Thermalization efficiency of superconducting absorbers for thermal X-ray microcalorimeters

Marco Barbera, Silver, Perinati, Serio, Barbera

Risultato della ricerca: Articlepeer review

1 Citazioni (Scopus)


The persistence of long living quasiparticles created in the energy thermalization process can affect the performances of a thermal X-ray microcalorimeter with superconducting absorber. Numerical simulations indicate that in an ab- sorber made of high-purity Sn, operated at temperatures lower than 100 mK, up to 60% of the deposited energy can remain trapped in the quasiparticle system for a time much longer than the time scale of the thermal sensor response, producing a reduction of the SNR of the detector. Other pure superconductors can present the same problem and therefore a microscopic analysis of the physical properties can be useful to identify suitable absorbing materials and optimize the detector performances.
Lingua originaleEnglish
pagine (da-a)820-821
Numero di pagine2
Stato di pubblicazionePublished - 2004

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.3100.3104???
  • ???subjectarea.asjc.2100.2102???
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