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Preparation and Investigation of Compounds with the 114-Type Structure in the Y-Sc-Ba-Co-O System. / Kameneva, M. Yu; Kozeeva, L. P.; Lavrov, A. N. et al.

In: Journal of Structural Chemistry, Vol. 61, No. 1, 01.01.2020, p. 29-43.

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

Harvard

Kameneva, MY, Kozeeva, LP, Lavrov, AN, Komarov, VY, Podberezskaya, NV, Kuchumov, BM & Rudina, NA 2020, 'Preparation and Investigation of Compounds with the 114-Type Structure in the Y-Sc-Ba-Co-O System', Journal of Structural Chemistry, vol. 61, no. 1, pp. 29-43. https://doi.org/10.1134/S0022476620010047

APA

Kameneva, M. Y., Kozeeva, L. P., Lavrov, A. N., Komarov, V. Y., Podberezskaya, N. V., Kuchumov, B. M., & Rudina, N. A. (2020). Preparation and Investigation of Compounds with the 114-Type Structure in the Y-Sc-Ba-Co-O System. Journal of Structural Chemistry, 61(1), 29-43. https://doi.org/10.1134/S0022476620010047

Vancouver

Kameneva MY, Kozeeva LP, Lavrov AN, Komarov VY, Podberezskaya NV, Kuchumov BM et al. Preparation and Investigation of Compounds with the 114-Type Structure in the Y-Sc-Ba-Co-O System. Journal of Structural Chemistry. 2020 Jan 1;61(1):29-43. doi: 10.1134/S0022476620010047

Author

Kameneva, M. Yu ; Kozeeva, L. P. ; Lavrov, A. N. et al. / Preparation and Investigation of Compounds with the 114-Type Structure in the Y-Sc-Ba-Co-O System. In: Journal of Structural Chemistry. 2020 ; Vol. 61, No. 1. pp. 29-43.

BibTeX

@article{af5c22846d67481a98b8db73e27dd115,
title = "Preparation and Investigation of Compounds with the 114-Type Structure in the Y-Sc-Ba-Co-O System",
abstract = "The processes of phase formation in the Y-Ba-Co-O system doped with scandium are studied in the region of compositions 1:1:4:7. The mechanism of interaction of initial reagents changes with scandium concentration: at low scandium contents, the (Y1−yScy)BaCo4O7+x (R114) doped oxide is formed, similarly to the undoped system, through the YBaCo2O5+x (R112) phase; at significantly higher scandium contents (≥0.2), the role of the intermediate and the competing phase is played by BaCo1−yScyO3−x representing a number of solid solutions which are stable in wide ranges of temperatures and scandium contents. It is shown that scandium in the R114 structure preferably occupies the yttrium position (Y1−yScyBaCo4O7+x), and the maximum degree of substitution is ymax ≈ 0.3–0.35. When yttrium is substituted with a smaller (in terms of ionic radii) scandium atom, the size of the unit cell diminishes nearly isotropically, the maximum change of its volume being 2.0% (from 353.0 {\AA}3 to 345.9 {\AA}3).",
keywords = "cationic substitutions, ceramics, cobaltates, crystal structure, phase formation, Sc, single crystals, CRYSTAL-STRUCTURE, BEHAVIOR, LU, REFINEMENT, RARE-EARTH, DIFFRACTION, YBACO4O7+DELTA, PROGRAM",
author = "Kameneva, {M. Yu} and Kozeeva, {L. P.} and Lavrov, {A. N.} and Komarov, {V. Yu} and Podberezskaya, {N. V.} and Kuchumov, {B. M.} and Rudina, {N. A.}",
year = "2020",
month = jan,
day = "1",
doi = "10.1134/S0022476620010047",
language = "English",
volume = "61",
pages = "29--43",
journal = "Journal of Structural Chemistry",
issn = "0022-4766",
publisher = "Springer GmbH & Co, Auslieferungs-Gesellschaf",
number = "1",

}

RIS

TY - JOUR

T1 - Preparation and Investigation of Compounds with the 114-Type Structure in the Y-Sc-Ba-Co-O System

AU - Kameneva, M. Yu

AU - Kozeeva, L. P.

AU - Lavrov, A. N.

AU - Komarov, V. Yu

AU - Podberezskaya, N. V.

AU - Kuchumov, B. M.

AU - Rudina, N. A.

PY - 2020/1/1

Y1 - 2020/1/1

N2 - The processes of phase formation in the Y-Ba-Co-O system doped with scandium are studied in the region of compositions 1:1:4:7. The mechanism of interaction of initial reagents changes with scandium concentration: at low scandium contents, the (Y1−yScy)BaCo4O7+x (R114) doped oxide is formed, similarly to the undoped system, through the YBaCo2O5+x (R112) phase; at significantly higher scandium contents (≥0.2), the role of the intermediate and the competing phase is played by BaCo1−yScyO3−x representing a number of solid solutions which are stable in wide ranges of temperatures and scandium contents. It is shown that scandium in the R114 structure preferably occupies the yttrium position (Y1−yScyBaCo4O7+x), and the maximum degree of substitution is ymax ≈ 0.3–0.35. When yttrium is substituted with a smaller (in terms of ionic radii) scandium atom, the size of the unit cell diminishes nearly isotropically, the maximum change of its volume being 2.0% (from 353.0 Å3 to 345.9 Å3).

AB - The processes of phase formation in the Y-Ba-Co-O system doped with scandium are studied in the region of compositions 1:1:4:7. The mechanism of interaction of initial reagents changes with scandium concentration: at low scandium contents, the (Y1−yScy)BaCo4O7+x (R114) doped oxide is formed, similarly to the undoped system, through the YBaCo2O5+x (R112) phase; at significantly higher scandium contents (≥0.2), the role of the intermediate and the competing phase is played by BaCo1−yScyO3−x representing a number of solid solutions which are stable in wide ranges of temperatures and scandium contents. It is shown that scandium in the R114 structure preferably occupies the yttrium position (Y1−yScyBaCo4O7+x), and the maximum degree of substitution is ymax ≈ 0.3–0.35. When yttrium is substituted with a smaller (in terms of ionic radii) scandium atom, the size of the unit cell diminishes nearly isotropically, the maximum change of its volume being 2.0% (from 353.0 Å3 to 345.9 Å3).

KW - cationic substitutions

KW - ceramics

KW - cobaltates

KW - crystal structure

KW - phase formation

KW - Sc

KW - single crystals

KW - CRYSTAL-STRUCTURE

KW - BEHAVIOR

KW - LU

KW - REFINEMENT

KW - RARE-EARTH

KW - DIFFRACTION

KW - YBACO4O7+DELTA

KW - PROGRAM

UR - http://www.scopus.com/inward/record.url?scp=85087986519&partnerID=8YFLogxK

U2 - 10.1134/S0022476620010047

DO - 10.1134/S0022476620010047

M3 - Article

AN - SCOPUS:85087986519

VL - 61

SP - 29

EP - 43

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 1

ER -

ID: 24783970