Published June 1989
| Version v1
Journal article
Positron lifetime measurements in a II-VI compound: indium doped CdTe
Creators
- 1. Institut National des Sciences et Techniques Nucleaires (INSTN), Centre d'Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France)
- 2. Centre National de la Recherche Scientifique, 92 - Meudon-Bellevue (France)
Description
Positron lifetime measurements in as-grown cadmium telluride crystals doped with indium give direct evidence of the presence of monovacancies. The average positron lifetime is measured as a function of temperature. Two different behaviours appear, depending on temperature: in the 5 to 80 K range, one single lifetime is measured, in the 80 to 300 K range, two lifetimes are detected. Positrons are trapped in a defect which may be attributed to a Cd monovacancy
Abstract (French)
Des mesures de temps de vie du positon dans des cristaux bruts de croissance de tellurure de cadmium dopes par l'indium ont mis en evidence la presence d'une monolacune piegeant le positon a des temperatures superieures a 80 K. Il s'agit tres probablement d'une lacune de cadmiumAdditional details
Additional titles
- Original title (French)
- Mesures de temps de vie du positon dans un compose II-VI: CdTe dope indium
Publishing Information
- Journal Title
- Comptes Rendus des Seances de l'Academie des Sciences, Serie 2
- Journal Volume
- 309
- Journal Issue
- 2
- Series
- C. R. Seances Acad. Sci., Ser. 2.
- Journal Page Range
- 179-182
- ISSN
- 0249-6305
- CODEN
- CRSUD
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 21004028
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- CADMIUM TELLURIDES; DOPED MATERIALS; LIFETIME; N-TYPE CONDUCTORS; POSITRONS; TRAPPING; VACANCIES
- Descriptors DEC
- ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; CADMIUM COMPOUNDS; CHALCOGENIDES; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; ELEMENTARY PARTICLES; FERMIONS; LEPTONS; MATERIALS; MATTER; POINT DEFECTS; SEMICONDUCTOR MATERIALS; TELLURIDES; TELLURIUM COMPOUNDS