Field-Induced Magnetic Phase Transitions in a Triangular Lattice Antiferromagnet CuFeO2 up to 14.5T.
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- Mitsuda Setsuo
- Department of Physics, Faculty of Science, Science University of Tokyo,<BR>Kagurazaka, Shinjuku-ku, Tokyo 162-8601
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- Mase Motoshi
- Department of Physics, Faculty of Science, Science University of Tokyo,<BR>Kagurazaka, Shinjuku-ku, Tokyo 162-8601
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- Prokes K.
- Hahn-Meitner-Institute, Glienicker Stra{ß}e 100, D-14109 Berlin, Germany
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- Kitazawa Hideaki
- National Research Institute for Metals, Tsukuba-shi, Ibaraki 305-0047
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- Katori H. Aruga
- RIKEN (The Institute of Physical and Chemical Research) Wako, Saitama 351-0198
Bibliographic Information
- Other Title
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- Field-Induced Magnetic Phase Transitions in a Triangular Lattice Antiferromagnet CuFeO<sub><b>2</b></sub>up to 14.5 T
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Abstract
Neutron diffraction studies on a frustrated triangular lattice antiferromagnet (TLA) CuFeO2 have been performed under an applied magnetic field up to 14.5 T. The first-field-induced state was found to be not the commensurate 5-sublattice (↑ ↑ ↑ ↓ ↓ ) magnetic state but rather an incommensurate complex helical state reflecting the Heisenberg spin character of orbital singlet Fe3+ magnetic ions. In contrast, the second-field-induced state was found to be the 5-sublattice (↑ ↑ ↑ ↓ ↓ ) magnetic state predicted by the two-dimensional (2D) Ising spin TLA model with competing exchange interactions up to the 3rd neighbors.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 69 (11), 3513-3516, 2000
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390001204180863488
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- NII Article ID
- 210000102618
- 110001971084
- 130004537293
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- NII Book ID
- AA00704814
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- BIBCODE
- 2000JPSJ...69.3513M
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 5586808
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed