Characterization of GaN quantum dots on AlGaN/SiC substrate using cathodoluminescence

A. Petersson, Tanaka Satoru, Y. Aoyagi, L. Samuelson

Research output: Contribution to journalArticle

Abstract

GaN quantum dots on an AlGaN surface can be fabricated by the use of Si as a surface modifier for the formation of the quantum dots. The details of this mechanism is not yet fully understood. The scope of this paper is to investigate how the growth temperature is affecting the formation of these types of structures. By the use of cathodoluminescence it was possible to visualize the spatial distribution of the luminescence from the quantum dots, the barrier and luminescence tentatively attributed to deep level impurities induced by the Si treatment.

Original languageEnglish
Pages (from-to)1335-1338
Number of pages4
JournalMaterials Science Forum
Volume264-268
Issue numberPART 2
Publication statusPublished - Dec 1 1998
Externally publishedYes

Fingerprint

Cathodoluminescence
cathodoluminescence
Semiconductor quantum dots
quantum dots
Luminescence
Substrates
luminescence
Growth temperature
Spatial distribution
spatial distribution
Impurities
impurities
aluminum gallium nitride
temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Petersson, A., Satoru, T., Aoyagi, Y., & Samuelson, L. (1998). Characterization of GaN quantum dots on AlGaN/SiC substrate using cathodoluminescence. Materials Science Forum, 264-268(PART 2), 1335-1338.

Characterization of GaN quantum dots on AlGaN/SiC substrate using cathodoluminescence. / Petersson, A.; Satoru, Tanaka; Aoyagi, Y.; Samuelson, L.

In: Materials Science Forum, Vol. 264-268, No. PART 2, 01.12.1998, p. 1335-1338.

Research output: Contribution to journalArticle

Petersson, A, Satoru, T, Aoyagi, Y & Samuelson, L 1998, 'Characterization of GaN quantum dots on AlGaN/SiC substrate using cathodoluminescence', Materials Science Forum, vol. 264-268, no. PART 2, pp. 1335-1338.
Petersson, A. ; Satoru, Tanaka ; Aoyagi, Y. ; Samuelson, L. / Characterization of GaN quantum dots on AlGaN/SiC substrate using cathodoluminescence. In: Materials Science Forum. 1998 ; Vol. 264-268, No. PART 2. pp. 1335-1338.
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