Berlin 2008 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 7: Matter at Low Temperature: Poster Session
TT 7.10: Poster
Montag, 25. Februar 2008, 14:00–18:00, Poster B
Design of a 300 mK UHV 9 T scanning tunnelling microscope — •Danny Baumann1, Paul Sass1, Torben Hänke1, Grzegorz Urbanik1, Christian Hess1, Marko Kaiser2, Ralf Voigtländer2, Dirk Lindackers2, and Bernd Büchner1 — 1Institut für Festkörperforschung, IFW Dresden — 2Bereich Forschungstechnik, IFW Dresden
We present our progress in assembling an ultra high vacuum (UHV) Scanning Tunneling Microscope (STM) for operating temperatures down to 300 mK and magnetic fields up to 9 T. The microscope will be mounted in a UHV 3He cryostate which is connected with a three-chamber UHV system. The system will comprise in-situ tip exchange, a coarse xy-sample positioning system and five electrical leads on the sample holder for combining STM with transport measurements. In this work we will present the characterization of the actual STM unit.