Abstract
We studied the transport, magnetic, and structural properties of Ba 1-xSrxV13O18, in which V and O ions form a sodium-chloride lattice with periodically missing sites. We found that the high-temperature insulating phase is characterized by spin-singlet V tetramers, whereas the low-temperature conducting phase is characterized by V trimers, and these two phases are competing in this series of compounds. Various properties substantially change at the phase transition between the two, indicating a drastic reconstruction of the electronic structure.
| Original language | English |
|---|---|
| Article number | 134417 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 83 |
| Issue number | 13 |
| DOIs | |
| Publication status | Published - 2011 Apr 13 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
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Ikeda, M., Okuda, T., Kato, K., Takata, M., & Katsufuji, T. (2011). Competition between vanadium tetramerization and trimerization in Ba 1-xSrxV13O18. Physical Review B - Condensed Matter and Materials Physics, 83(13), [134417]. https://doi.org/10.1103/PhysRevB.83.134417