The spectral resolution of high temperature GaAs photon counting soft X-ray photodiodes

Barnett, A M, Lees, J E, Bassford, D J, Ng, J S, Tan, C H, Babazadeh, N and Gomes, R B (2011) The spectral resolution of high temperature GaAs photon counting soft X-ray photodiodes. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 654 (1). pp. 336-339. ISSN 0168-9002

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Abstract

Circular 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 Kα 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.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Depositing User: Anna Barnett
Date Deposited: 18 Nov 2013 15:02
Last Modified: 18 Nov 2013 15:02
URI: http://sro.sussex.ac.uk/id/eprint/47013
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