NDLI: Investigation on pixellated CZT detectors coupled with a low power readout ASIC

Content Provider	IEEE Xplore Digital Library
Author	Abbene, L. Del Sordo, S. Agnetta, G. Biondo, B. Caroli, E. Mangano, A. Russo, F. Stephen, J. B. Ventura, G. Carlino, A. Gerardi, G. Bertuccio, G.
Copyright Year	2008
Description	Author affiliation: IASF/INAF, Sezione di Bologna, Via Gobetti 101, 40129, Italy (Caroli, E.; Stephen, J. B.; Ventura, G.) \|\| Dipartimneto di Elettronica ed Informazione, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133, Italy (Bertuccio, G.) \|\| IASF/INAF, Sezione di Palermo, 90146, Italy (Del Sordo, S.; Agnetta, G.; Biondo, B.; Mangano, A.; Russo, F.) \|\| Dipartimento di Fisica e Tecnologie Relative (DIFTER), Università di Palermo, Viale delle Scienze, Edificio 18, 90128, Italy (Abbene, L.; Carlino, A.; Gerardi, G.)
Abstract	In this work, we investigated on the spectroscopic performances of two pixellated CZT detectors coupled with a custom low noise and low power readout ASIC. The detectors (10 x 10 x 1 $mm^{3}$ and 10 x 10 x 2 $mm^{3}$ single crystals) consist of an array of 256 pixels with a geometric pitch of 0.5 mm. The ASIC, fabricated in 0.8 μm BiCMOS technology, is equipped with eight independent channels (preamplifier and shaper) characterized by a dynamic range from 10 keV to 100 keV, low power consumption (0.5 mW/channel) and low noise (150–500 electrons r.m.s.). The spectroscopic results point out the good energy resolution of both detectors at room temperature (5.8 % FWHM at 59.5 keV for the 1 mm thick detector; 5.5 % FWHM at 59.5 keV for the 2 mm thick detector) and low tailing, confirming the single charge carrier sensing properties of the CZT detectors equipped with a pixellated anode layout. Temperature measurements show optimum performances of the system (detector and electronics) at T = 10 °C and performance degradations at lower temperatures. The detectors and the ASIC, designed by our collaboration, represent two small focal plane detector prototypes for hard X-ray telescopes operating in the 10–100 keV energy range.
Starting Page	478
Ending Page	483
File Size	5515723
Page Count	6
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4775211
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Application specific integrated circuits Spectroscopy Temperature sensors Performance evaluation X-ray detection X-ray detectors Crystals Sensor arrays BiCMOS integrated circuits Preamplifiers temperature dependency CZT detectors pixel detectors single charge carrier sensing small pixel effect
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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