1. LIMAV - Interdisciplinary Laboratory for Advanced Materials BioMatLab, Federal University of Piauí Teresina 64049‐550 PI Brazil
2. Department of Mechanical Engineering Federal University of Piauí Teresina 64049‐550 PI Brazil
3. Post-graduation of Materials Science and Engineering Federal University of Rio Grande do Norte Natal 59078‐900 RN Brazil
4. Department of Physics Federal University of Piauí Teresina 64049‐550 PI Brazil
5. Special Technologies Center National Institute for Space Research São Jose dos Campos 12227‐900 SP Brazil
6. Post-graduation of Mechanical Engineering Federal University of Rio Grande do Norte Natal 59078‐900 RN Brazil