Homework #3
1. Who are the winners of 1986 Nobel Prize in Physics?
2. How atomic force microscopy (AFM) could be used to characterize
semiconductors?
3. Compare contact mode, tapping mode and semi-contact mode AFM. What are
the similarities and differences?
4. Explain how to grow epitaxial self-assembled quantum dots.
5. Figure 1 is the schematic of a scanning near field optical microscopy (SNOM).
What are the terms in the (1)-(9)? (note: laser, objective (lens), sample, substrate,
fiber holder, and avalanched photo-diode (APD))
6. What is the major advantage of near field optical spectroscopy?
Figure 1: A schematic of a scanning near field optical microscopy (SNOM).