Electrical conductivity and thermoelectric power of CaTiO₃ at n–p transitionFootnote
† *This project has been performed as part of R&D programme on solar hydrogen.

T. BakCentre for Materials Research in Energy Conversion, School of Materials Science and Engineering, University of New South Wales, Sydney, NSW2052, Australia

T. BurgCentre for Materials Research in Energy Conversion, School of Materials Science and Engineering, University of New South Wales, Sydney, NSW2052, Australia

J. NowotnyCentre for Materials Research in Energy Conversion, School of Materials Science and Engineering, University of New South Wales, Sydney, NSW2052, AustraliaCorrespondence[email protected]

P. J. BlennerhassettSchool of Mathematics, University of New South Wales, Sydney, NSW2052, Australia

Abstract

The effect of oxygen activity on electrical conductivity and thermoelectric power for CaTiO₃ is determined within the n–p transition. The oxygen activity related to the n–ip transition point, which is determined from the minimum of the electrical conductivity and the zero value of thermoelectric power, exhibits a discrepancy. The discrepancy is considered in terms of the different mobilities of electrons and electron holes. The mobility ratio determined in the present work in the temperature range 1173–1323 K varies between 1·1 and 2·7.

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† *This project has been performed as part of R&D programme on solar hydrogen.

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Electrical conductivity and thermoelectric power of CaTiO₃ at n–p transitionFootnote
† *This project has been performed as part of R&D programme on solar hydrogen.

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Electrical conductivity and thermoelectric power of CaTiO3 at n–p transitionFootnote† *This project has been performed as part of R&D programme on solar hydrogen.

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Electrical conductivity and thermoelectric power of CaTiO₃ at n–p transitionFootnote
† *This project has been performed as part of R&D programme on solar hydrogen.