Investigations of porous radiation dielectric detectors
Lorikyan, M. P.
Original · EN
Multiwire and microstrip porous detectors have been developed and investigated for DC operation. The multiwire porous detector consists of anode wires, an Al cathode and a gap between them filled with porous CsI. The microstrip porous detector consists of an insulating plate covered with metallic strips, micromesh cathode and a gap between them filled with porous CsI. For some time after being manufactured, these detectors' performances are non-stable and they have poor spatial resolution. However, after being kept in vacuum for a certain time, they spontaneously acquire stability and spatial resolution better than 100μm and have detection efficiencies of 100% and 70% for heavily ionizing α-particles and 5.9 keV X-rays respectively. The MWPDD performs stably at an intensity of heavily ionizing α -particles of 711cm⁻²s⁻¹.
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