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Dresden 2011 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 85: Poster Session II

HL 85.41: Poster

Thursday, March 17, 2011, 18:00–21:00, P4

Electrical transport properties of TiO2 single nanotube — •Tuhin Subhra Maity1, José Quiquia1, Winfried Böhlmann1, Pablo Esquinazi1, Tobias Ruff2, and Patrik Schmuki21Division of Superconductivity and Magnetism, Institute for Experimental Physics II,University of Leipzig — 2Department of Materials Science and Engineering, University of Erlangen Nüremberg

In the present work we investigate the electrical conductivity of single TiO2 nanotubes. TiO2 nanotubes were synthesized by anodization of Ti in fluoride containing electrolytes. For the characterization of the sample morphology scanning electron microscope and EDX-detector was used. The structural property was determined by XRD. Electron lithography method was used to make the gold contact on the nanotubes. The electrical properties of single nanotubes were measured at different temperatures and magnetic fields. Resistivity values at room temperature were found of the order of ∼10−2 Ωcm. Furthermore, we explored the effects of atmospheric conditions and light irradiation on conductivity of single TiO2 nanotubes.

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