Electrical properties and charge compensation mechanisms of Cr-doped rutile, TiO<sub>2</sub>
Yun Dang, Xin Li Phuah, Han Wang, Bo Yang, Haiyan Wang, Anthony R. West
Abstract
Ti 1− x Cr x O 2− x /2− δ (0 ≤ x ≤ 0.05) ceramics show high electronic conductivity at low x attributed to oxygen vacancy compensation by co-doping with Ti 3+ and Cr 3+ ions. At intermediate x , p-type conductivity is attributed to hole location on under-bonded oxygen.
Topics & Concepts
RutileDopingConductivityMaterials scienceElectrical resistivity and conductivityIonVacancy defectOxygenCeramicCharge (physics)Analytical Chemistry (journal)Inorganic chemistryMineralogyPhysical chemistryCrystallographyChemistryOptoelectronicsMetallurgyPhysicsQuantum mechanicsOrganic chemistryChromatographyAdvancements in Solid Oxide Fuel CellsElectronic and Structural Properties of OxidesFerroelectric and Piezoelectric Materials