2023/12/11 by A. Tesi, S. Leardini, Tesi, A. +13 · 1 citation
Engineering · Materials Science · #CCD and CMOS Imaging Sensors #FOS: Physical sciences #Gas Sensing Nanomaterials and Sensors #Instrumentation and Detectors (physics.ins-det) #Transition Metal Oxide Nanomaterials
paper · pdf · doi:10.48550/arxiv.2312.06809
openalex publication_date 2023/12/11 · openalex created_date 2023/12/14 · openalex updated_date 2026/07/28
The first operation of a cryogenic Resistive Plate WELL (RPWELL) detector in the saturated vapor of liquid argon is reported. The RPWELL detector was composed of a Thick Gas Electron Multiplier (THGEM) electrode coupled to a metallic anode via Fe2O3/YSZ ceramics (Fe2O3 in weight equal to 75%), with tunable bulk resistivity in the range 109 - 1012 Ω⋅cm. The detector was operated at liquid argon temperature in saturated argon vapor (90~K, 1.2~bar) and characterized in terms of its effective charge gain and stability against discharges. Maximum stable gain of G≈17 was obtained, without discharges. In addition, preliminary results from novel 3D-printed thermoplastic plates doped with carbon nanotubes are presented.