2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17736Superconductivity was found for a rhenium boride Re3B at Tc=4.7 K and for ReB2 with Tc in the range from 4.5 to 6.3 K depending on the boron concentrations. Both compounds have the structure different from that of the simple layered diborides, in particular from MgB2.1 pages, 1 figuresSuperconductivitytext