{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,27]],"date-time":"2025-12-27T03:46:13Z","timestamp":1766807173882,"version":"build-2065373602"},"reference-count":45,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2022,2,13]],"date-time":"2022-02-13T00:00:00Z","timestamp":1644710400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The success of cadmium zinc telluride (CZT) detectors in room-temperature spectroscopic X-ray imaging is now widely accepted. The most common CZT detectors are characterized by enhanced-charge transport properties of electrons, with mobility-lifetime products \u03bce\u03c4e &gt; 10\u22122 cm2\/V and \u03bch\u03c4h &gt; 10\u22125 cm2\/V. These materials, typically termed low-flux LF-CZT, are successfully used for thick electron-sensing detectors and in low-flux conditions. Recently, new CZT materials with hole mobility-lifetime product enhancements (\u03bch\u03c4h &gt; 10\u22124 cm2\/V and \u03bce\u03c4e &gt; 10\u22123 cm2\/V) have been fabricated for high-flux measurements (high-flux HF-CZT detectors). In this work, we will present the performance and charge-sharing properties of sub-millimeter CZT pixel detectors based on LF-CZT and HF-CZT crystals. Experimental results from the measurement of energy spectra after charge-sharing addition (CSA) and from 2D X-ray mapping highlight the better charge-collection properties of HF-CZT detectors near the inter-pixel gaps. The successful mitigation of the effects of incomplete charge collection after CSA was also performed through original charge-sharing correction techniques. These activities exist in the framework of international collaboration on the development of energy-resolved X-ray scanners for medical applications and non-destructive testing in the food industry.<\/jats:p>","DOI":"10.3390\/s22041441","type":"journal-article","created":{"date-parts":[[2022,2,13]],"date-time":"2022-02-13T20:34:45Z","timestamp":1644784485000},"page":"1441","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Incomplete Charge Collection at Inter-Pixel Gap in Low- and High-Flux Cadmium Zinc Telluride Pixel Detectors"],"prefix":"10.3390","volume":"22","author":[{"given":"Antonino","family":"Buttacavoli","sequence":"first","affiliation":[{"name":"Department of Physics and Chemistry (DiFC)\u2014Emilio Segr\u00e8, University of Palermo, Viale Delle Scienze, Edificio 18, 90128 Palermo, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2787-0877","authenticated-orcid":false,"given":"Fabio","family":"Principato","sequence":"additional","affiliation":[{"name":"Department of Physics and Chemistry (DiFC)\u2014Emilio Segr\u00e8, University of Palermo, Viale Delle Scienze, Edificio 18, 90128 Palermo, Italy"}]},{"given":"Gaetano","family":"Gerardi","sequence":"additional","affiliation":[{"name":"Department of Physics and Chemistry (DiFC)\u2014Emilio Segr\u00e8, University of Palermo, Viale Delle Scienze, Edificio 18, 90128 Palermo, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6522-1259","authenticated-orcid":false,"given":"Donato","family":"Cascio","sequence":"additional","affiliation":[{"name":"Department of Physics and Chemistry (DiFC)\u2014Emilio Segr\u00e8, University of Palermo, Viale Delle Scienze, Edificio 18, 90128 Palermo, Italy"}]},{"given":"Giuseppe","family":"Raso","sequence":"additional","affiliation":[{"name":"Department of Physics and Chemistry (DiFC)\u2014Emilio Segr\u00e8, University of Palermo, Viale Delle Scienze, Edificio 18, 90128 Palermo, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4062-3782","authenticated-orcid":false,"given":"Manuele","family":"Bettelli","sequence":"additional","affiliation":[{"name":"IMEM\/CNR, Parco Area delle Scienze 37\/A, 43100 Parma, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6916-2716","authenticated-orcid":false,"given":"Andrea","family":"Zappettini","sequence":"additional","affiliation":[{"name":"IMEM\/CNR, Parco Area delle Scienze 37\/A, 43100 Parma, Italy"}]},{"given":"Paul","family":"Seller","sequence":"additional","affiliation":[{"name":"Rutherford Appleton Laboratory, UKRI Science & Technology Facilities Council, Oxon OX11 0QX, UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5457-4884","authenticated-orcid":false,"given":"Matthew C.","family":"Veale","sequence":"additional","affiliation":[{"name":"Rutherford Appleton Laboratory, UKRI Science & Technology Facilities Council, Oxon OX11 0QX, UK"}]},{"given":"Leonardo","family":"Abbene","sequence":"additional","affiliation":[{"name":"Department of Physics and Chemistry (DiFC)\u2014Emilio Segr\u00e8, University of Palermo, Viale Delle Scienze, Edificio 18, 90128 Palermo, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2022,2,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"040902","DOI":"10.1063\/1.5091805","article-title":"Room temperature semiconductor detectors for nuclear security","volume":"126","author":"Johns","year":"2019","journal-title":"J. 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