Droplet epitaxy image contrast in mirror electron microscopy

Kennedy, S. M., Zheng, C. X. and Jesson, D. E. ORCID: https://orcid.org/0000-0003-0897-1445 2017. Droplet epitaxy image contrast in mirror electron microscopy. Nanoscale Research Letters 12 , 68. 10.1186/s11671-017-1837-y

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Abstract

Image simulation methods are applied to interpret mirror electron microscopy (MEM) images obtained from a movie of GaAs droplet epitaxy. Cylindrical symmetry of structures grown by droplet epitaxy is assumed in the simulations which reproduce the main features of the experimental MEM image contrast, demonstrating that droplet epitaxy can be studied in real-time. It is therefore confirmed that an inner ring forms at the droplet contact line and an outer ring (or skirt) occurs outside the droplet periphery. We believe that MEM combined with image simulations will be increasingly used to study the formation and growth of quantum structures.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	SpringerOpen
ISSN:	1931-7573
Funders:	EPSRC
Date of First Compliant Deposit:	26 January 2017
Date of Acceptance:	9 January 2017
Last Modified:	06 May 2023 00:06
URI:	https://orca.cardiff.ac.uk/id/eprint/97793

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