1. Department of Mechanical Engineering & Materials Science and Engineering Program, State University of New York, Binghamton, New York 13902, United States
2. Department
of Chemistry, Physics and Engineering, Biola University, La Mirada, California 90639, United States
3. Department of Physics, Applied Physics and Astronomy & Materials Science and Engineering Program State University of New York, Binghamton, New York 13902, United States
4. Department of Electrical & Computer Engineering, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States