Figure 1.
(a) In a linear tip raster pattern, the probe is moved in one direction (orange arrows), is turned around (red arrows) to retrace the line (green arrows), and then advanced to the following line (blue arrows). (b) The first scanning tunneling microscopic observation on the atomic reconfiguration of surface atoms of Si{111}. Image (a) reproduced with permission from ref 27. Copyright 2017 AIP Publishing. Image (b) reproduced with permission from ref 28. Copyright 1987 American Physical Society.