1. Department of Physics and Astronomy; Rutgers University; Piscataway NJ 08854 USA
2. Polyera Corporation; 8025 Lamon Avenue Skokie IL 60077 USA
3. Center of Excellence for Advanced Materials Research (CEAMR); King Abdulaziz University; P.O. Box 80203 Jeddah 21589 Saudi Arabia
4. Institute for Advanced Materials and Devices for Nanotechnology (IAMDN); Rutgers University; Piscataway NJ 08854 USA