Quadrupolr Interaction in NdB_6 Studied by Magnetostriction

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概要

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• Thermal expansion and longitttdinal unagnetostriction along the (001) direction ,47/Z(g0j) ofNdB5 have been measured in the rnagnetic field H along the z axis ((001) direction) LIP to8 T. Below the N!el ternperattrre Tg, accompanying the spin-flop transition or domain rotationat O.5T, the z axis shrinks greatly. The therrna[ expansion in H : 2,IT where the orderedmoment is perpendicular to H, shows that the shrinkage of the z axis becomes smaller withincreasing temperature and disappears at Tg. The restzlts were analyzed ttsing a rnolectrlarfield approximation and it was shown that it is necessary to introduce the ferro-quadrtrpolarinteraction K3 with a 13 synumetry in NdB?. The difference in the thermal expansion in theparamagnetic region between CeB5 and NdB(j is disctrssed froun the standpoint that there existslarge antiferro-quadrupolar short-range ordering in CeB5,

• 社団法人日本物理学会の論文
• 1997-03-15

著者

• SERA Masafumi

  Institute for Materials Research, Tohoku University, Katahira

• Kunii Satoru

  Faculty Of Science Tohoku University

• Kunii Satoru

  Faculty Of Engineering Tohoku Gakuin University

• Sera Masafumi

  Institute For Materials Research Tohoku University

• Kunii Satoru

  Faculty Of Science Depatment Of Physics Tohoku University

• ITABASHI Seiichi

  Faculty of Science,Depatment of Physics,Tohoku University

• Itabashi S

  Faculty Of Science Depatment Of Physics Tohoku University

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