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Low-dimensional magnetism of spin-1/2 chain systems of alpha- and beta-TeVO4: A comparative study
- Authors
- Gnezdilov, V.; Lemmens, P.; Wulferding, D.; Pashkevich, Yu; Lamonova, K.; Choi, K. -Y.; Afanasiev, O.; Gnatchenko, S.; Berger, H.
- Issue Date
- Jul-2012
- Publisher
- AMER INST PHYSICS
- Citation
- LOW TEMPERATURE PHYSICS, v.38, no.7, pp 559 - 569
- Pages
- 11
- Journal Title
- LOW TEMPERATURE PHYSICS
- Volume
- 38
- Number
- 7
- Start Page
- 559
- End Page
- 569
- ISSN
- 1063-777X
1090-6517
- Abstract
- We present a comparative study of the low-dimensional compounds alpha- and beta-TeVO4. Our data clearly show that the change in the local coordination geometry of V4+ ions between alpha- and beta-TeVO4 leads to drastic differences in their magnetic properties. Despite sharing the same crystal structure, the two compounds manifest different magnetic exchange topologies. Both compounds exhibit a transition from ferro-to anti-ferromagnetic correlations with decreasing temperature. This effect, however, is driven by different mechanisms in the two compounds. In addition, dimensional crossover is found in beta-TeVO4. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4734010]
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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