Novel Alternating Dimer Chain System (CH_3)_2NH_2CuCl_3 Studied by X-ray Structural Analyses and Magnetization Process(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
スポンサーリンク
概要
- 論文の詳細を見る
The ground-state properties of an S=1/2 quasi-one-dimensional quantum spin system (CH_3)_2NH_2-CuCl_3 were investigated by X-ray structure analyses and high-field magnetization measurements. X-ray studies confirmed that the structural phase transition from monoclinic to triclinic phases occurs between 300 and 200K. The magnetic chain realized at low temperatures involves three types of chlorine-bridged pathways that result in bond alternation with n=4, where n is the period of the spatial structure. High-field magnetization measurements at the lowest temperature of 0.5K revealed a unique magnetization process with an initial rapid increase in a low field and a relatively gradual increase in a high field, separated by the magnetization plateau with half of the saturation moment. On the basis of these experimental facts, a novel quantum chain model, which is characterized by the alternation of an S=1 triplet dimer and an S=0 singlet dimer is proposed for the ground state of the present system.
- 社団法人日本物理学会の論文
- 2005-10-15
著者
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網代 芳民
京大院理
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AJIRO Yoshitami
Department of Chemistry, Graduate School of Science, Kyoto University
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KITAGAWA Hiroshi
Department of Bioresource Science, Graduate School of Agricultural Science, Kobe University
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網代 芳民
Department Of Chemistry Kyoto University:crest Japan Science And Technology Corporation (jst)
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Ajiro Y
Department Of Chemistry Graduate School Of Science Kyoto University
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INAGAKI Yuji
Department of Applied Quantum Physics and Nuclear Engineering Faculty of Engineering, Kyushu Univers
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ASANO Takayuki
Department of Physics, Kyushu University
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SAKON Takuo
Department of Mechanical Engineering, Faculty of Engineering and Resource Science, Akita University
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KOBAYASHI Atsushi
Department of Chemistry, Kyushu University
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MOTOKAWA Mitsuhiro
Institute for Materials Research, Tohoku University
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Takagi S
Department Of Quantum Matter Graduate School Of Advanced Sciences Of Matter Hiroshima University
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Ajiro Y
Department Of Physics Kyushu University
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Tsutsui Satoshi
Department Of Materials Science And Technology Iwate University
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Sasaki T
Center For Geo-environmental Science Faculty Of Engineering And Resource Science Akita University
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Asano T
Department Of Mechanical Engineering Faculty Of Engineering And Resource Science Akita University
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Motokawa M
Institute For Materials Research Tohoku University
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Motokawa Mitsuhiro
Tohoku Univ. Sendai Jpn
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Motokawa Mitsuhiro
Institute For Materials Research Tohoku University
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Susaki Tomofumi
Department Of Physics And Department Of Complexity Science And Engineering University Of Tokyo:(pres
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Inagaki Y
Department Of Applied Quantum Physics And Nuclear Engineering Faculty Of Engineering Kyushu Universi
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Asano Takayuki
Depatment Of Applied Physics Fukui University
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Asano Takayuki
Department Of Physics Faculty Of Science Kyushu University:crest Japan Science And Technology Agency
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Tsutsui Satoshi
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Ajiro Yoshitami
Department Of Applied Physics Faculty Of Engineering Fukui University
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Mitome Masanori
National Institute Of Materials Science
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Motokawa Mitsuhiro
Crest Japan Science And Technology:institute For Material Research Tohoku University
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Suzuki Taira
Department Of Mterials Science And Technology Science University Of Tokyo
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Asano Takayuki
Department Of Agricultural And Environmental Biology Graduate School Of Agricultural And Life Scienc
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Mino M
Okayama Univ. Okayama
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Kobayashi Atsushi
Department Of Applied Chemistry The University Of Tokyo
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Inagaki Yuji
Department Of Physics Kyushu University
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Kobayashi Atsushi
Department Of Chemistry Kyushu University
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Kobayashi Atsushi
Department Of Applied Biological Science Tokyo University Of Agriculture And Technology
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Sakon Takuo
Department Of Mechanical Engineering Graduate School Of Engineering And Material Research Akita Univ
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Kitagawa Hiroshi
Department Of Adaptive Machine Systems Graduate School Of Engineering Osaka University
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SAKON Takuo
Department of Mechanical Engineering, Akita University
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KITAGAWA Hiroshi
Department of Chemistry, Kyushu University
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ASANO Takayuki
Department of Physics, Kyushu University:CREST Japan Science and Technology Corporation (JST)
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AJIRO Yoshitami
Department of Chemistry, Kyoto University:CREST Japan Science and Technology Corporation (JST)
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Sakon Takuo
Department of Mechanical and Systems Engineering, Faculty of Science and Technology, Ryukoku University, Otsu 520-2194, Japan
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SAKON Takuo
Department of Mechanical and Systems Engineering, Faculty of Science and Technology, Ryukoku University
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