Advances on MBE selective area growth of III-nitride nanostructures: from nanoLEDs to pseudo substrates

Albert, Steven, Bengoechea Encabo, Ana, Barbagini, Francesca, López Romero, David, Sánchez García, Miguel Angel ORCID: https://orcid.org/0000-0002-1494-9351, Calleja Pardo, Enrique ORCID: https://orcid.org/0000-0002-3686-8982, Lefebvre, Pierre, Kong, Xiang, Jahn, Uwe, Trampert, Achim, Müller, Marcus, Bertram, Frank, Schmidt, Gordon, Veit, Peter, Petzold, Silke, Christen, Jürgen, Mierry, Philippe de and Zuñiga Pérez, Jesús (2014). Advances on MBE selective area growth of III-nitride nanostructures: from nanoLEDs to pseudo substrates. "International Journal of High Speed Electronics and Systems", v. 23 (n. 3-4); pp.. ISSN 1793-6438. https://doi.org/10.1142/S0129156414500207.

Description

Title: Advances on MBE selective area growth of III-nitride nanostructures: from nanoLEDs to pseudo substrates
Author/s:
  • Albert, Steven
  • Bengoechea Encabo, Ana
  • Barbagini, Francesca
  • López Romero, David
  • Sánchez García, Miguel Angel https://orcid.org/0000-0002-1494-9351
  • Calleja Pardo, Enrique https://orcid.org/0000-0002-3686-8982
  • Lefebvre, Pierre
  • Kong, Xiang
  • Jahn, Uwe
  • Trampert, Achim
  • Müller, Marcus
  • Bertram, Frank
  • Schmidt, Gordon
  • Veit, Peter
  • Petzold, Silke
  • Christen, Jürgen
  • Mierry, Philippe de
  • Zuñiga Pérez, Jesús
Item Type: Article
Título de Revista/Publicación: International Journal of High Speed Electronics and Systems
Date: 2014
ISSN: 1793-6438
Volume: 23
Subjects:
Freetext Keywords: Selective area growth; nanostructures; InGaN; GaN; LED; photoluminescence; white-light emission; single color emission; core-shell; non-polar; semi-polar; pseudo substrates; coalescence
Faculty: Instituto de Sistemas Optoelectrónicos y Microtecnología (ISOM) (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The aim of this work is to provide an overview on the recent advances in the selective area growth (SAG) of (In)GaN nanostructures by plasma assisted molecular beam epitaxy, focusing on their potential as building blocks for next generation LEDs. The first three sections deal with the basic growth mechanisms of GaN SAG and the emission control in the entire ultraviolet to infrared range, including approaches for white light emission, using InGaN disks and thick segments on axial nanocolumns. SAG of axial nanostructures is eveloped on both GaN/sapphire templates and GaN-buffered Si(111). As an alternative to axial nanocolumns, section 4 reports on the growth and characterization of InGaN/GaN core-shell structures on an ordered array of top-down patterned GaN microrods. Finally, section 5 reports on the SAG of GaN, with and without InGaN insertion, on semi-polar (11-22) and non-polar (11-20) templates. Upon SAG the high defect density present in the templates is strongly reduced as indicated by a dramatic improvement of the optical properties. In the case of SAG on nonpolar (11-22) templates, the formation of nanostructures with a low aspect ratio took place allowing for the fabrication of high-quality, non-polar GaN pseudo-templates by coalescence of these nanostructures.

More information

Item ID: 35714
DC Identifier: https://oa.upm.es/35714/
OAI Identifier: oai:oa.upm.es:35714
DOI: 10.1142/S0129156414500207
Official URL: http://www.worldscientific.com/doi/abs/10.1142/S01...
Deposited by: Memoria Investigacion
Deposited on: 07 Dec 2015 19:46
Last Modified: 07 Dec 2015 19:46
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