Magnetovolume effect in Mn3 Cu1-x Gex N related to the magnetic structure: Neutron powder diffraction measurements

S. Iikubo, K. Kodama, K. Takenaka, H. Takagi, S. Shamoto

研究成果: ジャーナルへの寄稿学術誌査読

106 被引用数 (Scopus)

抄録

Magnetic structures in an antiperovskite system, Mn3 Cu1-x Gex N, with a large magnetovolume effect above x=0.15 have been studied by neutron powder diffraction measurement. The present neutron study revealed that not only a cubic crystal structure but also a Γ5g antiferromagnetic spin structure are key ingredients of the large magnetovolume effect in this itinerant electron system. The large magnetovolume effect is possibly ascribed to the geometrical frustration originating from the corner-shared octahedra of the antiperovskite structure.

本文言語英語
論文番号020409
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
77
2
DOI
出版ステータス出版済み - 1月 24 2008
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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