Development of multifilamentary superconducting wire of magnesium diboride with addition of a carbon source - Ribeiro, Eleazar José; Komorizono, Amanda Akemy; Rigamonti Jr., Humberto; Pinto, Pérsio Mozart; Silva, Lucas Barboza Sarno da; Rodrigues Jr, Durval (XL Encontro Nacional de Física da Matéria Condensada (XL ENFMC), 2017)