Low-energy X-ray detection in cryogenic detectors with tungsten thermometers

P. Colling, A. Nucciotti, C. Bucci, S. Cooper, P. Ferger, Matthias Frank, U. Nagel, F. Pröbst, W. Seidel

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


In the course of our development of calorimetric particle detectors with superconducting phase transition thermometers, we have succeeded in depositing epitaxial α-tungsten films on sapphire which have critical temperatures Tc near 15 mK. To our knowledge this is the first time that the Tc of bulk tungsten has been observed in thin films. Such films used as thermometers are very sensitive and provide good energy resolution: with 4 g and 32 g sapphire crystals energy resolutions of better than 100 eV (FWHM) for 1.5 keV X-rays have been achieved.

Original languageEnglish (US)
Pages (from-to)408-416
Number of pages9
JournalNuclear Inst. and Methods in Physics Research, A
Issue number2-3
StatePublished - Jan 30 1995
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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