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Magnetic study of interatomic interactions, synthesis, structural and mass spectroscopy investigations of lanthanum gallate doped with cobalt and magnesium. / Korolev, D.A.; Chezhina, N.V.; Lopatin, S.I.

в: Journal of Alloys and Compounds, № 624, 2015, стр. 53-59.

Результаты исследований: Научные публикации в периодических изданияхстатья

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@article{c620fdef0de64a7cbf0b2579ea597bdc,
title = "Magnetic study of interatomic interactions, synthesis, structural and mass spectroscopy investigations of lanthanum gallate doped with cobalt and magnesium",
abstract = "For the first time by X-ray method two phases of the solid solutions LaCoxGa1-1.2xMg0.2xO3-δ and LaCoxGa1-1.5xMg0.5xO3-δ (x = 0.01 − 0.10) with different structure were found – rhombohedral and orthorhombic phases. On the basis of the data on evaporation of the components a synthetic procedure was advanced allowing the losses of cobalt to be minimized. The study of magnetic characteristics of obtained solid solutions showed the formation of high nuclearity clusters containing cobalt atoms, and also magnesium and associated vacancies even in diluted solid solutions. Clusters are characterized by a competition between ferro- and antiferromagnetic exchange interactions, whereas the long order exchange is antiferromagnetic.",
keywords = "Ceramics, Magnetic properties, Powder diffraction, Secondary ion mass spectroscopy (SMS)",
author = "D.A. Korolev and N.V. Chezhina and S.I. Lopatin",
year = "2015",
doi = "10.1016/j.jallcom.2014.11.086",
language = "English",
pages = "53--59",
journal = "Journal of Alloys and Compounds",
issn = "0925-8388",
publisher = "Elsevier",
number = "624",

}

RIS

TY - JOUR

T1 - Magnetic study of interatomic interactions, synthesis, structural and mass spectroscopy investigations of lanthanum gallate doped with cobalt and magnesium

AU - Korolev, D.A.

AU - Chezhina, N.V.

AU - Lopatin, S.I.

PY - 2015

Y1 - 2015

N2 - For the first time by X-ray method two phases of the solid solutions LaCoxGa1-1.2xMg0.2xO3-δ and LaCoxGa1-1.5xMg0.5xO3-δ (x = 0.01 − 0.10) with different structure were found – rhombohedral and orthorhombic phases. On the basis of the data on evaporation of the components a synthetic procedure was advanced allowing the losses of cobalt to be minimized. The study of magnetic characteristics of obtained solid solutions showed the formation of high nuclearity clusters containing cobalt atoms, and also magnesium and associated vacancies even in diluted solid solutions. Clusters are characterized by a competition between ferro- and antiferromagnetic exchange interactions, whereas the long order exchange is antiferromagnetic.

AB - For the first time by X-ray method two phases of the solid solutions LaCoxGa1-1.2xMg0.2xO3-δ and LaCoxGa1-1.5xMg0.5xO3-δ (x = 0.01 − 0.10) with different structure were found – rhombohedral and orthorhombic phases. On the basis of the data on evaporation of the components a synthetic procedure was advanced allowing the losses of cobalt to be minimized. The study of magnetic characteristics of obtained solid solutions showed the formation of high nuclearity clusters containing cobalt atoms, and also magnesium and associated vacancies even in diluted solid solutions. Clusters are characterized by a competition between ferro- and antiferromagnetic exchange interactions, whereas the long order exchange is antiferromagnetic.

KW - Ceramics

KW - Magnetic properties

KW - Powder diffraction

KW - Secondary ion mass spectroscopy (SMS)

U2 - 10.1016/j.jallcom.2014.11.086

DO - 10.1016/j.jallcom.2014.11.086

M3 - Article

SP - 53

EP - 59

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

IS - 624

ER -

ID: 3924725