1. Khulna University of Engineering & Technology (KUET),Department of Materials Science and Engineering (MSE),Khulna,Bangladesh,9203
2. Khulna University of Engineering & Technology (KUET),Department of Electrical and Electronic Engineering (EEE),Khulna 9203,Bangladesh
3. Waterloo Institute for Nanotechnology, University of Waterloo,Department of Electrical and Computer Engineering,Waterloo,ON,Canada
4. School of Electrical and Information Engineering The University of Sydney,NSW,Australia,2006