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An unusual high-spin ground state of Co<sup>3+</sup> in octahedral coordination in brownmillerite-type cobalt oxide. / Istomin, S.Y.; Tyablikov, O.A.; Kazakov, S.M.; Antipov, E.V.; Kurbakov, A.I.; Tsirlin, A.A.; Hollmann, N.; Chin, Y.Y.; Lin, H.-J.; Chen, C.T.; Tanaka, A.; Tjeng, L.H.; Hu, Z.

In: Dalton Transactions, No. 23, 2015, p. 10708-10713.

Research output: Contribution to journal › Article

Harvard

Istomin, SY, Tyablikov, OA, Kazakov, SM, Antipov, EV, Kurbakov, AI, Tsirlin, AA, Hollmann, N, Chin, YY, Lin, H-J, Chen, CT, Tanaka, A, Tjeng, LH & Hu, Z 2015, 'An unusual high-spin ground state of Co<sup>3+</sup> in octahedral coordination in brownmillerite-type cobalt oxide', Dalton Transactions, no. 23, pp. 10708-10713. https://doi.org/10.1039/c4dt03670k

APA

Istomin, S. Y., Tyablikov, O. A., Kazakov, S. M., Antipov, E. V., Kurbakov, A. I., Tsirlin, A. A., Hollmann, N., Chin, Y. Y., Lin, H-J., Chen, C. T., Tanaka, A., Tjeng, L. H., & Hu, Z. (2015). An unusual high-spin ground state of Co<sup>3+</sup> in octahedral coordination in brownmillerite-type cobalt oxide. Dalton Transactions, (23), 10708-10713. https://doi.org/10.1039/c4dt03670k

Vancouver

Istomin SY, Tyablikov OA, Kazakov SM, Antipov EV, Kurbakov AI, Tsirlin AA et al. An unusual high-spin ground state of Co<sup>3+</sup> in octahedral coordination in brownmillerite-type cobalt oxide. Dalton Transactions. 2015;(23):10708-10713. https://doi.org/10.1039/c4dt03670k

Author

Istomin, S.Y. ; Tyablikov, O.A. ; Kazakov, S.M. ; Antipov, E.V. ; Kurbakov, A.I. ; Tsirlin, A.A. ; Hollmann, N. ; Chin, Y.Y. ; Lin, H.-J. ; Chen, C.T. ; Tanaka, A. ; Tjeng, L.H. ; Hu, Z. / An unusual high-spin ground state of Co<sup>3+</sup> in octahedral coordination in brownmillerite-type cobalt oxide. In: Dalton Transactions. 2015 ; No. 23. pp. 10708-10713.

BibTeX

@article{9285fa756f9c4719a377d152abcbe0c3,
title = "An unusual high-spin ground state of Co3+ in octahedral coordination in brownmillerite-type cobalt oxide",
abstract = "{\textcopyright} The Royal Society of Chemistry 2015.The crystal and magnetic structures of brownmillerite-like Sr2Co1.2Ga0.8O5 with a stable Co3+ oxidation state at both octahedral and tetrahedral sites are refined using neutron powder diffraction data collected at 2 K (S.G. Icmm, a = 5.6148(6) {\AA}, b = 15.702(2) {\AA}, c = 5.4543(6) {\AA}; Rwp = 0.0339, Rp = 0.0443, χ2 = 0.775). The very large tetragonal distortion of CoO6 octahedra (1.9591(4) {\AA} for Co-Oeq and 2.257(6) {\AA} for Co-Oax) could be beneficial for the stabilization of the long-sought intermediate-spin state of Co3+ in perovskite-type oxides. However, the large magnetic moment of octahedral Co3+ (3.82(7)μB) indicates the conventional high-spin state of Co3+ ions, which is further supported by the results of a combined theoretical and experimental soft X-ray absorption spectroscopy study at the Co-L2,3",
author = "S.Y. Istomin and O.A. Tyablikov and S.M. Kazakov and E.V. Antipov and A.I. Kurbakov and A.A. Tsirlin and N. Hollmann and Y.Y. Chin and H.-J. Lin and C.T. Chen and A. Tanaka and L.H. Tjeng and Z. Hu",
year = "2015",
doi = "10.1039/c4dt03670k",
language = "English",
pages = "10708--10713",
journal = "Dalton Transactions",
issn = "1477-9226",
publisher = "Royal Society of Chemistry",
number = "23",

}

RIS

TY - JOUR

T1 - An unusual high-spin ground state of Co3+ in octahedral coordination in brownmillerite-type cobalt oxide

AU - Istomin, S.Y.

AU - Tyablikov, O.A.

AU - Kazakov, S.M.

AU - Antipov, E.V.

AU - Kurbakov, A.I.

AU - Tsirlin, A.A.

AU - Hollmann, N.

AU - Chin, Y.Y.

AU - Lin, H.-J.

AU - Chen, C.T.

AU - Tanaka, A.

AU - Tjeng, L.H.

AU - Hu, Z.

PY - 2015

Y1 - 2015

N2 - © The Royal Society of Chemistry 2015.The crystal and magnetic structures of brownmillerite-like Sr2Co1.2Ga0.8O5 with a stable Co3+ oxidation state at both octahedral and tetrahedral sites are refined using neutron powder diffraction data collected at 2 K (S.G. Icmm, a = 5.6148(6) Å, b = 15.702(2) Å, c = 5.4543(6) Å; Rwp = 0.0339, Rp = 0.0443, χ2 = 0.775). The very large tetragonal distortion of CoO6 octahedra (1.9591(4) Å for Co-Oeq and 2.257(6) Å for Co-Oax) could be beneficial for the stabilization of the long-sought intermediate-spin state of Co3+ in perovskite-type oxides. However, the large magnetic moment of octahedral Co3+ (3.82(7)μB) indicates the conventional high-spin state of Co3+ ions, which is further supported by the results of a combined theoretical and experimental soft X-ray absorption spectroscopy study at the Co-L2,3

AB - © The Royal Society of Chemistry 2015.The crystal and magnetic structures of brownmillerite-like Sr2Co1.2Ga0.8O5 with a stable Co3+ oxidation state at both octahedral and tetrahedral sites are refined using neutron powder diffraction data collected at 2 K (S.G. Icmm, a = 5.6148(6) Å, b = 15.702(2) Å, c = 5.4543(6) Å; Rwp = 0.0339, Rp = 0.0443, χ2 = 0.775). The very large tetragonal distortion of CoO6 octahedra (1.9591(4) Å for Co-Oeq and 2.257(6) Å for Co-Oax) could be beneficial for the stabilization of the long-sought intermediate-spin state of Co3+ in perovskite-type oxides. However, the large magnetic moment of octahedral Co3+ (3.82(7)μB) indicates the conventional high-spin state of Co3+ ions, which is further supported by the results of a combined theoretical and experimental soft X-ray absorption spectroscopy study at the Co-L2,3

U2 - 10.1039/c4dt03670k

DO - 10.1039/c4dt03670k

M3 - Article

SP - 10708

EP - 10713

JO - Dalton Transactions

JF - Dalton Transactions

SN - 1477-9226

IS - 23

ER -

ID: 4006953