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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…
Hole-Like Fermi Surface in the Overdoped Non-Superconducting BiPbSrCuO
T. Valla, P. Pervan, I. Pletikosić +4
In high-temperature cuprate superconductors, the anti-ferromagnetic spin fluctuations are thought to have a very important role in naturally producing an attractive interaction bet…
Multi hole bands and quasi 2-dimensionality in Cr2Ge2Te6 studied by angle-resolved photoemission spectroscopy
T. Yilmaz, R. M. Geilhufe, I. Pletikosić +5
In the present work, we investigate the electronic structure of the two-dimensional (2D) ferromagnet Cr2Ge2Te6 by photoemission spectroscopy and ab initio calculations. Our results…
Valence band electronic structure of the van der Waals ferromagnetic insulators: VI and CrI
Asish K. Kundu, Yu Liu, C. Petrovic +1
Ferromagnetic van der Waals (vdW) insulators are of great scientific interest for their promising applications in spintronics. It has been indicated that in the two materials withi…
Origin of Suppression of Proximity Induced Superconductivity in Bi/BiSrCaCuO Heterostructure
Asish K. Kundu, Ze-Bin Wu, I. K. Drozdov +2
Mixing of topological states with superconductivity could result in topological superconductivity with the elusive Majorana fermions potentially applicable in fault-tolerant quantu…