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Effects of dislocation walls on charge carrier transport properties in CdTe single crystal

Buis, C, Gros D'Aillon, E, Verger, L, Lohstroh, A, Marrakchi, G and Jeynes, C (2014) Effects of dislocation walls on charge carrier transport properties in CdTe single crystal Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 735. pp. 188-192.

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Abstract

Radiation detectors for medical imaging at room temperature have been developed thanks to the availability of large chlorine-compensated cadmium telluride (CdTe:Cl) crystals. Microstructural defects affect the performance of CdTe:Cl radiation detectors. Advanced characterization tools, such as Ion Beam Induced Current (IBIC) measurements and chemical etching on tellurium and cadmium faces were used to evaluate the influence of sub-grain-boundaries on charge carrier transport properties. We performed IBIC imaging to correlate inhomogeneities in charge collection for both types of charge carrier with distribution of dislocation walls in the sample. This information should help improve performance in medical imaging applications. © 2013 Elsevier B.V.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Ion Beam Centre
Authors :
AuthorsEmailORCID
Buis, CUNSPECIFIEDUNSPECIFIED
Gros D'Aillon, EUNSPECIFIEDUNSPECIFIED
Verger, LUNSPECIFIEDUNSPECIFIED
Lohstroh, AUNSPECIFIEDUNSPECIFIED
Marrakchi, GUNSPECIFIEDUNSPECIFIED
Jeynes, CUNSPECIFIEDUNSPECIFIED
Date : 21 January 2014
Identification Number : 10.1016/j.nima.2013.08.084
Additional Information : NOTICE: this is the author’s version of a work that was accepted for publication in Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 735, January 2014, DOI 10.1016/j.nima.2013.08.084.
Depositing User : Symplectic Elements
Date Deposited : 06 Jan 2015 12:34
Last Modified : 06 Jan 2015 12:34
URI: http://epubs.surrey.ac.uk/id/eprint/805391

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