Magnetic interaction effect and Dingle temperature of de Haas-van Alphen oscillations in lead

H. Aoki, K. Ogawa

研究成果: Article査読

抄録

The amplitude of the de Haas-van Alphen (dHvA) γ oscillation in lead in the symmetric direction (110) has been determined by analyzing the change in the amplitude of the fundamental frequency of the α oscillation due to magnetic interacton (MI) with γ. The Dingle plot of the amplitude thus determined gives the Dingle temperature 0.08 K, as compared with 0.51 K determined by the conventional method in an identical sample. The large difference in the Dingle temperatures noted above is inconsistent with the old treatment of MI, but is consistent with the new treatment because in the latter treatment the amplitude of γ responsible for MI is the local amplitude before dephasing over the sample. Based on this fact, we suggest that MI can be used to determine the Dingle temperature of the dHvA oscillation without being affected by the inhomogeneity of the sample.

本文言語English
ページ(範囲)329-336
ページ数8
ジャーナルJournal of Low Temperature Physics
35
3-4
DOI
出版ステータスPublished - 1979 5月

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 材料科学(全般)
  • 凝縮系物理学

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