2 article(s) from Tewari, Sumit
Figure 1: Schematic of the experimental setup. The components of the setup include a cryogenic UHV STM, a 3D ...
Figure 2: (a) Atomically flat Au(111) surface with herringbone reconstruction and straight step edges in crys...
Figure 3: Snapshot of the molecular dynamics simulation showing the different atom types. ‘Normal’ gold atoms...
Figure 4: Determination of surface atom positions via geometric argumentation: The two panels show STM images...
Figure 5: (a, c, e) show the STM images with the topography colour scale tuned to show a smaller apparent siz...
Figure 6: (a) Complete tip trajectory for the second step starting from position ‘ii’ in the lattice and (b) ...
Figure 7: A one-dimensional model of electronic transport through a monoatomic chain [50]. To differentiate betwe...
Figure 1: Six consecutive conductance traces of contact breaking showing (a) an initially non-repetitive stru...
Figure 2: Schematic representation of the tip preparation process proposed in this article, where mechanical ...
Figure 3: The six panels show constant-height images of a single adatom. Panel (a) shows a non-circular image...
Figure 4: Normalized constant-height images starting from another initial tip apex (a) evolving towards a sym...
Figure 5: Ratio of major to minor axis of the elliptical fit showing the convergence of the tip apex structur...