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Absence of a Dirac gap in ferromagnetic Cr(BiSb)Te
Chung Koo Kim, Jonathan D. Denlinger, Asish K. Kundu +2
Magnetism breaks the time reversal symmetry expected to open a Dirac gap in 3D topological insulators that consequently leads to quantum anomalous Hall effect. The most common appr…
Spatially correlated incommensurate lattice modulations in an atomically thin high-temperature Bi_{2.1}Sr_{1.9}CaCu_{2.0}O_{8+δ} superconductors
Nicola Poccia, Shu Yang Frank Zhao, Hyobin Yoo +11
Strong variations in superconducting critical temperatures in different families of the cuprate perovskites, even with similar hole doping in their copper-oxygen planes, suggest th…
Coulomb Blockade Effects in a Topological Insulator Grown on a High-Tc Cuprate Superconductor
Bryan Rachmilowitz, He Zhao, Zheng Ren +9
The evidence for proximity-induced superconductivity in heterostructures of topological insulators and high-Tc cuprates has been intensely debated. We use molecular beam epitaxy to…