Pressure Effects of an S=1 Heisenberg Antiferromagnetic Bond Alternating Chain : Condensed Matter: Electronic Properties, etc.

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概要

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• By the measurement of magnetic susceptibility under pressures (P) up to 8kbar, we investigated pressure effects of the S = 1 Heisenberg antiferromagnetic bond alternating chain compound [{Ni(333-tet) (μ-N_3 ) }_n] (ClO_4)_n (333-tet denotes N,N'-bis(3-aminopropyl)-1 ,3-propanediamine), whose alternating interaction ratio (α) at ambient pressure is very close to the theoretical value for the gapless point (α_c ≃ 0.59). There are two kinds of intrachain interactions due to bond alternation (J_1 and J_2), both of which are increased linearly against the pressure. At P = 8 kbar those magnitudes exceed 1.4 times of those at ambient pressure. The magnitude of α ≡ J_2/J_1, however, does not change largely. The normalized magnetic susceptibility χ| J_1| /k_B around k_BT/ |J_1| = 0.1 has the maximum value at P = 2 kbar, and this suggests the possibility of the slight changes of α and D.

• 社団法人日本物理学会の論文
• 2001-05-15

著者

• KAWAE Tatsuya

  Department of Applied Quantum Physics, Kyushu University

• TAKEDA Kazuyoshi

  Department of Applied Quantum Physics, Kyushu University

• Deguchi Hiroyuki

  Department of Applied Science, Faculty of Engineering, Kyushu University

• 榊原 俊雄

  東大物性研

• FUJITA Osamu

  Department of Physics,Aoyama-Gakuin University

• Tsutsui Satoshi

  Department Of Materials Science And Technology Iwate University

• Suzuki T

  Issp University Of Tokyo

• Fujita O

  Hokkaido Univ. Sapporo Jpn

• Sasaki T

  Center For Geo-environmental Science Faculty Of Engineering And Resource Science Akita University

• MITO Masaki

  Department of Electronics, Faculty of Engineering, Kyushu Institute of Technology

• TAKAGI Seishi

  Department of Electronics, Faculty of Engineering, Kyushu Institute of Technology

• Tatsuoka Sho

  Graduate School Of Science Tokyo Metropolitan University

• Fujita O

  Kyushu Univ. Fukuoka

• Suzuki N

  Riken (inst. Physical And Chemical Res.) Saitama

• Suzuki N

  Osaka Univ. Osaka Jpn

• Suzuki Naoshi

  Department Of Material Physics Osaka University

• Sugaya Takashi

  Issp University Of Tokyo

• FUJITA Osamu

  Kariya General Hospital Eastern Division

• Sakon Takuo

  Department Of Physics Faculty Of Science Tohoku University

• Takagi Seishi

  Department Of Electrical Engineering Faculty Of Engineering Osaka University:department Of Electrica

• Deguchi Hiroyuki

  Department Of Applied Science Faculty Of Engineering Kyushu University

• Kawae Tatsuya

  Department Of Applied Science Faculty Of Engineering Kyusyu University

• Kawae Tatsuya

  Department Of Applied Quantum Physics Kyushu University

• Hitaka Masako

  Department of Applied Science,Faculty of Engineering,Kyushu University

• Motokawa Mitsuhiro

  Crest Japan Science And Technology:institute For Material Research Tohoku University

• Fujita Osamu

  Department Of Physics Aoyama-gakuin University

• Masako Hitaka

  Department Of Physics Faculty Of Science And Engineering Saga University

• Fujita Osamu

  Department Of Mechanical Engineering Hokkaido University

• Fujita Osamu

  Department Of Mechanical And Space Engineering Hokkaido University

• Takeda Kazuyoshi

  Department Of Applied Quantum Physics Faculty Of Engineering Kyushu University:institute Of Environm

• Saito Takashi

  Institute For Chemical Research Kyoto University

• Fujita Osamu

  Department of Bioresources Science and Technology, Graduate School of Biosphere Science, Hiroshima University

• Hitaka Masako

  Department of Applied Science, Faculty of Engineering, Kyushu University

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