SYLVANUS, C. Optical characterization of reduced graphene Based composite thin films: Left- Handed Materials (Metamaterials). OAJ Materials and Devices, [S. l.], v. 8, 2024. Disponível em: https://caip.co-ac.com/index.php/materialsanddevices/article/view/174. Acesso em: 7 oct. 2024.