1. Department of Energy, Faculty of Engineering, University of America, Ak. 1 #20-53, Bogota 110111, Colombia
2. Department of Chemical and Materials Engineering, University of Alberta, 9211 116 Street NW, Edmonton, AB T6G 1H9, Canada
3. CONAHCYT—Centro de Investigación en Materiales Avanzados, S.C., Subsede Durango, Calle CIMAV #110, Ejido Arroyo Seco, Durango 34147, Mexico