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Сr-doped bismuth tantalate pyrochlore: Electrical and thermal properties, crystal structure and ESR, NEXAFS, XPS spectroscopy. / Zhuk, N. A.; Sekushin, N. A.; Krzhizhanovskaya, M. G.; Koroleva, A. V.; Reveguk, A. A.; Nekipelov, S. V.; Sivkov, D. V.; Lutoev, V. P.; Makeev, B. A.; Kharton, V. V.; Lebedev, A. M.; Chumakov, R. G.; Koksharova, K. D.; Shpynova, A. D.

In: Materials Research Bulletin, Vol. 158, 112067, 02.2023.

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

Harvard

Zhuk, NA, Sekushin, NA, Krzhizhanovskaya, MG, Koroleva, AV, Reveguk, AA, Nekipelov, SV, Sivkov, DV, Lutoev, VP, Makeev, BA, Kharton, VV, Lebedev, AM, Chumakov, RG, Koksharova, KD & Shpynova, AD 2023, 'Сr-doped bismuth tantalate pyrochlore: Electrical and thermal properties, crystal structure and ESR, NEXAFS, XPS spectroscopy', Materials Research Bulletin, vol. 158, 112067. https://doi.org/10.1016/j.materresbull.2022.112067

APA

Zhuk, N. A., Sekushin, N. A., Krzhizhanovskaya, M. G., Koroleva, A. V., Reveguk, A. A., Nekipelov, S. V., Sivkov, D. V., Lutoev, V. P., Makeev, B. A., Kharton, V. V., Lebedev, A. M., Chumakov, R. G., Koksharova, K. D., & Shpynova, A. D. (2023). Сr-doped bismuth tantalate pyrochlore: Electrical and thermal properties, crystal structure and ESR, NEXAFS, XPS spectroscopy. Materials Research Bulletin, 158, [112067]. https://doi.org/10.1016/j.materresbull.2022.112067

Vancouver

Zhuk NA, Sekushin NA, Krzhizhanovskaya MG, Koroleva AV, Reveguk AA, Nekipelov SV et al. Сr-doped bismuth tantalate pyrochlore: Electrical and thermal properties, crystal structure and ESR, NEXAFS, XPS spectroscopy. Materials Research Bulletin. 2023 Feb;158. 112067. https://doi.org/10.1016/j.materresbull.2022.112067

Author

Zhuk, N. A. ; Sekushin, N. A. ; Krzhizhanovskaya, M. G. ; Koroleva, A. V. ; Reveguk, A. A. ; Nekipelov, S. V. ; Sivkov, D. V. ; Lutoev, V. P. ; Makeev, B. A. ; Kharton, V. V. ; Lebedev, A. M. ; Chumakov, R. G. ; Koksharova, K. D. ; Shpynova, A. D. / Сr-doped bismuth tantalate pyrochlore: Electrical and thermal properties, crystal structure and ESR, NEXAFS, XPS spectroscopy. In: Materials Research Bulletin. 2023 ; Vol. 158.

BibTeX

@article{f7c54b8f98b142e6b132a85e2ae2bd09,
title = "Сr-doped bismuth tantalate pyrochlore: Electrical and thermal properties, crystal structure and ESR, NEXAFS, XPS spectroscopy",
abstract = "The Bi1.6Сr0.8Ta1.6O7±Δ pyrochlore was synthesized by the solid-phase method (sp. gr. Fd-3m:2, 10.45523(3) {\AA}, Z = 8). The thermal stability of the pyrochlore in air up to 1140 °C has been established. With increasing temperature (30–1200 °C), the unit cell parameter and the thermal expansion coefficient increase isotropically, although weakly from 10.4413 to 10.5255 {\AA} and 4.6 × 10−6 to 9.2 × 10−6 °C − 1. The electron spin resonance spectrum of the Bi1.6Сr0.8Ta1.6O7±Δ contains an intense Lorentz-shaped band (g∼2.05) with a width of ΔBPP∼160 mT. According to X-ray absorption fine structure and X-ray photoelectron spectroscopy, the ions are in the charge states Bi(+3), Ta(+5-δ), Cr(+3). The sample contains shallow traps with a depth of 0.39 eV and deep traps with an energy of 1.7 eV. At temperatures above 400 °C, ion transfer begins to dominate, which is revealed in a decrease in the conductivity activation energy to 0.78 eV.",
keywords = "Bismuth tantalate pyrochlore, Chrome doping, Electrical properties, Thermal expansion, XPS and NEXAFS spectroscopy",
author = "Zhuk, {N. A.} and Sekushin, {N. A.} and Krzhizhanovskaya, {M. G.} and Koroleva, {A. V.} and Reveguk, {A. A.} and Nekipelov, {S. V.} and Sivkov, {D. V.} and Lutoev, {V. P.} and Makeev, {B. A.} and Kharton, {V. V.} and Lebedev, {A. M.} and Chumakov, {R. G.} and Koksharova, {K. D.} and Shpynova, {A. D.}",
note = "Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd",
year = "2023",
month = feb,
doi = "10.1016/j.materresbull.2022.112067",
language = "English",
volume = "158",
journal = "Materials Research Bulletin",
issn = "0025-5408",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Сr-doped bismuth tantalate pyrochlore: Electrical and thermal properties, crystal structure and ESR, NEXAFS, XPS spectroscopy

AU - Zhuk, N. A.

AU - Sekushin, N. A.

AU - Krzhizhanovskaya, M. G.

AU - Koroleva, A. V.

AU - Reveguk, A. A.

AU - Nekipelov, S. V.

AU - Sivkov, D. V.

AU - Lutoev, V. P.

AU - Makeev, B. A.

AU - Kharton, V. V.

AU - Lebedev, A. M.

AU - Chumakov, R. G.

AU - Koksharova, K. D.

AU - Shpynova, A. D.

N1 - Publisher Copyright: © 2022 Elsevier Ltd

PY - 2023/2

Y1 - 2023/2

N2 - The Bi1.6Сr0.8Ta1.6O7±Δ pyrochlore was synthesized by the solid-phase method (sp. gr. Fd-3m:2, 10.45523(3) Å, Z = 8). The thermal stability of the pyrochlore in air up to 1140 °C has been established. With increasing temperature (30–1200 °C), the unit cell parameter and the thermal expansion coefficient increase isotropically, although weakly from 10.4413 to 10.5255 Å and 4.6 × 10−6 to 9.2 × 10−6 °C − 1. The electron spin resonance spectrum of the Bi1.6Сr0.8Ta1.6O7±Δ contains an intense Lorentz-shaped band (g∼2.05) with a width of ΔBPP∼160 mT. According to X-ray absorption fine structure and X-ray photoelectron spectroscopy, the ions are in the charge states Bi(+3), Ta(+5-δ), Cr(+3). The sample contains shallow traps with a depth of 0.39 eV and deep traps with an energy of 1.7 eV. At temperatures above 400 °C, ion transfer begins to dominate, which is revealed in a decrease in the conductivity activation energy to 0.78 eV.

AB - The Bi1.6Сr0.8Ta1.6O7±Δ pyrochlore was synthesized by the solid-phase method (sp. gr. Fd-3m:2, 10.45523(3) Å, Z = 8). The thermal stability of the pyrochlore in air up to 1140 °C has been established. With increasing temperature (30–1200 °C), the unit cell parameter and the thermal expansion coefficient increase isotropically, although weakly from 10.4413 to 10.5255 Å and 4.6 × 10−6 to 9.2 × 10−6 °C − 1. The electron spin resonance spectrum of the Bi1.6Сr0.8Ta1.6O7±Δ contains an intense Lorentz-shaped band (g∼2.05) with a width of ΔBPP∼160 mT. According to X-ray absorption fine structure and X-ray photoelectron spectroscopy, the ions are in the charge states Bi(+3), Ta(+5-δ), Cr(+3). The sample contains shallow traps with a depth of 0.39 eV and deep traps with an energy of 1.7 eV. At temperatures above 400 °C, ion transfer begins to dominate, which is revealed in a decrease in the conductivity activation energy to 0.78 eV.

KW - Bismuth tantalate pyrochlore

KW - Chrome doping

KW - Electrical properties

KW - Thermal expansion

KW - XPS and NEXAFS spectroscopy

UR - http://www.scopus.com/inward/record.url?scp=85140472809&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/f606c5f4-94f9-3799-8183-a7d76b872a3e/

U2 - 10.1016/j.materresbull.2022.112067

DO - 10.1016/j.materresbull.2022.112067

M3 - Article

AN - SCOPUS:85140472809

VL - 158

JO - Materials Research Bulletin

JF - Materials Research Bulletin

SN - 0025-5408

M1 - 112067

ER -

ID: 100000395