[1] Indian Inst Technol, Sch Nano Sci & Technol, Kharagpur 721302, West Bengal, India
[2] Rice Univ, Dept Earth Environm & Planetary Sci, Houston, TX 77005 USA
[3] Univ Estadual Campinas, Appl Phys Dept, BR-13083970 Campinas, SP, Brazil
[4] Indian Inst Technol Kharagpur, Dept Elect & Elect Commun Engn, Kharagpur 721302, India
[5] Air Force Res Lab, Mat & Mfg Directorate, Wright Patterson AFB, OH 45433 USA
[6] Rice Univ, Dept Mat Sci & Nanoengn, Houston, TX 77005 USA
[7] Indian Inst Technol Kharagpur, Met & Mat Engn, Kharagpur 721302, India