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Scanning tunneling microscopy with InAs nanowire tips
Kilian Flöhr, Kamil Sladek, H. Yusuf Günel +5
Indium arsenide nanowires grown by selective-area vapor phase epitaxy are used as tips for scanning tunneling microscopy (STM). The STM tips are realized by positioning the wires m…
Electronic and magnetic properties of zigzag graphene nanoribbons on the (111) surface of Cu, Ag and Au
Yan Li, Wei Zhang, Markus Morgenstern +1
We have carried out an ab initio study of the structural, electronic and magnetic properties of zigzag graphene nanoribbons on Cu(111), Ag(111) and Au(111). Both, H-free and H-term…
Networks of ABA and ABC stacked graphene on mica observed by scanning tunneling microscopy
Silke Hattendorf, Alexander Georgi, Marcus Liebmann +1
Graphene flakes are prepared on freshly cleaved mica by exfoliation and studied by scanning tunneling microscopy in ultra high vacuum. On few-layer graphene, a triangular network o…
Scanning Tunneling Microscopy and Spectroscopy of Graphene on Insulating Substrates
Markus Morgenstern
Graphene is a truly two-dimensional material with exceptional electronic, mechanical, and optical properties. As such, it consists of surface only and can be probed by the well dev…
Probing two topological surface bands of Sb2Te3 by spin-polarized photoemission spectroscopy
C. Pauly, G. Bihlmayer, M. Liebmann +9
Using high resolution spin- and angle-resolved photoemission spectroscopy, we map the electronic structure and spin texture of the surface states of the topological insulator Sb2Te…