activity
20162023
most citedMicrowave study of superconducting Sn films above and below percolation

12 citations · 40 across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.supr-con2023★ 3 cited

Characterization of harmonic modes and parasitic resonances in multi-mode superconducting coplanar resonators

Cenk Beydeda, Konstantin Nikolaou, Marius Tochtermann +8

Planar superconducting microwave transmission line resonators can be operated at multiple harmonic resonance frequencies. This allows covering wide spectral regimes with high sensi…

cond-mat.supr-con2019★ 2 cited

Planar GHz Resonators on SrTiO3: Suppressed Losses at Temperatures below 1 K

Vincent T. Engl, Nikolaj G. Ebensperger, Lars Wendel +1

The complex dielectric constant of SrTiO reaches high values at cryogenic temperatures, while the dielectric losses () are muc…

cond-mat.supr-con2019★ 3 cited

Microwave probing of bulk dielectrics using superconducting coplanar resonators in distant-flip-chip geometry

Lars Wendel, Vincent T. Engl, Gabriele Untereiner +6

Dielectric measurements on insulating materials at cryogenic temperatures can be challenging, depending on the frequency and temperature ranges of interest. We present a technique…

cond-mat.mtrl-sci2019★ 9 cited

Characterizing dielectric properties of ultra-thin films using superconducting coplanar microwave resonators

Nikolaj G. Ebensperger, Benedikt Ferdinand, Dieter Koelle +3

We present an experimental approach for cryogenic dielectric measurements on ultra-thin insulating films. Based on a coplanar microwave waveguide design we implement superconductin…

cond-mat.supr-con2016★ 11 cited

Superconducting Pb stripline resonators in parallel magnetic field and their application for microwave spectroscopy

Nikolaj G Ebensperger, Markus Thiemann, Martin Dressel +1

Planar superconducting microwave resonators are key elements in a variety of technical applications and also act as sensitive probes for microwave spectroscopy of various materials…

cond-mat.mes-hall2016★ 12 cited

Microwave study of superconducting Sn films above and below percolation

Manfred H. Beutel, Nikolaj G. Ebensperger, Markus Thiemann +7

The electronic properties of superconducting Sn films ( 3.8 K) change significantly when reducing the film thickness down to a few nm, in particular close to the perco…