1. Department of Polymer Engineering; The University of Akron Akron, OH 44325 USA
2. IBM Almaden Research Center; 650 Harry Road San Jose CA 95120
3. Department of Materials Science and Engineering; Carnegie Mellon University, 5000, Forbes Ave Pittsburgh, PA 15213 USA
4. NIST Center for Neutron Research, NIST; Gaithersburg, MD 20889 USA
5. Department of Materials Science and Engineering; University of Maryland, College Park 20742 USA
6. Department of Chemistry; Bogazici University Bebek Istanbul 34342 Turkey