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Weak Localization and Electron-Electron Interactions theories applied to the positive magnetoresistance in metallic Si1-yNiy:H alloys


 
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1. Title Title of document Weak Localization and Electron-Electron Interactions theories applied to the positive magnetoresistance in metallic Si1-yNiy:H alloys
 
2. Creator Author's name, affiliation, country A. Narjis; Research Group ESNPS , Physics department, University Ibn Zohr, Faculty of Sciences, B.P 8106, Hay Dakhla, 80000 Agadir; Morocco
 
2. Creator Author's name, affiliation, country A. El kaaouachi; Research Group ESNPS , Physics department, University Ibn Zohr, Faculty of Sciences, B.P 8106, Hay Dakhla, 80000 Agadir; Morocco
 
2. Creator Author's name, affiliation, country S. Dlimi; Research Group ESNPS , Physics department, University Ibn Zohr, Faculty of Sciences, B.P 8106, Hay Dakhla, 80000 Agadir; Morocco
 
2. Creator Author's name, affiliation, country A. Sybous; Research Group ESNPS , Physics department, University Ibn Zohr, Faculty of Sciences, B.P 8106, Hay Dakhla, 80000 Agadir; Morocco
 
2. Creator Author's name, affiliation, country L. Limouny; Research Group ESNPS , Physics department, University Ibn Zohr, Faculty of Sciences, B.P 8106, Hay Dakhla, 80000 Agadir; Morocco
 
2. Creator Author's name, affiliation, country R. Abdia; Research Group ESNPS , Physics department, University Ibn Zohr, Faculty of Sciences, B.P 8106, Hay Dakhla, 80000 Agadir; Morocco
 
2. Creator Author's name, affiliation, country G. Biskupski; Laboratoire de Spectroscopie Hertzienne (CNRS), équipe des semiconducteurs, Université des Sciences et Technique de Lille I, F 59655 Villeneuve d’Ascq Cédex; France
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) Amorphous silicon-nickel alloys a-Si1-yNiy: H; Transport phenomenon; Weak localization; Electron electron interaction; negative magnetoconductivity; Inelastic scattering time.
 
4. Description Abstract

Electrical conductivity of hydrogenated amorphous silicon nickel alloys (Si1-yNiy:H) is discussed on the metallic side of the metal insulator transition (MIT), at very low temperature, and in the presence of magnetic field up to 4.5T. The experimental results are analyzed in the light of weak localization and electron-electron interaction theories in a strong spin-orbit case. The zero magnetic field conductivity is almost found to vary according to the formula σ(B=0,T)=σ0+m.T1/2. Physical interpretations of our results are given to understand the diffusion mechanism.
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 18-04-2012
 
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/525
 
11. Source Title; vol., no. (year) Moroccan Journal of Condensed Matter; Vol 13, No 3 (2011)
 
12. Language English=en en
 
13. Relation Supp. Files
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c)