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VACANCY DEFECT [1 record]
Record 1 - internal organization data 2010-12-07
Record 1, English
Record 1, Subject field(s)
- Atomic Physics
- Physics of Solids
Record 1, Main entry term, English
- vacancy defect
1, record 1, English, vacancy%20defect
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- vacancy-type defect 2, record 1, English, vacancy%2Dtype%20defect
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Positron annihilation experiments are a sensitive probe of atomic-scale defects in materials. Positrons are very sensitive to vacancy-type defects which act as traps, localizing the positron in a vacancy or vacancy cluster. Since positrons provide information only about the environment in which they annihilate, they are a selective probe of the atomic environment around defects. This selectivity is determined by the distribution of the positron in the defect, so detailed quantum-mechanical calculations are required to interpret positron annihilation data correctly. 2, record 1, English, - vacancy%20defect
Record 1, French
Record 1, Domaine(s)
- Physique atomique
- Physique des solides
Record 1, Main entry term, French
- défaut lacunaire
1, record 1, French, d%C3%A9faut%20lacunaire
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- défaut de type lacunaire 1, record 1, French, d%C3%A9faut%20de%20type%20lacunaire
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les défauts de type lacunaire sont des sites atomiques ou des régions où existent des déficits en noyaux. Le positon trouve dans ces volumes libres des états d’énergie plus basse que dans le réseau et il reste piégé dans ces défauts. Les lacunes, les amas de lacunes, les cavités, les dislocations sont ainsi pour le positon des puits de potentiel où il se localise. 1, record 1, French, - d%C3%A9faut%20lacunaire
Record 1, Spanish
Record 1, Textual support, Spanish
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