Yu-Shiba-Rusinov states induced by single Fe atoms on reconstructed compound superconductor V3Si

被引：0
|
作者：
Nossmann, Bastian [1 ]
Yu, Zuodong [2 ,3 ]
Das, Ankur [1 ]
Schulte, Stefan [1 ]
Neel, Nicolas [1 ]
Wu, Chien-Te [4 ,5 ]
Kirchner, Stefan [4 ]
Kroeger, Joerg [1 ]
机构：
[1] Tech Univ Ilmenau, Inst Phys, D-98693 Ilmenau, Germany
[2] Zhejiang Gongshang Univ, Sch Informat & Elect Engn, Hangzhou, Peoples R China
[3] Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[4] Natl Yang Ming Chiao Tung Univ, Dept Electrophys, Hsinchu 30010, Taiwan
[5] Natl Ctr Theoret Sci, Phys Div, Taipei 10607, Taiwan
来源：
SURFACE SCIENCE | 2024年 / 746卷
基金：
中国国家自然科学基金;
关键词：
Superconductivity; Magnetism; Yu-Shiba-Rusinov bound states; A15-compound superconductor; Scanning tunneling microscopy; Scanning tunneling spectroscopy; DENSITY-OF-STATES; BOUND-STATES; MAGNETIC-IMPURITIES; ENERGY GAP; SURFACE;
D O I：
10.1016/j.susc.2024.122504
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Reconstructed surfaces of the A15 -compound superconductor V 3 Si(100) that are possibly induced by the segregation of bulk impurities serve as platforms to study the dependence of Yu-Shiba-Rusinov states induced by a single Fe atom on the adsorption site. Their number, energy and electron-hole asymmetry vary strongly with the atomic environment of the Fe atom. These variations are indicative of different Fe d -orbitals being active in the site -dependent exchange coupling with the substrate Cooper pairs. Spatially resolved spectroscopy gives rise to a short decay length of the Yu-Shiba-Rusinov states and thereby suggests the three-dimensional character of the scattering process underlying the bound states.
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页数：10
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