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SYOE: Symposium Organic Thin Film Electronics: From Molecular Contacts to Devices

SYOE 8: Poster Session SYOE

SYOE 8.101: Poster

Tuesday, March 27, 2007, 18:00–20:00, Poster B

Organic FETs with high-κ dielectric — •Florian Roth, Kerstin Keller, and Michael Huth — University Frankfurt, Max-von-Laue-Str. 1, 60438 Frankfurt am Main

Organic thin films of small molecules such as CuPc or BEDT-TTF (ET) were grown by organic molecular beam deposition. Using an in-situ shadow mask technique field effect transistors in the inverted MISFET structure were prepared. To investigate their electronic properties for charge carrier densities up to 10¹³cm⁻² in the active layer a high-κ dielectric layer was employed. In this context SrTiO₃ layers were grown by rf-sputtering and characterized by x-ray diffraction. Furthermore, their temperature dependent dielectric properties were determined.