Valence, spin, and orbital state of Co ions in one-dimensional Ca 3Co 2O 6: an x-ray absorption and magnetic circular dichroism study
We have investigated the valence, spin, and orbital state of the Co ions in the one-dimensional cobaltate Ca3Co2O6 using x-ray absorption and x-ray magnetic circular dichroism at the Co−L2,3 edges. The Co ions at both the octahedral Cooct and trigonal Cotrig sites are found to be in a 3+ state. From...
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| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
14 December 2006
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| In: |
Physical review. B, Condensed matter and materials physics
Year: 2006, Jahrgang: 74, Heft: 24, Pages: 245111 |
| ISSN: | 1550-235X |
| DOI: | 10.1103/PhysRevB.74.245111 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevB.74.245111 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevB.74.245111 
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| Verfasserangaben: | T. Burnus, Z. Hu, M.W. Haverkort, J.C. Cezar, D. Flahaut, V. Hardy, A. Maignan, N.B. Brookes, A. Tanaka, H.H. Hsieh, H.-J. Lin, C.T. Chen, and L.H. Tjeng |
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| 245 | 1 | 0 | |a Valence, spin, and orbital state of Co ions in one-dimensional Ca 3Co 2O 6 |b an x-ray absorption and magnetic circular dichroism study |c T. Burnus, Z. Hu, M.W. Haverkort, J.C. Cezar, D. Flahaut, V. Hardy, A. Maignan, N.B. Brookes, A. Tanaka, H.H. Hsieh, H.-J. Lin, C.T. Chen, and L.H. Tjeng |
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| 500 | |a Gesehen am 08.11.2017 | ||
| 520 | |a We have investigated the valence, spin, and orbital state of the Co ions in the one-dimensional cobaltate Ca3Co2O6 using x-ray absorption and x-ray magnetic circular dichroism at the Co−L2,3 edges. The Co ions at both the octahedral Cooct and trigonal Cotrig sites are found to be in a 3+ state. From the analysis of the dichroism we established a low-spin state for the Cooct and a high-spin state with an anomalously large orbital moment of 1.7μB at the Co3+trig ions. This large orbital moment along the c-axis chain and the unusually large magnetocrystalline anisotropy can be traced back to the double occupancy of the d2 orbital in trigonal crystal field. | ||
| 700 | 1 | |a Haverkort, Maurits W. |d 1976- |e VerfasserIn |0 (DE-588)130132047 |0 (DE-627)491717946 |0 (DE-576)257824006 |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Physical review. B, Condensed matter and materials physics |d College Park, Md. : APS, 1998 |g 74(2006,24) Artikel-Nummer 245111, 5 Seiten |h Online-Ressource |w (DE-627)268760349 |w (DE-600)1473011-X |w (DE-576)077610237 |x 1550-235X |7 nnas |a Valence, spin, and orbital state of Co ions in one-dimensional Ca 3Co 2O 6 an x-ray absorption and magnetic circular dichroism study |
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