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Spatially Screening and Barrier Effects on Shallow Donor Binding Energy in (In,Ga)N/GaN Cylindrical QWWs


 
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1. Title Title of document Spatially Screening and Barrier Effects on Shallow Donor Binding Energy in (In,Ga)N/GaN Cylindrical QWWs
 
2. Creator Author's name, affiliation, country Haddou EL GHAZI; LPS, Faculty of sciences, Dhar EL Mehrez, B.P 1796 Atlas Fez Special Mathematic, CPGE Kénitra; Morocco
 
2. Creator Author's name, affiliation, country Anouar JORIO; LPS, Faculty of sciences, Dhar EL Mehrez, B.P 1796 Atlas Fez; Morocco
 
2. Creator Author's name, affiliation, country Izeddine Zorkani; LPS, Faculty of sciences, Dhar EL Mehrez, B.P 1796 Atlas Fez; Morocco
 
3. Subject Discipline(s) 73.21.Hb; 73.20.Hb
 
3. Subject Keyword(s) Binding Energy, Quantum well wire, Spatially Screening effect, Barrier effect
 
4. Description Abstract

In this paper, the ground-state binding energy of axial Hydrogenic sallow-donor impurity in  cylindrical quantum well wire (CQWWs) is calculated as a function of the wire radius within the effective mass approximation using a variational procedure. Spatially screening and potential barrier effects are investigated. Numerical results show that the binding energy is dramatically affected by the wire radius and the potential barrier. It is also affected by spatially screening phenomenon and its maximum moves to narrow wire.

 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 25-12-2012
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/MJCM/article/view/610
 
11. Source Title; vol., no. (year) Moroccan Journal of Condensed Matter; Vol 14, No 2 (2012)
 
12. Language English=en en
 
13. Relation Supp. Files
 
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15. Rights Copyright and permissions Copyright (c)