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Influence of the Magnetic Correlation on the Electronic Structure of Hexagonal TbMnO3 Thin Films Investigated by Using Optical Spectroscopy
- Authors
- Choi, W. S.; Moon, S. J.; Jeon, B. C.; Lee, J. H.; Lee, Y. S.
- Issue Date
- Aug-2009
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Multiferroics; Hexagonal thin films; Optical spectroscopy; Charge-spin coupling
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.55, no.2, pp.754 - 758
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 55
- Number
- 2
- Start Page
- 754
- End Page
- 758
- ISSN
- 0374-4884
- Abstract
- We investigated the optical response of multiferroic hexagonal TbMnO3 thin films at various temperatures. We observed an anomalous temperature dependence of the lowest lying inter-site transition peak, which is in good accord with that of the exchange interaction. Our finding is strongly suggestive of strong cliarge-spin coupling in this multiferroic compound.
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Related Researcher
- Lee, Yun Sang
- College of Natural Sciences (Department of Physics)