Reconstructed stacking faults in cobalt-doped hexagonal LuFeO3 revealed by mapping of cation distribution at the atomic scale

Andrew R. Akbashev; Vladimir V. Roddatis; Alexander L. Vasiliev; Sergei Lopatin; Anna S. Semisalova; Nikolai S. Perov; Vadim A. Amelichev; Andrey R. Kaul

doi:10.1039/c2ce25294e

Reconstructed stacking faults in cobalt-doped hexagonal LuFeO₃ revealed by mapping of cation distribution at the atomic scale

Andrew R. Akbashev^*, Vladimir V. Roddatis, Alexander L. Vasiliev, Sergei Lopatin, Anna S. Semisalova, Nikolai S. Perov, Vadim A. Amelichev, Andrey R. Kaul

^*Corresponding author for this work

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

11 Scopus citations

Abstract

The structure of an epitaxial thin film of cobalt-doped hexagonal LuFeO₃ was studied by aberration-corrected high-resolution scanning transmission electron microscopy. The distribution maps of the chemical elements in the film were obtained using atomically resolved energy-dispersive X-ray spectroscopy. The study showed that cobalt ions have a strong tendency towards forming double layers of (Fe/Co)O_2.5 between the Lu-O layers in a hexagonal structure. A significantly smaller amount of cobalt is found in single layers of FeO_1.5, suggesting the presence of a trigonal-bipyramidal coordination of cobalt. The hexagonal LuFeO₃ structure contains numerous reconstructed stacking faults that represent intergrown structural fragments of LuFe_2-xCo_xO₄. Magnetization measurements revealed a decrease in the magnetic transition temperature of the LuFe_0.7Co_0.3O₃ thin film compared to those of the parent hexagonal LuFeO₃ and LuFe_2-xCo _xO₄ forms.

Original language	English (US)
Pages (from-to)	5373-5376
Number of pages	4
Journal	CRYSTENGCOMM
Volume	14
Issue number	17
DOIs	https://doi.org/10.1039/c2ce25294e
State	Published - Sep 7 2012
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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@article{d14cd80a00d94ff796622d7cd935ab26,

title = "Reconstructed stacking faults in cobalt-doped hexagonal LuFeO3 revealed by mapping of cation distribution at the atomic scale",

abstract = "The structure of an epitaxial thin film of cobalt-doped hexagonal LuFeO3 was studied by aberration-corrected high-resolution scanning transmission electron microscopy. The distribution maps of the chemical elements in the film were obtained using atomically resolved energy-dispersive X-ray spectroscopy. The study showed that cobalt ions have a strong tendency towards forming double layers of (Fe/Co)O2.5 between the Lu-O layers in a hexagonal structure. A significantly smaller amount of cobalt is found in single layers of FeO1.5, suggesting the presence of a trigonal-bipyramidal coordination of cobalt. The hexagonal LuFeO3 structure contains numerous reconstructed stacking faults that represent intergrown structural fragments of LuFe2-xCoxO4. Magnetization measurements revealed a decrease in the magnetic transition temperature of the LuFe0.7Co0.3O3 thin film compared to those of the parent hexagonal LuFeO3 and LuFe2-xCo xO4 forms.",

author = "Akbashev, {Andrew R.} and Roddatis, {Vladimir V.} and Vasiliev, {Alexander L.} and Sergei Lopatin and Semisalova, {Anna S.} and Perov, {Nikolai S.} and Amelichev, {Vadim A.} and Kaul, {Andrey R.}",

year = "2012",

month = sep,

day = "7",

doi = "10.1039/c2ce25294e",

language = "English (US)",

volume = "14",

pages = "5373--5376",

journal = "CRYSTENGCOMM",

issn = "1466-8033",

publisher = "Royal Society of Chemistry",

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TY - JOUR

T1 - Reconstructed stacking faults in cobalt-doped hexagonal LuFeO3 revealed by mapping of cation distribution at the atomic scale

AU - Akbashev, Andrew R.

AU - Roddatis, Vladimir V.

AU - Vasiliev, Alexander L.

AU - Lopatin, Sergei

AU - Semisalova, Anna S.

AU - Perov, Nikolai S.

AU - Amelichev, Vadim A.

AU - Kaul, Andrey R.

PY - 2012/9/7

Y1 - 2012/9/7

N2 - The structure of an epitaxial thin film of cobalt-doped hexagonal LuFeO3 was studied by aberration-corrected high-resolution scanning transmission electron microscopy. The distribution maps of the chemical elements in the film were obtained using atomically resolved energy-dispersive X-ray spectroscopy. The study showed that cobalt ions have a strong tendency towards forming double layers of (Fe/Co)O2.5 between the Lu-O layers in a hexagonal structure. A significantly smaller amount of cobalt is found in single layers of FeO1.5, suggesting the presence of a trigonal-bipyramidal coordination of cobalt. The hexagonal LuFeO3 structure contains numerous reconstructed stacking faults that represent intergrown structural fragments of LuFe2-xCoxO4. Magnetization measurements revealed a decrease in the magnetic transition temperature of the LuFe0.7Co0.3O3 thin film compared to those of the parent hexagonal LuFeO3 and LuFe2-xCo xO4 forms.

AB - The structure of an epitaxial thin film of cobalt-doped hexagonal LuFeO3 was studied by aberration-corrected high-resolution scanning transmission electron microscopy. The distribution maps of the chemical elements in the film were obtained using atomically resolved energy-dispersive X-ray spectroscopy. The study showed that cobalt ions have a strong tendency towards forming double layers of (Fe/Co)O2.5 between the Lu-O layers in a hexagonal structure. A significantly smaller amount of cobalt is found in single layers of FeO1.5, suggesting the presence of a trigonal-bipyramidal coordination of cobalt. The hexagonal LuFeO3 structure contains numerous reconstructed stacking faults that represent intergrown structural fragments of LuFe2-xCoxO4. Magnetization measurements revealed a decrease in the magnetic transition temperature of the LuFe0.7Co0.3O3 thin film compared to those of the parent hexagonal LuFeO3 and LuFe2-xCo xO4 forms.

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U2 - 10.1039/c2ce25294e

DO - 10.1039/c2ce25294e

M3 - Article

AN - SCOPUS:84872569420

SN - 1466-8033

VL - 14

SP - 5373

EP - 5376

JO - CRYSTENGCOMM

JF - CRYSTENGCOMM

IS - 17

ER -

Reconstructed stacking faults in cobalt-doped hexagonal LuFeO₃ revealed by mapping of cation distribution at the atomic scale

Abstract

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