Charges collection induced in APS by heavy particles: influence of design parameters
Description
We have studied the design parameters influence on heavy ions-induced charge collection physics in APS. The goal is to determine the key parameters for an optimised space environment 'particle detector' APS design. It appears that diffusion is the dominant charge collection mechanism in all the studied technology types, with a smaller magnitude in case of epitaxial technologies. Following proton irradiation, a delayed charge collection and loss of collected charges have been observed. These phenomena are explained by the combination of carriers diffusion and action of the traps generated in the device. Even if they cannot be avoid in space applications, these effects are reduced in case of epitaxial technologies. This work led to the design parameters definition of an optimized APS 'particle detector' and to its fabrication. The results obtained on this APS confirm the previous conclusions and let us define the detection range of such detectors from 0.03 to 50 MeV.cm2.mg-1. (author)
Abstract (French)
Nous avons etudie l'influence de la technologie sur la physique de collection de charges induites par des ions lourds dans les APS. L'objectif est de determiner les parametres-cles de la conception d'un APS 'detecteur de particules' de l'environnement spatial. Cette etude a montre que la diffusion est predominante dans la collection de charges pour toutes les technologies etudiees, avec une influence plus ou moins forte suivant qu'il s'agit d'une technologie epitaxiee ou substrat massif. Apres irradiation aux protons, une perte de charges et une collection retardee ont ete mises en evidence; ces effets sont attribues a la combinaison de la diffusion des charges et de l'action des pieges crees dans le composant. Meme s'ils sont inevitables dans les applications spatiales, ces effets seront reduits par l'utilisation de couches epitaxiees. Nous avons concu et realise un prototype de APS 'detecteur de particules' qui nous a permis d'evaluer la gamme de detection de 0.03 a 50 MeV.cm2.mg-1. (auteur)Files
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Additional details
Additional titles
- Original title (French)
- Collection de charges induites par des particules lourdes dans les APS: influence des parametres de conception
Identifiers
Publishing Information
- Imprint Pagination
- 169 p.
- Report number
- FRNC-TH--9691
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 48047083
- Subject category
- S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
- Resource subtype / Literary indicator
- Thesis
- Descriptors DEI
- CARRIER LIFETIME; CHARGE COLLECTION; COMPUTERIZED SIMULATION; COSMIC RADIATION; CUMULATIVE RADIATION EFFECTS; GEIGER-MUELLER COUNTERS; HEAVY IONS; IONIZATION CHAMBERS; MASS SPECTROMETERS; MICROCHANNEL ELECTRON MULTIPLIERS; MOS TRANSISTORS; PHOSPHORS; PHOTODIODES; PHYSICAL RADIATION EFFECTS; PROPORTIONAL COUNTERS; SEMICONDUCTOR DETECTORS; SENSORS; SOLAR FLARES; TRAPS
- Descriptors DEC
- CHARGED PARTICLES; ELECTRON MULTIPLIERS; ELECTRON TUBES; IONIZING RADIATIONS; IONS; LIFETIME; MEASURING INSTRUMENTS; RADIATION DETECTORS; RADIATION EFFECTS; RADIATIONS; SEMICONDUCTOR DEVICES; SEMICONDUCTOR DIODES; SIMULATION; SOLAR ACTIVITY; SPECTROMETERS; STELLAR ACTIVITY; STELLAR FLARES; TRANSISTORS
Optional Information
- Notes
- 73 refs.; Available from the INIS Liaison Officer for France, see the 'INIS contacts' section of the INIS website for current contact and E-mail addresses: http://www.iaea.org/inis/Contacts/