Patent ID: 11915871
Assignee: THE UNIVERSITY OF NORTH CAROLINA AT GREENSBORO
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 2:
3. The device of claim 1, wherein the transition metal oxide comprises Al2O3, Bi2O3, Bi2O5, MoO2, RuO2, Sb2O3, NbO, NbO2, SnO, SnO2, CrO, CrO2, Cr2O3, ZrO2, B2O3, V2O5, TiO2, NiO, Ni2O3, MnO2, Mn2O3, CoO, Co2O3, FeO, Fe2O3, ZrO2, Ta2O5, HfO2, or Y2O3.