The e.ffect of simultaneous doping . of Pll in TJ..Q,6 htyer of ’T’lJ-xPb. Ba2Ca2Co_309- o s perconductors. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 21, n. 3, p. 27–38, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1402.. Acesso em: 16 jul. 2024.