NDLI: Characterization of transport and charge collection in high resistive CdTe by photoelectric measurements

Content Provider	IEEE Xplore Digital Library
Author	Franc, J. Grill, R. Belas, E. Hlidek, P. Kubat, J. Hoschl, P.
Copyright Year	2004
Description	Author affiliation: Inst. of Phys., Charles Univ., Prague (Franc, J.)
Abstract	Systematic study of photoelectric properties of high resistivity CdTe (undoped and O, In doped) in the configuration, when the sample surface is illuminated in direction parallel to the applied electric field strength to create experimental conditions similar to those used by measurements of detection properties of X- and gamma ray detectors. Detailed investigation of photoconductivity in dependence of illumination intensity and applied voltage was performed at above bandgap energy 1.55eV. It was observed, that the transport in the material is generally non-linear in respect to both the illumination intensity and the applied voltage. Drift-diffusion equations for photogenerated electron and hole transport and the Poisson equation were solved numerically using a model including one near mid gap energy level. It was found out, that this level in detector-grade samples acts as a weak hole trap and has moderate concentration $~10^{14}$ cm $^{-3}.$ Simulations of electric field in dependence of illumination intensity show formation of dead layer extending up to 100 mum for the flux $10^{14}cm^{-2}$
Starting Page	4473
Ending Page	4477
File Size	1280197
Page Count	5
File Format	PDF
ISBN	0780387007
ISSN	10823654
e-ISBN	0780387015
DOI	10.1109/NSSMIC.2004.1466878
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-16
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Current measurement Charge measurement Lighting Gamma ray detectors Voltage Poisson equations Conductivity Electric variables measurement Gamma ray detection Photoconductivity
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