1. Department of Physics, MES Abasaheb Garware College, Karve Road, Pune 411 004, India
2. Thin Films and Nanomaterials Laboratory, Department of Physics, Savitribai Phule Pune University, Pune 411 007, India
3. Admatius Innovations Pvt. Ltd., Wakad, Pune 411 057, India
4. Elektronenmikroskopie-Techniker, Universität Greifswald, Institut für Geographie und Geologie, Friedrich-Ludwig-Jahn-Str. 17A, 17487 Greifswald, Germany
5. Centre for Materials for Electronic Technology (C-MET), Ministry of Electronics and Information Technology (MeitY), Government of India, Panchawati, Pashan Road, Pune 411008, India