1. Faculty of Engineering, Autonomous University of Yucatan, Yucatán, Mérida, Mexico
2. Materials Department, Centro de Investigación Científica de Yucatán, Yucatán, Mérida, Mexico
3. Engineering Department, University of Quintana Roo, Quintana Roo, Chetumal, Mexico
4. Department of Physics and Engineering, Westmont College, Santa Barbara, CA, USA