On spectrometric performance of GaAs-based radiation detectors

The basic problems and advantages related to spectrometric applications of GaAs-based radiation detectors for the X- and /spl gamma/-ray region are discussed. Two types of detectors are tested, based on (i) semi-insulating GaAs bulk substrate and (ii) vapor phase epitaxy GaAs. Pulse height spectra f...

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Hauptverfasser:	Dubecky, F., Zat'ko, B., Darmo, J., Sekacova, M., Krempasky, M., Necas, V., Hlavac, S., Rucek, M., Senderak, R., Szentpali, B.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Energy resolution Epitaxial growth Gallium arsenide Gas detectors Phase detection Radiation detectors Spectroscopy Substrates Temperature Testing
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Zusammenfassung:	The basic problems and advantages related to spectrometric applications of GaAs-based radiation detectors for the X- and /spl gamma/-ray region are discussed. Two types of detectors are tested, based on (i) semi-insulating GaAs bulk substrate and (ii) vapor phase epitaxy GaAs. Pulse height spectra for detection of /sup 241/Am and /sup 57/Co radionuclide decay standards are demonstrated. With a small volume GaAs detector energy resolution
DOI:	10.1109/ASDAM.2000.889548