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Angle-resolved photoelectron spectroscopy of the(8.88×8.88)incommensurate surface reconstruction of Cu on Ge(111)
Physical Review B ( IF 3.2 ) Pub Date : 2024-11-08 , DOI: 10.1103/physrevb.110.205414 Mathis Cameau, Tristan Cren, Pascal David, François Debontridder, Natalia Olszowska, Marcin Rosmus, Mathieu G. Silly, Marie D'angelo
Physical Review B ( IF 3.2 ) Pub Date : 2024-11-08 , DOI: 10.1103/physrevb.110.205414 Mathis Cameau, Tristan Cren, Pascal David, François Debontridder, Natalia Olszowska, Marcin Rosmus, Mathieu G. Silly, Marie D'angelo
In this study we revisit the properties of the ( ″ 8 . 8 8 × 8 . 8 8 ″ ) R 3 0 ∘ surface reconstruction obtained by evaporation of Cu on Ge(111), motivated by the predictions of Dirac nodal lines in two-dimensional C u 2 G e monolayer. After providing an updated version of the band structure of Ge(111) by angle-resolved photoemission (ARPES), we present the band structure of the C u / G e ( 1 1 1 ) − ( 8 . 8 8 × 8 . 8 8 ) R 3 0 ∘ surface, which presents two surface bands, with having linear dispersion at the Fermi level.
中文翻译:
Cu 在 Ge(111) 上不相称的 (8.88×8.88) 不相称的表面重建的角度分辨光电子能谱
在这项研究中,我们重新审视了通过在 Ge(111) 上蒸发 Cu 获得的(“8.88×8.88”)R30∘ 表面重建的性质,其动机是二维 Cu2Ge 单层中狄拉克节点线的预测。在通过角度分辨光发射 (ARPES) 提供了 Ge(111) 能带结构的更新版本之后,我们提出了 Cu/Ge(111)−(8.88×8.88)R30∘ 表面的能带结构,它呈现两个表面能带,在费米能级具有线性色散。
更新日期:2024-11-08
中文翻译:
Cu 在 Ge(111) 上不相称的 (8.88×8.88) 不相称的表面重建的角度分辨光电子能谱
在这项研究中,我们重新审视了通过在 Ge(111) 上蒸发 Cu 获得的