1. Department of Physics, University of Central Florida, Orlando, Florida 32816, United States
2. CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, United States
3. NanoScience Technology Center, University of Central Florida, Orlando, Florida 32826, United States
4. Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32816, United States
5. Advanced Materials Processing and Analysis Centre, University of Central Florida, Orlando, Florida 32816, United States