June 9, 2019
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Emission control of InGaN nanocolumns grown by molecular-beam epitaxy on Si(111) substrates

Publicated to: APPLIED PHYSICS LETTERS. 99 (13): 131108- - 2011-09-26 99(13), DOI: 10.1063/1.3644986

Authors:

Albert, S; Bengoechea-Encabo, A; Lefebvre, P; Sanchez-Garcia, M A; Calleja, E; Jahn, U; Trampert, A
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Affiliations

Paul Drude Inst Festkorperelekt, D-10117 Berlin, Germany - Author
Univ Montpellier 2, F-34095 Montpellier 5, France - Author
Univ Politecn Madrid, Dept Ingn Elect, ETSI Telecomunicac, E-28040 Madrid, Spain - Author
Univ Politecn Madrid, ISOM, E-28040 Madrid, Spain - Author
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Abstract

This work studies the effect of the growth temperature on the morphology and emission characteristics of self-assembled InGaN nanocolumns grown by plasma assisted molecular beam epitaxy. Morphology changes are assessed by scanning electron microscopy, while emission is measured by photoluminescence. Within the growth temperature range of 750 to 650 degrees C, an increase in In incorporation for decreasing temperature is observed. This effect allows tailoring the InGaN nanocolumns emission line shape by using temperature gradients during growth. Depending on the gradient rate, span, and sign, broad emission line shapes are obtained, covering the yellow to green range, even yielding white emission. (C) 2011 American Institute of Physics. [doi:10.1063/1.3644986]
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Keywords

Gallium compoundsGan nanocolumnsIii-v semiconductorsIndium compoundsMechanismsMolecular beam epitaxial growthNanofabricationNanostructured materialsPhotoluminescencePlasma materials processingScanning electron microscopySelf-assemblySemiconductor growthStrainWide band gap semiconductors

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal APPLIED PHYSICS LETTERS due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2011, it was in position 17/125, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Applied.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-24:

  • WoS: 27
  • Scopus: 29
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-24:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 38.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 38 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 1.

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/11858/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 494
  • Downloads: 421
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: France; Germany.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Albert, S.) .

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Awards linked to the item

We acknowledge partial financial support by the EU FP7 via Contract No. SMASH 228999-2 and the Initial training network RAINBOW Project No. PITN-GA-2008-213238 and by Spanish Project Nos. CAM/P2009/ESP-1503 and MICINN MAT2008-04815.
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