In the past F. Finkbeiner has collaborated on articles with M. Scherschel. One of their most recent publications is Superconducting aluminium tunnel junctions with indium absorbers for low-energy X-ray spectroscopy. Which was published in journal Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment.

More information about F. Finkbeiner research including statistics on their citations can be found on their Copernicus Academic profile page.

F. Finkbeiner's Articles: (2)

Superconducting aluminium tunnel junctions with indium absorbers for low-energy X-ray spectroscopy

AbstractWe report here on studies of the preparation of and on measurement with an absorber-type tunnel junction detector (Al/Al2O3/Al/In) suitable for low-energy X-ray spectroscopy. With a 55Fe source of 6 keV the energy resolution was determined to be 3.3% at a temperature of 276 mK. The experiments indicate that mainly phonons with E ≥ 2ΔAl, generated in the indium absorbers, contribute to the observed detector signals.

Superconducting strip detectors as position sensitive particle detectors

AbstractThe feasibility of using of current-biased superconducting strips for radiation detection is investigated. Narrow Ta strips are exposed to 5.5 MeV α-particle radiation and the rise-time of the induced voltage pulses is measured as function of temperature and bias current. The rise-time of the voltage signal strongly depends on the site on the strip which is hit by the α-particle. In order to determine the spatial resolution of a superconducting strip detector, position-sensitive measurements were performed. The maximum lateral resolution estimated so far is 25μm in a 7μm wide, 340 nm thick and 0.6 mm long Ta-strip.

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