64 citations · 133 across the 6 of their papers we have counts for
6 papers
Topological boundary states in engineered quantum-dot molecules on the InAs(111)A surface
Van Dong Pham, Yi Pan, Steven C. Erwin +3
Atom manipulation by scanning tunneling microscopy was used to construct quantum dots on the InAs(111)A surface. Each dot comprised six ionized indium adatoms. The positively charg…
Quantum dots on the InAs(110) cleavage surface created by atom manipulation
Van Dong Pham, Yi Pan, Steven C. Erwin +1
Cryogenic scanning tunneling microscopy was employed in combination with density-functional theory calculations to explore quantum dots made of In adatoms on the InAs(110) surface.…
Spin Chains and Electron Transfer at Stepped Silicon Surfaces
Julian Aulbach, Steven C. Erwin, Ralph Claessen +1
High-index surfaces of silicon with adsorbed gold can reconstruct to form highly ordered linear step arrays. These steps take the form of a narrow strip of graphitic silicon. In so…
Energy splitting of image states induced by the surface potential corrugation of InAs(111)A
J. Martínez-Blanco, S. C. Erwin, K. Kanisawa +1
By means of scanning tunneling spectroscopy (STS) we study the electronic structure of the III-V semiconductor surface InAs(111)A in the field emission regime (above the vacuum lev…
Investigation of unconventional reconstruction and electronic properties on the Na2IrO3 surface
F. Lupke, S. Manni, S. C. Erwin +3
Na2IrO3 is an intriguing material for which spin-orbit coupling plays a key role. Theoretical predictions, so far unverified, have been made that the surface of Na2IrO3 should exhi…
Evidence for Long-Range Spin Order Instead of a Peierls Transition in Si(553)-Au Chains
J. Aulbach, J. Schaefer, S. C. Erwin +5
Stabilization of the Si(553) surface by Au adsorption results in two different atomically defined chain types, one of Au atoms and one of Si. At low temperature these chains develo…