BET methods are used to study the physicochemical characteristics of the samples. It is found that in the air at the annealing temperature of 600 °C finely dispersed low-temperature Mn3–xGaxO4 spinels primarily form in all series, but in the whole temperature range (600–1200 °C) the system is multiphase. Annealing at 800–1200 °C leads to an increase in the concentration of simple oxides (β-Mn3O4 and β-Ga2O3). Only simple α-Mn2O3 and β-Ga2O3 oxides exist in a Mn:Ga = 2:1 series at 800 °C. In the sample with a cation ratio Mn:Ga = 1.5:1.5 annealed in air at 1000 °C, the formation of a superstructure based on the spinel structure is found.",
keywords = "manganese-containing double oxides, manganese-gallium spinel, phase transformations, powder X-ray diffraction, TEMPERATURE X-RAY, MANGANESE, POLYMORPHS",
author = "Venediktova, {O. S.} and Bulavchenko, {O. A.} and Afonasenko, {T. N.} and Tsysul{\textquoteright}nikov, {P. G.} and Gerasimov, {E. Yu} and Tsybulya, {S. V.}",
year = "2018",
month = dec,
day = "1",
doi = "10.1134/S0022476618070156",
language = "English",
volume = "59",
pages = "1631--1638",
journal = "Journal of Structural Chemistry",
issn = "0022-4766",
publisher = "Springer GmbH & Co, Auslieferungs-Gesellschaf",
number = "7",

}

RIS

TY - JOUR

T1 - Phase Transformations in the Mn–Ga–O System Depending on the Preparation Conditions

AU - Venediktova, O. S.

AU - Bulavchenko, O. A.

AU - Afonasenko, T. N.

AU - Tsysul’nikov, P. G.

AU - Gerasimov, E. Yu

AU - Tsybulya, S. V.

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Manganese-gallium samples with cation ratios Mn:Ga = 1:2, 1.5:1.5, and 2:1 are synthesized by coprecipitation with subsequent annealing in air in a temperature range 600–1200 °C. Powder XRD, TEM, and BET methods are used to study the physicochemical characteristics of the samples. It is found that in the air at the annealing temperature of 600 °C finely dispersed low-temperature Mn3–xGaxO4 spinels primarily form in all series, but in the whole temperature range (600–1200 °C) the system is multiphase. Annealing at 800–1200 °C leads to an increase in the concentration of simple oxides (β-Mn3O4 and β-Ga2O3). Only simple α-Mn2O3 and β-Ga2O3 oxides exist in a Mn:Ga = 2:1 series at 800 °C. In the sample with a cation ratio Mn:Ga = 1.5:1.5 annealed in air at 1000 °C, the formation of a superstructure based on the spinel structure is found.

AB - Manganese-gallium samples with cation ratios Mn:Ga = 1:2, 1.5:1.5, and 2:1 are synthesized by coprecipitation with subsequent annealing in air in a temperature range 600–1200 °C. Powder XRD, TEM, and BET methods are used to study the physicochemical characteristics of the samples. It is found that in the air at the annealing temperature of 600 °C finely dispersed low-temperature Mn3–xGaxO4 spinels primarily form in all series, but in the whole temperature range (600–1200 °C) the system is multiphase. Annealing at 800–1200 °C leads to an increase in the concentration of simple oxides (β-Mn3O4 and β-Ga2O3). Only simple α-Mn2O3 and β-Ga2O3 oxides exist in a Mn:Ga = 2:1 series at 800 °C. In the sample with a cation ratio Mn:Ga = 1.5:1.5 annealed in air at 1000 °C, the formation of a superstructure based on the spinel structure is found.

KW - manganese-containing double oxides

KW - manganese-gallium spinel

KW - phase transformations

KW - powder X-ray diffraction

KW - TEMPERATURE X-RAY

KW - MANGANESE

KW - POLYMORPHS

UR - http://www.scopus.com/inward/record.url?scp=85058656932&partnerID=8YFLogxK

U2 - 10.1134/S0022476618070156

DO - 10.1134/S0022476618070156

M3 - Article

AN - SCOPUS:85058656932

VL - 59

SP - 1631

EP - 1638

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 7

ER -

ID: 17877825