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Horiuchi, S.; Shirakawa, T.; Ohta, Y.: Theoretical study of the electronic states of hollandite vanadate K 2V8O16. In: Journal of Physics: Conference Series 150 (2009), Nr. 4, 42182. DOI: https://doi.org/10.1088/1742-6596/150/4/042182
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Sum total of downloads: 94
| Abstract: | |
Electronic states of hollandite vanadate K2V8O 16, a one-dimensional zigzag-chain system of t2g orbitals in a mixed valent state, are considered. We calculate the Madelung energies to determine the most stable charge-ordering pattern that is consistent with the observed superlattice structure. We then develop the strong-coupling perturbation theory to derive the effective spin-orbit Hamiltonian, starting from the triply-degenerate t2g orbitals in the VO6 octahedral structure. An exact-diagonalization technique is used on small clusters of this Hamiltonian to determine the orbital-ordering pattern and spin structures in the ground state. We thereby discuss the electronic and magnetic properties of K2 V8O16. © 2009 IOP Publishing Ltd. | |
| License of this version: | CC BY 3.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2009 |
| Appears in Collections: | Fakultät für Mathematik und Physik |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 32 | 34.04% |
| 2 |  |
United States | 30 | 31.91% |
| 3 |  |
China | 9 | 9.57% |
| 4 |  |
Japan | 5 | 5.32% |
| 5 |  |
Ireland | 4 | 4.26% |
| 6 |  |
Saudi Arabia | 2 | 2.13% |
| 7 |  |
India | 2 | 2.13% |
| 8 |  |
Peru | 1 | 1.06% |
| 9 |  |
Mexico | 1 | 1.06% |
| 10 |  |
Latvia | 1 | 1.06% |
| other countries | 7 | 7.45% | ||
Further download figures and rankings:
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