Dresden 2017 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 75: Poster Session: Transport 1

TT 75.23: Poster

Donnerstag, 23. März 2017, 15:00–19:00, P2-EG

Parallel fabrication of an entire array of carbon nanotubes devices: a new approach to stamping techniques — •Christian Bäuml, Korbinian Mühlberger, Julian Heger, Christoph Strunk, and Nicola Paradiso — University of Regensburg

We present a new approach to the fabrication of devices based on carbon nanotubes (CNTs) in the low disorder regime. Our fabrication method consists of growing CNTs on a transparent quartz chip and stamping them on an array of tens of devices. The quartz chip and the recipient chip are designed in such a way that during the stamping process the CNTs do not touch any substrate and stays suspended on the electrodes of the recipient devices. The parallel transfer of tens of CNTs highly increases the average number of usable devices per chip. The resulting CNT-based devices are characterized via transport measurements at different temperatures down to the mK-regime. The separation of growth chip from the measurement chip allows one to freely choose the material for the electrodes, opening the way for the implementation of CNT-based devices with superconducting or ferromagnetic leads.