Study on Momentum Density and Fermi Surface in Paramagnetic Cr and W by Positron Annihilation

T. Kubota, H. Kondo, H. Nakashima, Yasukazu Murakami, S. Tanigawa

研究成果: Contribution to journalArticle査読

12 被引用数 (Scopus)

抄録

The three‐dimensional electron‐positron momentum densities in paramagnetic Cr and W are reconstructed from measurements of two‐dimensional angular correlation of positron annihilation radiations (2D‐ACAR) by the image reconstruction technique based on a direct Fourier transformation. The experimental momentum density for paramagnetic Cr and W shows the contribution of the Fermi surface sheets; the electron surface at Γ, the hole surface at H, the hole surface at N. The Fermi surface topology obtained from the present results agrees with the theory and other experiments.

本文言語英語
ページ(範囲)179-191
ページ数13
ジャーナルphysica status solidi (b)
168
1
DOI
出版ステータス出版済み - 1 1 1991
外部発表はい

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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