The primary ingredients comprise in {TAIL ~ relative proportions}, 96.70 99.83 wt % SrTiO3, 0.15 2.30 wt % WO3, and {HEAD ~ 0.02 1.00 wt % CuO} 
in
The primary ingredients comprise in { TAIL ~ relative proportions } , 96.70 99.83 wt % SrTiO3 , 0.15 2.30 wt % WO3 , and { HEAD ~ 0.02 1.00 wt % CuO }
OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD