Вплив домiшки олова на деградацiю провiдностi в n-кремнiї при електронному опромiненнi
The influence of an isovalent tin impurity on the electron concentration in Cz n-Si irradiated with 1-MeV electrons has been studied both experimentally and theoretically. It is found that the Sn impurity leads to the acceleration of the conductivity degradation in electron-irradiated nSi. The effec...
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| Date: | 2018 |
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| Main Author: | |
| Format: | Article |
| Language: | English Ukrainian |
| Published: |
Publishing house "Academperiodika"
2018
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| Subjects: | |
| Online Access: | https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018289 |
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| Journal Title: | Ukrainian Journal of Physics |
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Ukrainian Journal of Physics| Summary: | The influence of an isovalent tin impurity on the electron concentration in Cz n-Si irradiated with 1-MeV electrons has been studied both experimentally and theoretically. It is found that the Sn impurity leads to the acceleration of the conductivity degradation in electron-irradiated nSi. The effect is more pronounced in high-resistance samples, whereas the rates of electron removal from low-resistance ones are almost identical in both materials. This fact can be explained by the difference between the formation efficiency of main compensating radiation- induced defects in n-Si doped with Sn (SnV and VP complexes) and undoped n-Si (mainly, VP complexes), which depends of the concentration of phosphorus in the samples. |
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