1. Graduate Program in Materials Science and Engineering, Federal University of Ceará, Fortaleza 60440-900, Brazil
2. Science and Technology Center of the Inhamuns Region, Ceara State University Education, Taua 60000-000, Brazil
3. Department of Analytical Chemistry and Physical Chemistry, Federal University of Ceará, Fortaleza 60440-900, Brazil
4. CIEFMA, Department of Materials Science and Engineering, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya, 08019 Barcelona, Spain
5. Science and Technology Center—Physics Course, Itaperi Campus, Ceará State University, Fortaleza 62930-000, Brazil
6. Department of Physics, Federal University of Ceará, Fortaleza 60455-760, Brazil