Electronic supplementary material.The online version of this article (doi:10.1007/s11671-009-9365-z) contains supplementary material, which is available to authorized users. Format: DOC Size: 1.2MB Download file This file can be viewed with: Microsoft Word Viewer Babu and Dhamodharan Nanoscale Research Letters 2009 4:1090 doi:10.1007/s11671-009-9365-z |