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Preparation of MgO films on GaAs by metalorganic chemical vapor deposition

  • Korea Research Institute of Chemical Technology

Research output: Contribution to journal › Article › peer-review

Abstract

MgO films have been prepared on GaAs(100) substrates by low-pressure metalorganic chemical vapor deposition using Mg(tmhd)2 as a precursor and oxygen as a carrier gas, where tmhd is 2,2,6,6-tetramethyl-3,5-heptanedionate. Polycrystalline MgO films oriented mainly in the [100] direction were obtained at the substrate temperature of 300°C. However, [110] oriented growth began to appear as the deposition temperature was increased. Deposition at 500°C was found to induce breaking of the GaAs surfaces.

Original languageEnglish
Pages (from-to)233-236
Number of pages4
JournalMaterials Letters
Volume26
Issue number4-5
DOIs
StatePublished - Mar 1996
Externally publishedYes

Keywords

  • CVD
  • Gaas substrates
  • Metalorganic
  • MgO films

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