# STM of Point Defects in GaAs

| Here is a set of images coming from the work of the group of Prof. Urban (Research center KFA Jülich).
|  | Various point defects are clearly visible; bigger defects, too. Below some defects at higher magnification:
|  | Si donor in GaAs | Ga vacancy in GaAs
|  | More information under http://www.kfa-juelich.de/iff/Institute/imf/imf-d.shtml

With frame

4.2.1 Point Defects in Non-Equilibrium

© H. Föll (Defects - Script)