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Minority-spin states and the degree of spin polarization in ferromagnetic metallic LaSrMnO ()
Z. Sun, Q. Wang, J. F. Douglas +10
Using angle-resolved photoemission spectroscopy (ARPES), we investigate the electronic band structure and Fermi surface of ferromagnetic LaSrMnO (…
Fully gapped topological surface states in BiSe films induced by a d-wave high-temperature superconductor
Eryin Wang, Hao Ding, Alexei V. Fedorov +17
Topological insulators are a new class of materials, that exhibit robust gapless surface states protected by time-reversal symmetry. The interplay between such symmetry-protected t…
Chemically gated electronic structure of a superconducting doped topological insulator system
L. A. Wray, S. Xu, M. Neupane +4
Angle resolved photoemission spectroscopy is used to observe changes in the electronic structure of bulk-doped topological insulator CuBiSe as additional copper atoms a…
Termination dependent topological surface states of the natural superlattice phase BiSe
Q. D. Gibson, L. M. Schoop, A. P. Weber +9
We describe the topological surface states of BiSe, a compound in the infinitely adaptive Bi-BiSe natural superlattice phase series, determined by a combination…
Charge-Carrier Screening in Single-Layer Graphene
David A. Siegel, William Regan, Alexei V. Fedorov +2
The effect of charge-carrier screening on the transport properties of a neutral graphene sheet is studied by directly probing its electronic structure. We find that the Fermi veloc…
Quasiparticle Dynamics in Reshaped Helical Dirac Cone of Topological Insulators
Lin Miao, Z. F. Wang, Wenmei Ming +14
Topological insulators (TIs) and graphene present two unique classes of materials which are characterized by spin polarized (helical) and non-polarized Dirac-cone band structures,…