Sp3-network superconductors made from IVth-group elements Rachi, T. ; Kumashiro, R. ; Fukuoka, H. ; Yamanaka, S. ; Tanigaki, K. Abstract Publication: Science and Technology of Advanced Materials Pub Date: August 2006 DOI: 10.1016/j.stam.2006.02.012 Bibcode: 2006STAdM...7S..88R