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Disentangling bulk and surface states in the electronic structure of PtBi(0001)
Stefanie Suzanne Brinkman, Xin Liang Tan, Anders Christian Mathisen +13
Recent reports of surface-localized topological superconductivity in trigonal PtBi highlight the importance of understanding its surface electronic structure. We investigate th…
Electronic Structure and Resonant Circular Dichroism of LaSrMnO from Soft X-ray Angle-Resolved Photoemission
Øyvind Finnseth, Damian Brzozowski, Anders Christian Mathisen +12
Coupling between spin, orbital, charge, and lattice degrees of freedom in transition-metal oxides produces a variety of electronic and magnetic phenomena of importance for future t…
Anomalous 4 fine structure in TmSeTe across the metal-insulator transition
C. -H. Min, S. Müller, W. J. Choi +17
Hybridization between localized 4 and itinerant 56 states in heavy fermion compounds is a well-studied phenomenon and commonly captured by the paradigmatic Anderson model.…
Tomographic Imaging of Orbital Vortex Lines in Three-Dimensional Momentum Space
T. Figgemeier, M. Ünzelmann, P. Eck +16
We report the experimental discovery of orbital vortex lines in the three-dimensional (3D) band structure of a topological semimetal. Combining linear and circular dichroism in sof…
Incipient antiferromagnetism in the Eu-doped topological insulator BiTe
Abdul Tcakaev, Volodymyr B. Zabolotnyy, Celso I. Fornari +14
Rare earth ions typically exhibit larger magnetic moments than transition metal ions and thus promise the opening of a wider exchange gap in the Dirac surface states of topological…
Orbital Complexity in Intrinsic Magnetic Topological Insulators MnBiTe and MnBiTe
R. C. Vidal, H. Bentmann, J. I. Facio +16
Using angle-resolved photoelectron spectroscopy (ARPES), we investigate the surface electronic structure of the magnetic van der Waals compounds MnBiTe and MnBiTe$_{10}…