77 citations · 330 across the 18 of their papers we have counts for
18 papers
Intermodulation spectroscopy and the nonlinear response of two-level systems in superconducting coplanar waveguide resonators
Janka Biznárová, J. C. Rivera Hernández, Daniel Forchheimer +3
Two-level system (TLS) loss is typically limiting the coherence of superconducting quantum circuits. The loss induced by TLS defects is nonlinear, resulting in quality factors with…
IQ Mixer Calibration for Superconducting Circuits
S. W. Jolin, R. Borgani, M. O. Tholén +2
An important device for modulation and frequency translation in the field of circuit quantum electrodynamics is the IQ mixer, an analog component for which calibration is necessary…
Calibrating torsional eigenmodes of micro cantilevers for dynamic measurement of frictional forces
Per-Anders Thorén, Riccardo Borgani, Daniel Forchheimer +1
Non-invasive thermal noise calibration of both torsional and flexural eigenmodes is performed on numerous cantilevers of 10 different types. We show that for all tipless and short-…
On modeling and measuring viscoelasticity with dynamic Atomic Force Microscopy
Per-Anders Thorén, Riccardo Borgani, Daniel Forchheimer +7
The interaction between a rapidly oscillating atomic force microscope tip and a soft material surface is described using both elastic and viscous forces with a moving surface model…
Background force compensation in dynamic atomic force microscopy
Riccardo Borgani, Per-Anders Thorén, Daniel Forchheimer +4
Background forces are linear long-range interactions of the cantilever body with its surroundings that must be compensated for in order to reveal tip-surface force, the quantity of…
Imaging high-speed friction at the nanometer scale
Per-Anders Thorén, Astrid S. de Wijn, Riccardo Borgani +2
Friction is a complicated phenomenon involving nonlinear dynamics at different length and time scales[1, 2]. The microscopic origin of friction is poorly understood, due in part to…