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Study of c(2 × 2)-MnAu(0 0 1) layers on Mn(0 0 1) by means of scanning tunneling microscopy/spectroscopy |
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| Authors: | TK Yamada AL Vázquez de Parga T Mizoguchi |
| Institution: | a Department of Physics, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, 171-8588 Toshima, Tokyo, Japan b Departamento de Fisica de la Materia Condensada e Instituto de Ciencia de Materiales “Nicolas Cabrera”, Universidad Autónoma de Madrid, Cantoblanco 28049, Madrid, Spain c Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, The Netherlands |
| Abstract: | Intermixing, growth, geometric and electronic structures of gold films grown on antiferromagnetic stacking body-centered-tetragonal manganese (0 0 1) films were studied by means of scanning tunneling microscopy/spectroscopy at room temperature in ultra-high vacuum. We found stable ordered c(2 × 2)-MnAu(0 0 1) alloy layers after depositing Au on pure Mn layers. Since at the fourth layer (5 × 23)-like Au reconstruction appears instead of the c(2 × 2) structure and local density of states peaks obtained on the c(2 × 2)-MnAu surface disappear, pure Au layers likely grow from the fourth layer. |
| Keywords: | Scanning tunneling microscopy Scanning tunneling spectroscopies Surface structure morphology roughness and topography Metallic films Gold Manganese Alloys Metal-metal interfaces |
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