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Metallic surface states in a correlated d-electron topological Kondo insulator candidate FeSb2
Ke-Jun Xu, Su-Di Chen, Yu He +9
The resistance of a conventional insulator diverges as temperature approaches zero. The peculiar low temperature resistivity saturation in the 4f Kondo insulator (KI) SmB6 has spur…
Gapped Nearly Free-Standing Graphene on an SiC(0001) Substrate Induced by Manganese Atoms
Jinwoong Hwang, Ji-Eun Lee, Minhee Kang +4
The electron band structure of manganese-adsorbed graphene on an SiC(0001) substrate has been studied using angle-resolved photoemission spectroscopy. Upon introducing manganese at…
Visualization of multifractal superconductivity in a two-dimensional transition metal dichalcogenide in the weak-disorder regime
Carmen Rubio-Verdú, Antonio M. García-García, Hyejin Ryu +8
Eigenstate multifractality is a distinctive feature of non-interacting disordered metals close to a metal-insulator transition, whose properties are expected to extend to supercond…
Identifying substitutional oxygen as a prolific point defect in monolayer transition metal dichalcogenides with experiment and theory
Sara Barja, Sivan Refaely-Abramson, Bruno Schuler +17
Chalcogen vacancies are considered to be the most abundant point defects in two-dimensional (2D) transition-metal dichalcogenide (TMD) semiconductors, and predicted to result in de…
Emergence of Kondo resonance in graphene intercalated with cerium
Jinwoong Hwang, Kyoo Kim, Hyejin Ryu +11
The interaction between a magnetic impurity, such as cerium (Ce) atom, and surrounding electrons has been one of the core problems in understanding many-body interaction in solid a…
Experimental and Theoretical Electronic Structure and Symmetry Effects in Ultrathin NbSe2 Films
Cai-Zhi Xu, Xiaoxiong Wang, Peng Chen +6
Layered quasi-two-dimensional transition metal dichalcogenides (TMDCs), which can be readily made in ultrathin films, offer excellent opportunities for studying how dimensionality…