Chapter in Porous SiC and GaN: Epitaxy, Catalysis, and Biotechnology Applications, ed. R. M. Feenstra and C. E. C. Wood (Wiley, West Sussex, 2008).
Ashutosh Sagar (a), R. M. Feenstra (a), and J. A. Freitas, Jr. (b) (a) Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 (b) Naval Research Laboratory, Electronics Materials Branch, Washington, DC, USA