Abstract
The space charge limited conduction (SCLC) mechanism in Co doped TiO2 has been investigated at different temperatures. At lower electric fields, ohmic behaviour is observed while at higher electric fields nonohmic behaviour is observed. The results obtained confirm the presence of SCLC in Co doped TiO2. The electronic parameters such as the position of the Fermi level above the valence band edge EF, the density of states in valence band NV and effective mass of holes mh were found as 12·32 meV, 1·26 × 1015 m−3 and 1·33 × 10−7 me, respectively. The distribution of localised states in the forbidden band gap of the Co doped TiO2 was characterised by current–voltage measurements and the density of localised states near the Fermi level N(EF) was found to be 2·11 × 1017 eV−1 m−3.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
