1. Integrated Composites Laboratory (ICL), Dan F. Smith Department of Chemical Engineering, Lamar University, Beaumont, Texas 77710, United States
2. Department of Chemistry and Biochemistry, Lamar University, Beaumont, Texas 77710, United States
3. Magnetic Head Operation, Western Digital Corporation, Fremont, California 94539, United States
4. Department of Chemistry and Biochemistry, Texas State University—San Marcos, San Marcos, Texas 78666, United States
5. Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, United States
6. University of North Carolina at Asheville, Asheville, North Carolina 28804-8511, United States
7. Microscopy and Imaging Center, Texas A&M University, College Station, Texas 77843, United States