Available pseudopotentials:
Perdew-Zunger (LDA) exch-corr semicore state d in valence Rabe Rappe Kaxiras Joannopoulos (ultrasoft)
Perdew-Zunger (LDA) exch-corr Bachelet-Hamann-Schlueter and derived
Perdew-Burke-Ernzerhof (PBE) exch-corr semicore state d in valence Rabe Rappe Kaxiras Joannopoulos (ultrasoft)
Perdew-Zunger (LDA) exch-corr nonlinear core-correction Bachelet-Hamann-Schlueter and derived