| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1828953 | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2008 | 4 Pages |
Abstract
Al0.8Ga0.2As p+–p−–n+ diodes with low reverse leakage currents (<10 nA) were evaluated as room temperature (23 °C), soft X-ray photon-counting detectors. X-ray spectra from a 55Fe radioactive source show these diodes can be used for spectroscopy with promising energy resolution of 1.47 keV FWHM at 5.9 keV. At elevated reverse bias levels (>20 V), we observed avalanche multiplication which, while improving the signal-to-noise ratio, degraded the spectroscopic performance.
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Authors
J.E. Lees, D.J. Bassford, J.S. Ng, C.H. Tan, J.P.R. David,