Stabilization of Phase IV in CexLa1-xB6 ($x=0.4, 0.5$) by Pr and Nd Ion Dopings

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概要

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• We have studied the effect of magnetic rare-earth ion (Pr, Nd) doping on phase IV in CexLa1-xB6 ($x=0.4, 0.5$) systems. An unexpected large increase in the IV–I transition temperature $T_{\text{IV--I}}$ by Pr and Nd dopings was observed, while no such increase was observed for $x\geq 0.6$. Although we do not know the reason why the doping effect markedly differs between $x\leq 0.5$ and $x\geq 0.6$ at present, the order parameter in phase IV for $x\leq 0.5$ is coupled with the magnetic dipole moment of Pr and Nd ions and phase IV is stabilized.

• Physical Society of Japanの論文
• 2009-09-15

著者

• Sera Masafumi

  Department Of Physics Faculty Of Science Nagoya University

• Tou Hideki

  Department Of Material Physics Faculty Of Engineering Science Osaka University

• Iga Fumitoshi

  Department Of Physics Tohoku University

• Tanida Hiroshi

  Department Of Physics Graduate School Of Science Tohoku University:(present Office)department Of Qua

• Sakakibara Toshiro

  Institute For Solid State Physics The University Of Tokyo

• Kunii Satoru

  Department Of Physics Faculity Of Science Tohoku University

• Kondo Akihiro

  Department Of Chemistry Osaka University College Of Science:biotechnology Research Laboratories Taka

• Matsumura Takeshi

  Department Of Agrobiology And Bioresources Faculty Of Agriculture Hokkaido University

• Tanida Hiroshi

  Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530

• Sakakibara Toshiro

  Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581

• Kondo Akihiro

  Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530

• Taniguchi Toshihiro

  Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530

• Iga Fumitoshi

  Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530

• Matsumura Takeshi

  Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530

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