Surfactant assisted growth of MgO films on GaN

E. A. Paisley, T. C. Shelton, S. Mita, R. Collazo, H. M. Christen, Z. Sitar, M. D. Biegalski, J. P. Maria

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Thin epitaxial films of 111 oriented MgO on [0001]-oriented GaN were grown by molecular beam epitaxy and pulsed laser deposition using the assistance of a vapor phase surfactant. In both cases, surfactant incorporation enabled layer-by-layer growth and a smooth terminal surface by stabilizing the {111} rocksalt facet. Metal-insulator-semiconductor capacitor structures were fabricated on n-type GaN. A comparison of leakage current density for conventional and surfactant-assisted growth reveals a nearly 100× reduction in leakage current density for the surfactant-assisted samples. These data verify numerous predictions regarding the role of H-termination in regulating the habit of rocksalt crystals.

Original languageEnglish (US)
Article number092904
JournalApplied Physics Letters
Volume101
Issue number9
DOIs
StatePublished - Aug 27 2012

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surfactants
leakage
current density
habits
MIS (semiconductors)
pulsed laser deposition
flat surfaces
capacitors
molecular beam epitaxy
vapor phases
thin films
predictions
crystals
lasers

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Paisley, E. A., Shelton, T. C., Mita, S., Collazo, R., Christen, H. M., Sitar, Z., ... Maria, J. P. (2012). Surfactant assisted growth of MgO films on GaN. Applied Physics Letters, 101(9), [092904]. https://doi.org/10.1063/1.4748886
Paisley, E. A. ; Shelton, T. C. ; Mita, S. ; Collazo, R. ; Christen, H. M. ; Sitar, Z. ; Biegalski, M. D. ; Maria, J. P. / Surfactant assisted growth of MgO films on GaN. In: Applied Physics Letters. 2012 ; Vol. 101, No. 9.
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Paisley, EA, Shelton, TC, Mita, S, Collazo, R, Christen, HM, Sitar, Z, Biegalski, MD & Maria, JP 2012, 'Surfactant assisted growth of MgO films on GaN', Applied Physics Letters, vol. 101, no. 9, 092904. https://doi.org/10.1063/1.4748886

Surfactant assisted growth of MgO films on GaN. / Paisley, E. A.; Shelton, T. C.; Mita, S.; Collazo, R.; Christen, H. M.; Sitar, Z.; Biegalski, M. D.; Maria, J. P.

In: Applied Physics Letters, Vol. 101, No. 9, 092904, 27.08.2012.

Research output: Contribution to journalArticle

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Paisley EA, Shelton TC, Mita S, Collazo R, Christen HM, Sitar Z et al. Surfactant assisted growth of MgO films on GaN. Applied Physics Letters. 2012 Aug 27;101(9). 092904. https://doi.org/10.1063/1.4748886