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Surface buckling of phosphorene materials: determination, origin and influence on electronic structure
Zhongwei Dai, Wencan Jin, Jie-Xiang Yu +7
The surface structure of phosphorene crystals materials is determined using surface sensitive dynamical micro-spot low energy electron diffraction (μLEED) analysis using a high spa…
Observation of oscillatory relaxation in the Sn-terminated surface of epitaxial rock-salt SnSe topological crystalline insulator
Wencan Jin, Suresh Vishwanath, Jianpeng Liu +20
Topological crystalline insulators have been recently predicted and observed in rock-salt structure SnSe thin films. Previous studies have suggested that the Se-terminate…
Atom-Wide Co Wires on Cu(775) at Room Temperature
Nader Zaki, Denis Potapenko, Peter D. Johnson +1
We report on a new surface phase of the Co-vicinal-Cu(111) system which exhibits self-assembled uniform Co quantum wires that are stable at 300K. STM-imaging measurements show that…
The failure of DFT-based computations for a stepped-substrate-supported correlated Co wire
Nader Zaki, Hyowon Park, Richard M. Osgood +2
Density functional theory (DFT) has been immensely successful in its ability to predict physical properties, and, in particular, structures of condensed matter systems. Here, howev…
Making ARPES Measurements on Corrugated Monolayer Crystals: Suspended Exfoliated Single-Crystal Graphene
Kevin R. Knox, Andrea Locatelli, Mehmet B. Yilmaz +6
Free-standing exfoliated monolayer graphene is an ultra-thin flexible membrane, which exhibits out of plane deformation or corrugation. In this paper, a technique is described to m…
Spectro-microscopy of single and multi-layer graphene supported by a weakly interacting substrate
Kevin R. Knox, Shancai Wang, Alberto Morgante +6
We report measurements of the electronic structure and surface morphology of exfoliated graphene on an insulating substrate using angle-resolved photoemission and low energy electr…