Affiliation: | 1.Department of Physics, Catholicate College, Pathanamthitta, Kerala, 689645, India ;2.Department of Physics, The Cochin College, Kochi, Kerala, 682002, India ;3.School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam, 686560, India ;4.International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala, 686560, India ;5.School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, 686560, India ;6.Université de Lorraine, CNRS, IJL, 54000, Nancy, France ;7.Nanosensors and Nanoenergy Lab, Department of Sensors and Biomedical Technology, School of Electronics Engineering, Vellore Institute of Technology, Tamil Nadu, Vellore, 632014, India ;8.Sensor Systems Lab, Department of Sensor and Biomedical Technology, School of Electronics Engineering, Vellore Institute of Technology, Tamil Nadu, Vellore, 632014, India ; |