Ionic and phase compositions of nanosized Y2.5Ce0.5Fe2.5Ga2.5O12 film on Gd3Ga5O12 substrate

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Abstract

The ionic and phase compositions of the nanosized Y2.5Ce0.5Fe2.5Ga2.5O12 ferrogarnet film obtained by double ion-beam deposition/sputtering on a Gd3Ga5O12 substrate were studied using X-ray diffraction analysis and X-ray photoelectron spectroscopy. The target for film production was obtained by gel combustion followed by annealing in vacuum. The X-ray diffraction results confirmed the phase homogeneity of Y2.5Ce0.5Fe2.5Ga2.5O12 both in powder and in films form and the absence of cerium dioxide impurity. At the same time, according to X-ray photoelectron spectroscopy, along with Ce3+, Ce4+ ions are present on the surface of the Y2.5Ce0.5Fe2.5Ga2.5O12 film.

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About the authors

Yu. A. Teterin

Lomonosov Moscow State University; National Research Center “Kurchatov Institute”

Author for correspondence.
Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 119991; Moscow, 123182

K. I. Maslakov

Lomonosov Moscow State University

Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 119991

A. I. Serokurovа

Scientific and Practical Center on Materials Science, National Academy of Sciences of Belarus

Email: ketsko@igic.ras.ru
Belarus, Minsk, 220072

M. N. Smirnova

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 199191

G. E. Nikiforova

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 199191

N. N. Novitskiy

Scientific and Practical Center on Materials Science, National Academy of Sciences of Belarus

Email: ketsko@igic.ras.ru
Belarus, Minsk, 220072

S. A. Sharko

Scientific and Practical Center on Materials Science, National Academy of Sciences of Belarus

Email: ketsko@igic.ras.ru
Belarus, Minsk, 220072

A. Y. Teterin

Lomonosov Moscow State University

Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 119991

M. N. Markelova

Lomonosov Moscow State University

Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 119991

V. A. Amelichev

OOO “S-Innovations”

Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 117246

V. A. Ketsko

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: ketsko@igic.ras.ru
Russian Federation, Moscow, 199191

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Supplementary files

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2. Fig. 1. Powder diffraction pattern of the YCFG sample.

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3. Fig. 2. Diffraction pattern of the YCFG film on the single-crystal GGG (111) substrate.

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4. Fig. 3. Surface image of the YCFG film with a thickness of ~80 nm and its cross section (in the inset).

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5. Fig. 4. XPS spectrum of O1s electrons of the film: a - initial sample; b - after cleaning with Ar+ ions.

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6. Fig. 5. XPS spectrum of Fe2p electrons of the film: a - initial sample; b - after cleaning with Ar+ ions.

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7. Fig. 6. XPS spectra of Fe3s, Ga3p, and Ce4d electrons of the film: a - initial sample; b - after cleaning with Ar+ ions.

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8. Fig. 7. XPS spectra of Ce3d electrons of the film: a - initial sample; b - after cleaning with Ar+ ions.

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