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論文

Fermi surface properties of semimetals YSb, LuSb, YBi, and LuBi studied by the de Haas-van Alphen effect

垣花 将司*; 西村 憲吾*; 竹内 徹也*; 芳賀 芳範; 播磨 尚朝*; 辺土 正人*; 仲間 隆男*; 大貫 惇睦*

Journal of the Physical Society of Japan, 88(4), p.044712_1 - 044712_11, 2019/04

 被引用回数:3 パーセンタイル:37.12(Physics, Multidisciplinary)

Fermi surfaces of semimetallic YSb, LuSb, YBi and LuBi were investigated by de Haas-van Alphen effect. The Fermi surfaces consist of hole pockets arising from $$p$$-bands from Sb or Bi and electron ellipsoids from 5$$d$$ band of Y or Lu. Larger carrier number of YBi and LuBi is attributed to larger spin-orbit interaction of Bi-6$$p$$ state than Sb-5$$p$$.

論文

Split Fermi surface properties in Ulmannite NiSbS and PdBiSe with the cubic chiral crystal structure

垣花 将司*; 照屋 淳志*; 西村 憲吾*; 仲村 愛*; 竹内 徹也*; 芳賀 芳範; 播磨 尚朝*; 辺土 正人*; 仲間 隆男*; 大貫 惇睦

Journal of the Physical Society of Japan, 84(9), p.094711_1 - 094711_8, 2015/09

 被引用回数:16 パーセンタイル:69.74(Physics, Multidisciplinary)

Fermi surface properties of illuminate NiSbS and PbBiSe have been clarified by de Haas-van Alphen effect, resistivity and specific heat measurements. Fermi surfaces were found to split into two, reflecting the non-centrosymmetric crystal structure. The splitting energies have been estimated experimentally. Those are originated from spin-orbit interactions.

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