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Peculiarities in the formation of spinels with the composition Mn-Al = 1 : 1 in oxidizing, inert or reducing media. / Bulavchenko, Olga A.; Afonasenko, Tatyana N.; Tsyrul'nikov, Pavel G. et al.

In: Materials Chemistry and Physics, Vol. 216, 01.09.2018, p. 37-41.

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Bulavchenko OA, Afonasenko TN, Tsyrul'nikov PG, Cherepanova SV, Tsybulya SV. Peculiarities in the formation of spinels with the composition Mn-Al = 1: 1 in oxidizing, inert or reducing media. Materials Chemistry and Physics. 2018 Sept 1;216:37-41. doi: 10.1016/j.matchemphys.2018.05.034

Author

Bulavchenko, Olga A. ; Afonasenko, Tatyana N. ; Tsyrul'nikov, Pavel G. et al. / Peculiarities in the formation of spinels with the composition Mn-Al = 1 : 1 in oxidizing, inert or reducing media. In: Materials Chemistry and Physics. 2018 ; Vol. 216. pp. 37-41.

BibTeX

@article{04a9131ec59f42fe9336d642bbb57c37,
title = "Peculiarities in the formation of spinels with the composition Mn-Al = 1: 1 in oxidizing, inert or reducing media",
abstract = "The study revealed peculiarities in the formation of mixed oxides with the Mn3-xAlxO4 spinel structure that were obtained from initial simple oxides β-Mn3O4 and γ-Al2O3 by calcination in various media at 600–1200 °C. The phase composition of the samples treated in air, argon or hydrogen was investigated using ex situ and in situ X-ray diffraction. It was shown that the occurrence of phase transformations depends on the treatment conditions and is related to the charge state of manganese cations. A scheme of the structural transformations induced by temperature and medium was proposed. The formation temperature of spinel was found to decreases from 950 to 600 °C when the oxidizing medium is replaced by the reducing one. Mn3-xAlxO4 spinel (x ∼ 1.5) was produced in air at temperatures above 1050 °C or in an inert medium at 800–1200 °C.",
keywords = "Aluminum oxide, In situ XRD, Manganese oxide, Phase transformation, Spinel, COMBUSTION, TOTAL OXIDATION CATALYSTS, MN-AL-O, CO OXIDATION, MANGANESE OXIDE, ALUMINA, PHASE-COMPOSITION, THERMAL-ACTIVATION, X-RAY, MN1.5AL1.5O4",
author = "Bulavchenko, {Olga A.} and Afonasenko, {Tatyana N.} and Tsyrul'nikov, {Pavel G.} and Cherepanova, {Svetlana V.} and Tsybulya, {Sergey V.}",
year = "2018",
month = sep,
day = "1",
doi = "10.1016/j.matchemphys.2018.05.034",
language = "English",
volume = "216",
pages = "37--41",
journal = "Materials Chemistry and Physics",
issn = "0254-0584",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Peculiarities in the formation of spinels with the composition Mn-Al = 1

T2 - 1 in oxidizing, inert or reducing media

AU - Bulavchenko, Olga A.

AU - Afonasenko, Tatyana N.

AU - Tsyrul'nikov, Pavel G.

AU - Cherepanova, Svetlana V.

AU - Tsybulya, Sergey V.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - The study revealed peculiarities in the formation of mixed oxides with the Mn3-xAlxO4 spinel structure that were obtained from initial simple oxides β-Mn3O4 and γ-Al2O3 by calcination in various media at 600–1200 °C. The phase composition of the samples treated in air, argon or hydrogen was investigated using ex situ and in situ X-ray diffraction. It was shown that the occurrence of phase transformations depends on the treatment conditions and is related to the charge state of manganese cations. A scheme of the structural transformations induced by temperature and medium was proposed. The formation temperature of spinel was found to decreases from 950 to 600 °C when the oxidizing medium is replaced by the reducing one. Mn3-xAlxO4 spinel (x ∼ 1.5) was produced in air at temperatures above 1050 °C or in an inert medium at 800–1200 °C.

AB - The study revealed peculiarities in the formation of mixed oxides with the Mn3-xAlxO4 spinel structure that were obtained from initial simple oxides β-Mn3O4 and γ-Al2O3 by calcination in various media at 600–1200 °C. The phase composition of the samples treated in air, argon or hydrogen was investigated using ex situ and in situ X-ray diffraction. It was shown that the occurrence of phase transformations depends on the treatment conditions and is related to the charge state of manganese cations. A scheme of the structural transformations induced by temperature and medium was proposed. The formation temperature of spinel was found to decreases from 950 to 600 °C when the oxidizing medium is replaced by the reducing one. Mn3-xAlxO4 spinel (x ∼ 1.5) was produced in air at temperatures above 1050 °C or in an inert medium at 800–1200 °C.

KW - Aluminum oxide

KW - In situ XRD

KW - Manganese oxide

KW - Phase transformation

KW - Spinel

KW - COMBUSTION

KW - TOTAL OXIDATION CATALYSTS

KW - MN-AL-O

KW - CO OXIDATION

KW - MANGANESE OXIDE

KW - ALUMINA

KW - PHASE-COMPOSITION

KW - THERMAL-ACTIVATION

KW - X-RAY

KW - MN1.5AL1.5O4

UR - http://www.scopus.com/inward/record.url?scp=85049345977&partnerID=8YFLogxK

U2 - 10.1016/j.matchemphys.2018.05.034

DO - 10.1016/j.matchemphys.2018.05.034

M3 - Article

AN - SCOPUS:85049345977

VL - 216

SP - 37

EP - 41

JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

SN - 0254-0584

ER -

ID: 14318179