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Magnetotransport investigation of conducting channels and spin splitting in high-density AlGaN/AlN/GaN two-dimensional electron gas
- Source :
- Physical review. B, Solid state 83 (2011): 155318., info:cnr-pdr/source/autori:D. Spirito, L. Di Gaspare, G. Frucci, F. Evangelisti, A. Di Gaspare, A. Notargiacomo, E. Giovine, S. Roddaro, F. Beltram/titolo:Magnetotransport investigation of conducting channels and spin splitting in high-density AlGaN%2FAlN%2FGaN two-dimensional electron gas/doi:/rivista:Physical review. B, Solid state/anno:2011/pagina_da:155318/pagina_a:/intervallo_pagine:155318/volume:83, Physical review. B, Condensed matter and materials physics 83 (2011). doi:10.1103/PhysRevB.83.155318, info:cnr-pdr/source/autori:Spirito, D.; Di Gaspare, Luciana D.; Frucci, Giulia; Evangelisti, Florestano; Di Gaspare, Alessandra; Notargiácomo, Andrea; Giovine, Ennio; Roddaro, Stefano; Beltram, Fabio/titolo:Magnetotransport investigation of conducting channels and spin splitting in high-density AlGaN%2FAlN%2FGaN two-dimensional electron gas/doi:10.1103%2FPhysRevB.83.155318/rivista:Physical review. B, Condensed matter and materials physics/anno:2011/pagina_da:/pagina_a:/intervallo_pagine:/volume:83
- Publication Year :
- 2011
-
Abstract
- Magnetotransport properties of a high-density AlGaN/AlN/GaN two-dimensional electron gas are reported. A quantitative model of amplitude and phase modulation of Shubnikov-de Haas oscillations was developed. This analysis allows the extraction of the spin splitting energy even if nodes and double peaks in the Fourier spectrum are not clearly observed. In this way the presence of two conducting channels was clearly identified. A spin splitting of 1.2 meV was found. © 2011 American Physical Society.
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Physical review. B, Solid state 83 (2011): 155318., info:cnr-pdr/source/autori:D. Spirito, L. Di Gaspare, G. Frucci, F. Evangelisti, A. Di Gaspare, A. Notargiacomo, E. Giovine, S. Roddaro, F. Beltram/titolo:Magnetotransport investigation of conducting channels and spin splitting in high-density AlGaN%2FAlN%2FGaN two-dimensional electron gas/doi:/rivista:Physical review. B, Solid state/anno:2011/pagina_da:155318/pagina_a:/intervallo_pagine:155318/volume:83, Physical review. B, Condensed matter and materials physics 83 (2011). doi:10.1103/PhysRevB.83.155318, info:cnr-pdr/source/autori:Spirito, D.; Di Gaspare, Luciana D.; Frucci, Giulia; Evangelisti, Florestano; Di Gaspare, Alessandra; Notargiácomo, Andrea; Giovine, Ennio; Roddaro, Stefano; Beltram, Fabio/titolo:Magnetotransport investigation of conducting channels and spin splitting in high-density AlGaN%2FAlN%2FGaN two-dimensional electron gas/doi:10.1103%2FPhysRevB.83.155318/rivista:Physical review. B, Condensed matter and materials physics/anno:2011/pagina_da:/pagina_a:/intervallo_pagine:/volume:83
- Accession number :
- edsair.doi.dedup.....64881e30362150f3ae0f8ff0d2bdf0f0