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Abstracts
The paramagnetic resonance of Co^{2+} ions in Mg_{2.997}Co_{0.003}V_2O_8 single crystals are reported. The EPR spectrum shows two groups of resonance lines associated with two crystallographically nonequivalent Co ions positions that are known in the kagome staircase system as "cross-tie" and "spine" sites. No preferential occupation of Co^{2+} ions in the kagome lattice was observed. The ground state was described by spin-Hamiltonian with an effective electronic spin S=1/2 and nuclear spin I=7/2. The local symmetry of oxygen octahedron surrounding Co ions, main values of the g-factors, and hyperfine structure were determined for both cobalt positions.
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Journal
Year
Volume
Issue
Pages
105-110
Physical description
Dates
published
2007-01
received
2006-09-04
Contributors
author
- Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
author
- Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
References
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- 6. J.D. Pless, N. Erdman, D. Ko, L.D. Marks, P.C. Stair, K.R. Poeppelmeier, Crystal Growth Design, 3, 615, 2003
- 7. A. Abragam, B. Bleaney, Electron Paramagnetic Resonance of Transition Ions, Clarendon Press, Oxford 1970
- 8. A. Abragam, M.H.L. Pryce, Proc. R. Soc. Lond. A, 206, 173, 1951
- 9. M. Tinkham, Proc. R. Soc. Lond. A,236, 549, 1956
Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv111n112kz