Electronic structure of diluted SrFe x Ti 1-x O 3-δ solid solutions

N. Chezhina, D. Korolev, R. Bubnova, Y. Biryukov, O. Glumov, V. Semenov

Результат исследований: Научные публикации в периодических изданияхстатья

Выдержка

The study of diluted solid solutions SrFe x Ti 1-x O 3-δ (0.01 < x < 0.10). High-temperature X-ray powder diffraction (HTXRD), Mössbauer spectra and magnetic susceptibility measurements proved that up to x = 0.015 in the solid solutions there are clusters of Fe(III) atoms, which take part in ferromagnetic exchange through oxygen vacancy starting from 200 K via F-centers and a small fraction of single Fe(IV) atoms. An increase in iron content results in the larger clusters with ferromagnetic exchange both between Fe(III)-[O]-Fe(III) and Fe(III)-O-Fe(IV). The solid solutions are mixed electron-hole-ionic conductors and may be used as sensors of the humidity of gases.

Язык оригиналаанглийский
Страницы (с-по)259-264
Число страниц6
ЖурналJournal of Solid State Chemistry
Том274
DOI
СостояниеОпубликовано - 1 июн 2019

Отпечаток

Electronic structure
Solid solutions
solid solutions
electronic structure
magnetic permeability
Atoms
Oxygen vacancies
color centers
Magnetic susceptibility
X ray powder diffraction
atoms
humidity
Atmospheric humidity
Ion exchange
Iron
conductors
Gases
iron
Electrons
sensors

Цитировать

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title = "Electronic structure of diluted SrFe x Ti 1-x O 3-δ solid solutions",
abstract = "The study of diluted solid solutions SrFe x Ti 1-x O 3-δ (0.01 < x < 0.10). High-temperature X-ray powder diffraction (HTXRD), M{\"o}ssbauer spectra and magnetic susceptibility measurements proved that up to x = 0.015 in the solid solutions there are clusters of Fe(III) atoms, which take part in ferromagnetic exchange through oxygen vacancy starting from 200 K via F-centers and a small fraction of single Fe(IV) atoms. An increase in iron content results in the larger clusters with ferromagnetic exchange both between Fe(III)-[O]-Fe(III) and Fe(III)-O-Fe(IV). The solid solutions are mixed electron-hole-ionic conductors and may be used as sensors of the humidity of gases.",
keywords = "CO, Doped strontium titanate, Electron-hole-ionic conductors, FE-DOPED SRTIO3, FUEL-CELLS, High-temperature X-ray powder diffraction (HTXRD), IONIC-CONDUCTIVITY, MAGNETIC-SUSCEPTIBILITY, Magnetic susceptibility, Mossbauer spectra, STRONTIUM, THERMAL-EXPANSION",
author = "N. Chezhina and D. Korolev and R. Bubnova and Y. Biryukov and O. Glumov and V. Semenov",
year = "2019",
month = "6",
day = "1",
doi = "10.1016/j.jssc.2019.03.029",
language = "English",
volume = "274",
pages = "259--264",
journal = "Journal of Solid State Chemistry",
issn = "0022-4596",
publisher = "Elsevier",

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Electronic structure of diluted SrFe x Ti 1-x O 3-δ solid solutions. / Chezhina, N.; Korolev, D.; Bubnova, R.; Biryukov, Y.; Glumov, O.; Semenov, V.

В: Journal of Solid State Chemistry, Том 274, 01.06.2019, стр. 259-264.

Результат исследований: Научные публикации в периодических изданияхстатья

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AU - Chezhina, N.

AU - Korolev, D.

AU - Bubnova, R.

AU - Biryukov, Y.

AU - Glumov, O.

AU - Semenov, V.

PY - 2019/6/1

Y1 - 2019/6/1

N2 - The study of diluted solid solutions SrFe x Ti 1-x O 3-δ (0.01 < x < 0.10). High-temperature X-ray powder diffraction (HTXRD), Mössbauer spectra and magnetic susceptibility measurements proved that up to x = 0.015 in the solid solutions there are clusters of Fe(III) atoms, which take part in ferromagnetic exchange through oxygen vacancy starting from 200 K via F-centers and a small fraction of single Fe(IV) atoms. An increase in iron content results in the larger clusters with ferromagnetic exchange both between Fe(III)-[O]-Fe(III) and Fe(III)-O-Fe(IV). The solid solutions are mixed electron-hole-ionic conductors and may be used as sensors of the humidity of gases.

AB - The study of diluted solid solutions SrFe x Ti 1-x O 3-δ (0.01 < x < 0.10). High-temperature X-ray powder diffraction (HTXRD), Mössbauer spectra and magnetic susceptibility measurements proved that up to x = 0.015 in the solid solutions there are clusters of Fe(III) atoms, which take part in ferromagnetic exchange through oxygen vacancy starting from 200 K via F-centers and a small fraction of single Fe(IV) atoms. An increase in iron content results in the larger clusters with ferromagnetic exchange both between Fe(III)-[O]-Fe(III) and Fe(III)-O-Fe(IV). The solid solutions are mixed electron-hole-ionic conductors and may be used as sensors of the humidity of gases.

KW - CO

KW - Doped strontium titanate

KW - Electron-hole-ionic conductors

KW - FE-DOPED SRTIO3

KW - FUEL-CELLS

KW - High-temperature X-ray powder diffraction (HTXRD)

KW - IONIC-CONDUCTIVITY

KW - MAGNETIC-SUSCEPTIBILITY

KW - Magnetic susceptibility

KW - Mossbauer spectra

KW - STRONTIUM

KW - THERMAL-EXPANSION

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DO - 10.1016/j.jssc.2019.03.029

M3 - Article

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SP - 259

EP - 264

JO - Journal of Solid State Chemistry

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