Semi-Insulating InP Particle Detectors For X- And γ-Ray Detection

• DOI: 10.1557/proc-487-477
• Publication Date: 2011-04-06T04:08:34Z
• Authors: P. G. Pelfer; F. Dubecký; R. Fomari; M. Pikna; M. Krempaský; E. Gombia; J. Darmo; R. Mosca; M. Sekácová
• Keywords: Particle (ecology); X-ray detector; Particle detector

AbstractA study of electrical properties and detection performances of the semi-insulating (SI) InP based detectors is presented. Detectors with a top P+ layer and a Schottky back contact give the charge collection efficiency about 90 % and an energy resolution 3.7% (FWHM) for 5.48MeV α-particles at 250 K. Detection of X-rays (122 keV and 60 keV) photons in temperature region 220–250 K is demonstrated. Multiple peaking observed during detection of photons is discussed.