Garry Glaspell, Asit B. P anda, and M. S. El-Shall Citation: J. Appl. Phys. , 124307 (2006); doi: 10.1063/1.2400805 View online: http://dx.doi.org/10.1063/1.2400805 View Table of Contents: http://jap.aip.org/resource/1/JAPIAU/v100/i12 Published by the American Instit ute of Physics. Journal Homepage: http://jap.aip.org/ Journal Information: http://jap.aip.org/about/about_the_journal Top downloads: http://jap.aip.org/features/most_downloaded Information for Authors: http://jap.aip.org/authors Downloaded 31 Jan 2013 to 117.239.94.10. Redistribution subject to AIP license or copyright; see http://jap.aip.org/about/rights_and_permission s