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Anomalous superconducting proximity effect of planar Pb-RhPb2 heterojunctions in the clean limit
Rui-Feng Wang, Yan-Ling Xiong, Qun Zhu +5
Interest in superconducting proximity effect has been revived by the exploitation of Andreev states and by the possible emergence of Majorana bound states at the interface. Spectro…
Percolative Superconductivity in Electron-Doped SrEuCuO Films
Xue-Qing Yu, Hang Yan, Li-Xuan Wei +7
Electron-doped infinite-layer SrEuCuO films over a wide doping range have been prepared epitaxially on SrTiO(001) using reactive molecular beam epitaxy. I…
Direct observation of nodeless superconductivity and phonon modes in electron-doped copper oxide SrNdCuO
Jia-Qi Fan, Xue-Qing Yu, Fang-Jun Cheng +8
The microscopic understanding of high-temperature superconductivity in cuprates has been hindered by the apparent complexity of crystal structures in these materials. We used scann…
Berry-phase switch in electrostatically-confined topological surface states
Jun Zhang, Ye-ping Jiang, Xu-Cun Ma +1
Here we visualize the trapping of topological surface states in the circular n-p junctions on the top surface of the 7-quintuple-layer three dimensional (3D) topological insulator…
Tuning the electronic states and superconductivity in alkali fulleride films
Ming-Qiang Ren, Shu-Ze Wang, Sha Han +3
The successful preparation of superconducting alkali fulleride (AC, A = K, Rb, Cs) films using state-of-the-art molecular beam epitaxy overcomes the disadvantages of the…
Selective Trapping of Hexagonally Warped Topological Surface States in a Triangular Quantum Corral
Mu Chen, Yeping Jiang, Junping Peng +10
The surface of a three-dimensional topological insulator (TI) hosts two-dimensional massless Dirac fermions (DFs), the gapless and spin-helical nature of which yields many exotic p…