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High-resolution x-ray spectroscopy with superconducting tunnel junctions

Abstract:

An energy resolution of Delta E = 12 eV (FWHM) was measured for the Mn-55 K alpha(1) line (E = 5.90 keV) using a single superconducting Al/AlxOy/Al tunnel junction. The total detector area of 100 x 100 mu m was illuminated, while a slit mask of about 150 mu m width was used to shadow the detector leads and substrate area from the impinging x-rays. The total electronic noise contribution to the energy resolution was measured as Delta E-elec = 7 eV (FWHM). The process of tunnel junction fabrica...

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Publication status:
Published

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Journal:
X-RAY SPECTROMETRY More from this journal
Volume:
28
Issue:
5
Pages:
309-311
Publication date:
1999-01-01
Event title:
European Conference on Energy Dispersive X-Ray Spectrometry 1998 (EDXRS-98)
ISSN:
0049-8246
Keywords:
Pubs id:
pubs:3523
UUID:
uuid:e765522c-93ec-42ba-b21c-14d906df029f
Local pid:
pubs:3523
Source identifiers:
3523
Deposit date:
2012-12-19

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