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 about 50 molar percent of the Group {HEAD ~ IIIA elements} in {TAIL ~ the source material} 
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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 about 50 molar percent of the Group { HEAD ~ IIIA elements } in { TAIL ~ the source material }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL