1. Micro and Nanotechnology Research Center (MICRONA), Veracruz University, Boca del Río, Veracruz 94294,
Mexico
2. Master Program in Applied Engineering, Faculty of Construction Engineering and Habitat, Veracruz University, Boca del Río,
Veracruz 94294, Mexico
3. International Laboratory of Environmental Electron Devices (LAIDEA), National School of Higher Studies Unit Morelia, National Autonomous University of Mexico (ENES Morelia UNAM), 58190 Morelia,
Mexico
4. Semiconductor Optics, Institute of Solid-State Physics, University of Bremen, 28359 Bremen,
Germany
5. MAPEX Center of Materials and Processes, University of Bremen, 28359 Bremen, Germany