prov:value
| - to the formula ABO3, in which A represents a metal that may be drawn from alkali, alkali earth, rare earth, or other metal such as potassium, strontium, lanthanum, neodymium, cerium, yttrium, lead, bismuth or the like, and B represents a transition metal such as cobalt, iron, nickel, or the like. (Perovskite actually can have even broader compositions for metal substitution, as will become clear l
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