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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 ISSN 1742-6596.

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Official URL: http://dx.doi.org/10.1088/1742-6596/471/1/012012

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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, Engineering and Medicine > 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:
DateEvent
2013Published
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 (Creative Commons)
Date of first compliant deposit: 26 December 2015
Date of first compliant Open Access: 26 December 2015
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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