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10 papers · 2 filters
Epitaxial Stabilization of Ultrathin Films of Rare-Earth Nickelates
D. J. Meyers, E. J. Moon, M. Kareev +6
We report on the synthesis of ultrathin films of highly distorted EuNiO3 (ENO) grown by interrupted pulse laser epitaxy on YAlO3 (YAO) substrates. Through mapping the phase space o…
Magnetic-Order Induced Spectral-Weight Redistribution in a Triangular Surface System
Gang Li, Philipp Höpfner, Jörg Schäfer +6
The Sn-induced surface reconstruction on Si(111) has been investigated by material-specific many-body calculations and by angle-resolved photoelectron spectr…
Subband structure of a two-dimensional electron gas formed at the polar surface of the strong spin-orbit perovskite KTaO
P. D. C. King, R. H. He, T. Eknapakul +13
We demonstrate the formation of a two-dimensional electron gas (2DEG) at the surface of the transition-metal oxide KTaO. From angle-resolved photoemission, we find…
Measurement of an Exceptionally Weak Electron-Phonon Coupling on the Surface of the Topological Insulator BiSe Using Angle-Resolved Photoemission Spectroscopy
Z. -H. Pan, A. V. Fedorov, D. Gardner +3
Gapless surface states on topological insulators are protected from elastic scattering on non-magnetic impurities which makes them promising candidates for low-power electronic app…
Effective screening and the plasmaron bands in Graphene
Andrew L. Walter, Aaron Bostwick, Ki-Joon Jeon +10
Electron-plasmon coupling in graphene has recently been shown to give rise to a "plasmaron" quasiparticle excitation. The strength of this coupling has been predicted to depend on…
Ambipolar Field Effect in Topological Insulator Nanoplates of (BixSb1-x)2Te3
Desheng Kong, Yulin Chen, Judy J. Cha +11
Topological insulators represent a new state of quantum matter attractive to both fundamental physics and technological applications such as spintronics and quantum information pro…