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Optical and structural properties of sulfur-doped ELOG InP on Si
KTH Royal Institute Technology, Sweden.
KTH Royal Institute Technology, Sweden.
KTH Royal Institute Technology, Sweden.
KTH Royal Institute Technology, Sweden.
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2015 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 117, no 21, 215303- p.Article in journal (Refereed) Published
Abstract [en]

Optical and structural properties of sulfur-doped epitaxial lateral overgrowth (ELOG) InP grown from nano-sized openings on Si are studied by room-temperature cathodoluminescence and cross-sectional transmission electron microscopy (XTEM). The dependence of luminescence intensity on opening orientation and dimension is reported. Impurity enhanced luminescence can be affected by the facet planes bounding the ELOG layer. Dark line defects formed along the [011] direction are identified as the facet planes intersected by the stacking faults in the ELOG layer. XTEM imaging in different diffraction conditions reveals that stacking faults in the seed InP layer can circumvent the SiO2 mask during ELOG and extend to the laterally grown layer over the mask. A model for Suzuki effect enhanced stacking fault propagation over the mask in sulfur-doped ELOG InP is constructed and in-situ thermal annealing process is proposed to eliminate the seeding stacking faults. (C) 2015 AIP Publishing LLC.

Place, publisher, year, edition, pages
AMER INST PHYSICS , 2015. Vol. 117, no 21, 215303- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-120049DOI: 10.1063/1.4921868ISI: 000355925600063OAI: oai:DiVA.org:liu-120049DiVA: diva2:840006
Note

Funding Agencies|Swedish Research Council (VR); Swedish Foundation for Strategic Research (SSF); INTEL Corporation through URO program; Swedish Government Strategic Research Area Grant in Materials Science (SFO Mat-LiU) on Advanced Functional Materials; Knut and Alice Wallenberg Foundation for the Electron Microscopy Laboratory at Linkoping University

Available from: 2015-07-06 Created: 2015-07-06 Last updated: 2016-08-31

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Pozina, GaliaHultman, Lars
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