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The spectral resolution of high temperature GaAs photon counting soft X-ray photodiodes
journal contribution
posted on 2023-06-08, 16:18 authored by Anna BarnettAnna Barnett, J E Lees, D J Bassford, J S Ng, C H Tan, N Babazadeh, R B GomesCircular mesa GaAs p+–i–n+ diodes for photon counting soft X-ray spectroscopy have been fabricated and characterised over a temperature range of +80 to –30 °C. The spectroscopic performance of the diodes, as measured by the FWHM of the Mn Ka X-ray line from an 55Fe radioisotope, is reported. In addition, we compare the GaAs diodes with previously fabricated and characterised Al0.8Ga0.2As p+–i–n+ diodes of similar geometry.
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Publication status
- Published
Journal
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated EquipmentISSN
0168-9002Publisher
ElsevierExternal DOI
Issue
1Volume
654Page range
336-339Department affiliated with
- Engineering and Design Publications
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- No
Peer reviewed?
- Yes
Legacy Posted Date
2013-11-18Usage metrics
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