Kondo Effect in the Long-Range Antiferromagnetic Ordered State : Ce_xNd_1-xB_6(Condensed Matter : Electric Structure, Electical, Magnetic and Optical Properties)

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概要

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• We have studied the coexistence and the competition between the Kondo singlet state and the long-range antiferro(AF)magnetic ordering in the Ce_xNd_1-xB_6 system. At high temperatures, the single impurity Kondo effect is observed in all the samples as in the Ce_xLa_1-xB_6 system. In the AF magnetic state formed mainly by Nd ions, Ce ions contribute to the AF magnetic ordering but at the same time exhibit the Kondo singlet character with a small effect from the magnetic ordering. The ground state of Ce_xNd_1-xB_6 changes with x; in a small x region, the Kondo singlet state is destroyed by the exchange field from surrounding Nd moments. Above x 〜 0.3, the long-range magnetic order takes place because the Ce-Ce interaction overcomes the Kondo effect. In an intermediate x value between the above two regions, the Kondo singlet state may continue to exist down to a very low temperature.

• 社団法人日本物理学会の論文
• 2003-01-15

著者

• 世良 正文

  Department Of Quantum Matter Graduate School Of Advanced Sciences Of Matter Hiroshima University

• SERA Masafumi

  Department of Quantum Matter, AdSM, Hiroshima University

• IGA Fumitoshi

  Department of Quantum Matter, ADSM, Hiroshima University

• Sera Masafumi

  Department Of Physics Tohoku University:institute For Molecular Science

• Sera M

  Department Of Quantum Matter Graduate School Of Advanced Sciences Of Matter Hiroshima University

• Sera M

  Department Of Quantum Matter Adsm Hiroshima University

• Sera Masafumi

  Department Of Physics Nagoya University

• Sera Masafumi

  Department Of Physics Faculty Of Science Nagoya University

• TSUJI Shigenari

  Department of Quantum Matter, ADSM, Hiroshima University

• Kobayashi S

  Non Destructive Evaluation And Science Research Center Faculty Of Engineering Iwate University

• Iga Fumitoshi

  Hiroshima Univ. Hiroshima Jpn

• Iga Fumitoshi

  Department Of Quantum Matters Adsm Hiroshima University

• Iga Fumitoshi

  Department Of Physics Tohoku University

• Kobayashi Shunsuke

  Department Of Electronic Engineering (div. Of Engineering Sciences) Faculty Of Technology Tokyo Univ

• TSUJI Shigenori

  Department of Quantum Matter, ADSM, Hiroshima University

• Tsuji Shigenori

  Cryogenic Center Hiroshima University

• Susaki Tomofumi

  Department Of Physics And Department Of Complexity Science And Engineering University Of Tokyo:(pres

• Sawada M

  Hiroshima Synchrotron Radiation Center Hiroshima University

• SAITO Kazuhiro

  Tochigi Research Laboratories of Kao Corporation

• Tsuji S

  Department Of Quantum Matter Adsm Hiroshima University

• YOSHINO Yasuhiro

  Department of Quantum Matter, ADSM, Hiroshima University

• KOBAYASHI Shinichiro

  Department of Quantum Matter, ADSM, Hiroshima University

• YOSHINO Yutaka

  Division of Materials Science, Faculty of Integrated Arts and Sciences Hiroshima University

• Kobayashi Satoru

  Non Destructive Evaluation And Science Research Center Faculty Of Engineering Iwate University

• Kobayashi Shunsuke

  Science University Of Tokyo

• Sera M

  Institute Of Materials Structure Science High Energy Accelerator Research Organization (kek)

• Yoshino Yutaka

  Department Of Quantum Matter Adsm Hiroshima University

• Yoshino Yasuhiro

  Department Of Mechanical Enginering Iwate University

• YOSHINO Yutaka

  Faculty of IAS, Hiroshima University

• Kobayashi Shun-ichi

  Department Of Physics School Of Science University Of Tokyo

• Iga F

  Graduate School Of Science And Technology Niigata University

• Iga Fumitoshi

  Dpartmeot Of Quantum Matter Adsm Hiroshima University

• Kobayashi Shunichi

  Department Of Physics Graduate School Of Science The University Of Tokyo

• Iga Fumitoshi

  Hiroshima Univ. Higashihiroshima

• Iga F

  Department Of Quantum Matter Adsm Hiroshima University

• KOBAYASHI Shun-ichi

  Faculty of Engineering Science, Osaka University:(Present address)Department of Physics, University of Tokyo

• KOBAYASHI Shun-ichi

  Department of Physics, University of Tokyo

• Kobayashi Shunichi

  Department of Physics, Faculty of Science, University of Tokyo

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