TA Prikhna, W Gawalek, YM Savchuk… - Physica C …, 2003 - ui.adsabs.harvard.edu
Abstract The addition of Ta (2-10 wt.%) to a starting mixture of Mg and B (taken in the MgB 2
stoichiometry) and application of high pressure (2 GPa) during the synthesis process (800 …