Dresden 2011 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 33: Brownian Motion, Stochastic Processes, Transport I

DY 33.7: Vortrag

Donnerstag, 17. März 2011, 15:45–16:00, HÜL 186

Nano-Mechanical Single-Electron Devices — •Alex Croy and Alex Eisfeld — MPI-PKS Dresden

The fabrication and utilization of nanoscale machines and devices is one of the great promises of the 21st century. In particular, so-called nanoelectromechanical systems provide intriguing possibilities for applications beyond common paradigms. The involvement of mechanical parts promises increased robustness, low power-consumption and higher operating temperature compared to conventional devices. One paradigm in this regard is the nanomechanical single-electron transistor (NEMSET) proposed by Gorelik et al. which can exhibit mechanically assisted charge transport.

In this context, we present theoretical results for two new nanomechanical single-electron devices, which promise interesting applications. The first device consists of two couples NEMSETs and can be used for storage of information. The second device is a single-electron rotor, which generalizes the NEMSET concept and can act as a charge pump.