{rfName}
In

License and Use

Icono OpenAccess

Altmetrics

Analysis of institutional authors

Fernández-Garrido, S.Corresponding AuthorCalleja, E.Author

Share

January 29, 2019
Publications
>
Article
Bronze

In situ GaN decomposition analysis by quadrupole mass spectrometry and reflection high-energy electron diffraction

Publicated to: JOURNAL OF APPLIED PHYSICS. 104 (3): 033541- - 2008-08-25 104(3), DOI: 10.1063/1.2968442

Authors:

Fernandez-Garrido, S; Koblmueller, G; Calleja, E; Speck, J S
[+]

Affiliations

Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA - Author
Univ Politecn Madrid, ETSI Telecommun, Dpt Ingn Elect, E-28040 Madrid, Spain - Author
Univ Politecn Madrid, ISOM, E-28040 Madrid, Spain - Author
See more

Abstract

Thermal decomposition of wurtzite (0001)-oriented GaN was analyzed: in vacuum, under active N exposure, and during growth by rf plasma-assisted molecular beam epitaxy. The GaN decomposition rate was determined by measurements of the Ga desorption using in situ quadrupole mass spectrometry, which showed Arrhenius behavior with an apparent activation energy of 3.1 eV. Clear signatures of intensity oscillations during reflection high-energy electron diffraction measurements facilitated complementary evaluation of the decomposition rate and highlighted a layer-by-layer decomposition mode in vacuum. Exposure to active nitrogen, either under vacuum or during growth under N-rich growth conditions, strongly reduced the GaN losses due to GaN decomposition. (C) 2008 American Institute of Physics.
[+]

Keywords

GrowthMolecular-beam epitaxyThin-films

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal JOURNAL OF APPLIED PHYSICS 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, 2008, it was in position 20/95, 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 2026-04-26:

  • WoS: 87
  • Scopus: 103
[+]

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 2026-04-26:

  • 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: 111.
  • 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: 111 (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: 6.
  • The number of mentions on Wikipedia: 1 (Altmetric).

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:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/2586/

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: 523
  • Downloads: 1,323
[+]

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: United States of America.

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 (FERNANDEZ GARRIDO, SERGIO) .

the author responsible for correspondence tasks has been FERNANDEZ GARRIDO, SERGIO.

[+]

Awards linked to the item

Thanks are due to A. Hirai, C. Gallinat, A. Corrion, and C. Poblenz for fruitful discussions (all UCSB). The authors gratefully acknowledge support from AFOSR (Donald Silversmith, Program Manager). This work made use of the MRL Central Facilities and was also partially supported by the Spanish Ministry of Education (MAT2004-2875, NAN04/09109/C04/2, Consolider-CSD 2006-19, and FPU program) and the Community of Madrid (GR/MAT/0042/2004 and S-0505/ESP-0200).
[+]