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Temperature dependence of AlGaAs soft X-ray detectors

journal contribution
posted on 2023-06-08, 16:18 authored by Anna BarnettAnna Barnett, D J Bassford, J E Lees, J S Ng, C H Tan, J P R David
We have fabricated and characterised unpassivated 200 µm diameter circular mesa Al0.8Ga0.2As p+–i–n+ diodes as soft X-ray photon counting detectors. The spectroscopic performance, as measured by the FWHM of the 5.9 keV X-ray line from an 55Fe radioisotope, shows that these detectors can be used for X-ray photon counting spectroscopy with promising energy resolution (0.9–2.5 keV) over a -30 to +90 °C temperature range.

History

Publication status

  • Published

Journal

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

ISSN

0168-9002

Publisher

Elsevier

Issue

1-3

Volume

621

Page range

453-455

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2013-11-29

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