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Inp-AlInAs "strain free" early stages heteroepitaxy leading to nanostructure formation by MOVPE

  • Agnieszka Gocalinska
  • , Marina Manganaro
  • , Gediminas Juska
  • , Valeria Dimastrodonato
  • , Kevin Thomas
  • , Bruce A. Joyce
  • , Jing Zhang
  • , Dimitri D. Vvedensky
  • , Emanuele Pelucchi

Research output: Chapter in Book/Report/Conference proceedingsConference proceedingpeer-review

Abstract

We show that heteroepitaxy of thin films of InP on Al0.48In 0.52As by MOVPE does not result in continuous flat layer growth, but instead develops a number of low dimensional structures, e.g. quantum dots and rings. We consider local phase separation/alloying-induced strain and preferred aggregation of adatom species on the substrate surface together with reduced wettability of InP on AlInAs to be the cause of the observed surface organization. This behavior has not been previously reported, and it opens a new application window for creating strain-free type-II staggered QD structures for possible applications in optical memories, detectors, and solar cells.

Original languageEnglish
Title of host publication26th International Conference on Indium Phosphide and Related Materials, IPRM 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781479957293
DOIs
Publication statusPublished - 2014
Event26th International Conference on Indium Phosphide and Related Materials, IPRM 2014 - Montpellier, France
Duration: 11 May 201415 May 2014

Publication series

NameConference Proceedings - International Conference on Indium Phosphide and Related Materials
ISSN (Print)1092-8669

Conference

Conference26th International Conference on Indium Phosphide and Related Materials, IPRM 2014
Country/TerritoryFrance
CityMontpellier
Period11/05/1415/05/14

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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