Structure, Magnetism, and Valence States of Cobalt and Platinum in 
Quasi-One-Dimensional Oxides A3CoPtO6 with A = Ca, Sr

Mikhailova, D.; Kuo, C.-Y.; Reichel, P.; Tsirlin, A. A.; Efimenko, A.; Rotter, M.; Schmidt, M.; Hu, Z.; Pi, T. W.; Jang, L. Y.; Soo, Y. L.; Oswald, S.; Tjeng, L. H.

doi:10.1021/jp411503s

Local TagsRelease HistoryDetailsSummary

Structure, Magnetism, and Valence States of Cobalt and Platinum in Quasi-One-Dimensional Oxides A₃CoPtO₆ with A = Ca, Sr

Mikhailova, D., Kuo, C.-Y., Reichel, P., Tsirlin, A. A., Efimenko, A., Rotter, M., et al. (2014). Structure, Magnetism, and Valence States of Cobalt and Platinum in Quasi-One-Dimensional Oxides A₃CoPtO₆ with A = Ca, Sr. The Journal of Physical Chemistry C, 118(10), 5463-5469. doi:10.1021/jp411503s.

Item is Released

show all hide all

Basic

show hide

Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-4183-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0000-6ECA-2

Genre: Journal Article

Files

show Files

Locators

show

Creators

show

hide

Creators:
Mikhailova, D.¹, Author
Kuo, C.-Y.², Author
Reichel, P.³, Author
Tsirlin, A. A.⁴, Author
Efimenko, A.³, Author
Rotter, M.⁵, Author
Schmidt, M.⁶, Author
Hu, Z.⁷, Author
Pi, T. W.⁸, Author
Jang, L. Y.⁸, Author
Soo, Y. L.⁸, Author
Oswald, S.⁸, Author
Tjeng, L. H.⁹, Author

Affiliations:
1Daria Mikhailova, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863448
2Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445
3Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404
4Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405
5Martin Rotter, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863453
6Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863415
7Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461
8external, ou_persistent22
9Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452

Content

show

hide

Free keywords: -

Abstract: Two quasi-one-dimensional oxides, Ca3CoPtO6 and Sr3CoPtO6, were synthesized and characterized. A combination of X-ray absorption spectroscopy at the Co-K-, Co-L2,3-, and Pt-L3-edges and X-ray photoelectron spectroscopy establishes unambiguously the divalent state of Co and the tetravalent state of Pt in both compounds, in contrast to the earlier assumption of the Co3+ and mixed Pt2+/Pt4+ valence states. Magnetization measurements reveal the paramagnetic behavior down to 2 K with strong evidence for an unquenched orbital moment of the high-spin Co2+. The simple paramagnetic behavior of A3CoPtO6 contrasts with the magnetic transitions observed in Ca3CoRhO6, Sr3CoIrO6, and other isostructural materials. This difference is ascribed to the nonmagnetic 5d6 state of Pt4+ that prevents magnetic couplings between the Co2+ ions.

Details

show

hide

Language(s): eng - English

Dates: Date issued: 2014-01-24

Publication Status: Issued

Pages: -

Publishing info: -

Table of Contents: -

Rev. Type: -

Identifiers: DOI: 10.1021/jp411503s

Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show

hide

Title: The Journal of Physical Chemistry C

Other : J. Phys. Chem. C

Source Genre: Journal

Creator(s):

Affiliations:

Publ. Info: Washington DC : American Chemical Society

Pages: - Volume / Issue: 118 (10) Sequence Number: - Start / End Page: 5463 - 5469 Identifier: ISSN: 1932-7447
CoNE: https://pure.mpg.de/cone/journals/resource/954926947766