474 citations · 12.3k across the 278 of their papers we have counts for
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Operating a phase-locked loop controlling a high-Q tuning fork sensor for scanning force microscopy
T. Ihn, T. Vancura, A. Baumgartner +2
The implementation of a tuning fork sensor in a scanning force microscope operational at 300 mK is described and the harmonic oscillator model of the sensor is motivated. These sen…
Energy spectra of quantum rings
A. Fuhrer, S. Luescher, T. Ihn +4
Ring geometries have fascinated experimental and theoretical physicists over many years. Open rings connected to leads allow the observation of the Aharonov-Bohm effect, a paradigm…
Heating of Two-Dimensional Holes in SiGe and the B = 0 Metal-Insulator Transition
R. Leturcq, D. L'Hote, R. Tourbot +6
We study the resistivity vs. electric field dependence of a 2D hole system in SiGe close to the B=0 metal-insulator transition. Using as a ``thermometer'' to obtain the…
Analysis of the resistance in p-SiGe over a wide temperature range
V. Senz, T. Ihn, T. Heinzel +6
The temperature dependence of a system exhibiting a `metal-insulator transition in two dimensions at zero magnetic field' (MIT) is studied up to 90K. Using a classical scattering m…