Raman Scattering in TlCoCl_3 : Magnetic Parameters Obtained from Domain-Wall-Pair Excitations(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
We report magnetic Raman scattering in a distorted-triangular-lattice Ising-like antiferromagnet TlCoCl_3. Below the Neel temperature, we observe several new Raman peaks from the quantized domain-wall pair excitations (Zeeman-ladder excitations). From their sequencies, we obtain the magnetic parameters of this system. We find that the orthorhombic lattice distortion causes a reduction of exchange interactions between the magnetic chains shifting to the opposite sides. The origin is discussed within a framework of superexchange interaction.
- 社団法人日本物理学会の論文
- 2007-04-15
著者
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加藤 鞆一
Department of Applied Physics, Waseda University
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OOSAWA Akira
Department of Physics, Sophia University
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NISHIWAKI Yoichi
Department of Physics, Tokyo Women's Medical University
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Nishiwaki Yoichi
Department Of Physics Tokyo Women's Medical University
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Nishiwaki Yoichi
Department Of Physics Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Kato T
Fukuoka Institute Of Technology
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Oosawa Akira
Department Of Physics Sophia University
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KATO Tetsuya
Faculty of Education, Chiba University
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KUROE Haruhiko
Department of Physics, Sophia University
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SEKINE Tomoyuki
Department of Physics, Sophia University
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Kuroe Haruhiko
Department Of Physics Sophia University
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Kato T
Faculty Of Education Chiba University
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Sekine Tomoyuki
Department Of Physics Sophia University
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Sekine Tomoyuki
Department Of Physics Faculty Of Science And Technology Sophia University
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Ohsawa A
Department Of Physics Sophia University
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Kato Tetsuya
Faculty Of Education Chiba University
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Nishiwaki Yoichi
Department of Physics, Tokyo Women's Medical University
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Nishiwaki Yoichi
Department of Basic Sciences, Saitama Medical University, Moroyama, Saitama 350-0495, Japan
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