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Compositional analysis of InAs-GaAs-GaSb heterostructures by low-loss electron energy loss spectroscopy
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Beltrán, A. M., Ben, T., Sánchez, Ana M., Gass, Mhairi H., Taboada, A. G., Ripalda, J. M. and Molina, Sergio I. (2013) Compositional analysis of InAs-GaAs-GaSb heterostructures by low-loss electron energy loss spectroscopy. Journal of Physics: Conference Series, Volume 471 . Article number 012012. doi:10.1088/1742-6596/471/1/012012
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WRAP_1742-6596_471_1_012012.pdf - Published Version Available under License Creative Commons Attribution. Download (1770Kb) | Preview |
Official URL: http://dx.doi.org/10.1088/1742-6596/471/1/012012
Abstract
As an alternative to Core-Loss Electron Energy Loss Spectroscopy, Low-Loss EELS is suitable for compositional analysis of complex heterostructures, such as the InAs-GaAs-GaSb system, since in this energy range the edges corresponding to these elements are better defined than in Core-Loss. Furthermore, the analysis of the bulk plasmon peak, which is present in this energy range, also provides information about the composition. In this work, compositional information in an InAs-GaAs-GaSb heterostructure has been obtained from Low-Loss EEL spectra.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Electron energy loss spectroscopy, Heterostructures , Electron microscopy | ||||
| Journal or Publication Title: | Journal of Physics: Conference Series | ||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||
| ISSN: | 1742-6596 | ||||
| Official Date: | 2013 | ||||
| Dates: |
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| Volume: | Volume 471 | ||||
| Page Range: | Article number 012012 | ||||
| DOI: | 10.1088/1742-6596/471/1/012012 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access | ||||
| Funder: | Spain. Ministerio de Economía y Competitividad [Ministry of Economy and Competitiveness] (MINECO), Andalusia (Spain), European Regional Development Fund (ERDF) | ||||
| Grant number: | TEC2011-29120-C05-03, CSD2009-00013 (MINECO) ; TEP-120, TEP-946 (JA) |
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