Patent ID: 7029982

Claim:
A method of fabricating a doped-PCMO thin film layer comprising: preparing a PCMO precursor solution, including: dehydrating Ca(OAc) 2 (H 2 O) and Mn(OAc) 3 (2H 2 O); mixing Pr(OAc) 3 (H 2 O), Ca(OAc) 2 (H 2 O) and Mn(OAc) 3 (2H 2 O); adding a transition metal additive to the PCMO precursor solution; dissolving the PCMO chemicals and transition metal additive in an organic solvent; heating the doped-PCMO precursor solution at between about 90° to 120° for between about one hour to eight hours; filtering the doped-PCMO through a 0.2 μm filter; thereby forming doped-PCMO spin-coating solution; spin-coating the doped-PCMO spin-coating solution onto a wafer by: injecting the doped-PCMO spin-coating solution onto a wafer surface; spinning the wafer at about 2500 RPM for about 45 seconds; baking the coated wafer at about 180° for about one minute; ramping the baking temperature up to about 230°, and baking for about one minute; annealing the wafer in a RTA furnace at about 500° for about five minutes; repeating the spin-coating process at least three times to fabricate a doped-PCMO layer; and annealing the wafer at between about 500° to 600° for between about one hour to six hours in dry, clean air.