1. Department of Electrical Engineering (SEES), Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. IPN 2508, Col. San Pedro Zacatenco, Ciudad de México, C.P 07360, Mexico
2. Institute of Molecules and Materials of Le Mans UMR-CNRS 6283, Le Mans University, 70285 Le Mans, France
3. Department of Biological and Agricultural Engineering, Agrilife Extension, Texas A & M University, College Station, Texas 77843, USA
4. Department of Materials Science and Engineering, Texas A&M University, College Station, 77802, Texas, USA