1. Department of Mechanical Engineering, Binghamton University, Binghamton, New York 13902, USA
2. Department of Materials Science Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
3. Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
4. A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, Pennsylvania 19104, USA