Electrical and detection properties of particle detectors based on LEC semi-insulating InP

Ti and Mn co-doped semi-insulating InP particle detectors operating at room temperature

“…Such high energy tail, as well as observed by Valentini et al [9] and Dubecky et al [5], can be explained by multiplication effect of the charges created by the incident a-particles.…”

“…To make a comparison of our best results of the CCE 52% and 17% of an energy resolution in FWHM at RT and also 91% of the CCE and 3.4% of an energy resolution in FWHM at 250 K registered with SI InP:(Ti+Mn) to the results reported by Pelfer et al [1,4] or Dubecky et al [5] and taking into account that our best results were obtained with 25 V at RT and 110 V and 250 K, they can be attributed as to ones of the best results obtained with aparticle detection on SI InP.…”

“…[1,4] and Dubecky et al in Ref. [5]. In its turn, excellent results (mentioned above) on InP:Fe radiation detectors have been reported by Jayavel et al [11] and also recently published by Owens et al [12,13] and Bohacek et al [14].…”

“…In the literature [1][2][3][4][5][6], InP-based detectors are commonly prepared on semi-insulating (SI) InP doped with a deep acceptor of Fe. The detection performance of such detectors in most cases has been tested at reduced temperatures [1][2][3].…”

“…The detection performance of such detectors in most cases has been tested at reduced temperatures [1][2][3]. Some of the most attractive works about particle detectors based on InP doped with Fe operating at RT were published in [4][5][6]. Different technology, vertical gradient freeze (VGF) technique used for growth of the Fe-doped InP crystals was reported by El-Abbassi et al [7].…”