{HEAD ~ The source material} includes Group IB IIIA alloy containing particles having at least one Group IB IIIA alloy phase, with Group IB IIIA alloys constituting greater than about 50 molar percent of the Group IB elements and greater than {TAIL ~ about 50 molar percent} of the Group IIIA elements in the source material 
{ HEAD ~ The source material } includes Group IB IIIA alloy containing particles having at least one Group IB IIIA alloy phase , with Group IB IIIA alloys constituting greater than about 50 molar percent of the Group IB elements and greater than { TAIL ~ about 50 molar percent } of the Group IIIA elements in the source material
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH