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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.

In: Journal of Solid State Chemistry, Vol. 274, 01.06.2019, p. 259-264.

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@article{355cefadd3a04bf087ffcee6ff933877,
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 = jun,
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",

}

RIS

TY - JOUR

T1 - Electronic structure of diluted SrFe x Ti 1-x O 3-δ solid solutions

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

UR - http://www.scopus.com/inward/record.url?scp=85063396469&partnerID=8YFLogxK

U2 - 10.1016/j.jssc.2019.03.029

DO - 10.1016/j.jssc.2019.03.029

M3 - Article

AN - SCOPUS:85063396469

VL - 274

SP - 259

EP - 264

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

ER -

ID: 40748735