Doping of GaN{sub 1-x}As{sub x} with high As content

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Recent work has shown that GaN{sub 1-x}As{sub x} can be grown across the entire composition range by low temperature molecular beam epitaxy with intermediate compositions being amorphous, but control of the electrical properties through doping is critical for functionalizing this material. Here we report the bipolar doping of GaN{sub 1-x}As{sub x} with high As content to conductivities above 4 S/cm at room temperature using Mg or Te. The carrier type was confirmed by thermopower measurements. Doping requires an increase in Ga flux during growth resulting in a mixed phase material of polycrystalline GaAs:N embedded in amorphous GaN{sub 1-x}As{sub x}.

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Levander, A.X.; Novikov, S.V.; Liliental-Weber, Z.; dos Reis, R.; Dubon, O.D.; Wu, J. et al. September 22, 2011.

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Recent work has shown that GaN{sub 1-x}As{sub x} can be grown across the entire composition range by low temperature molecular beam epitaxy with intermediate compositions being amorphous, but control of the electrical properties through doping is critical for functionalizing this material. Here we report the bipolar doping of GaN{sub 1-x}As{sub x} with high As content to conductivities above 4 S/cm at room temperature using Mg or Te. The carrier type was confirmed by thermopower measurements. Doping requires an increase in Ga flux during growth resulting in a mixed phase material of polycrystalline GaAs:N embedded in amorphous GaN{sub 1-x}As{sub x}.

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  • Journal Name: Journal of Applied Physics; Journal Volume: 110; Journal Issue: 9; Related Information: Journal Publication Date: 11/2/2011

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  • Report No.: LBNL-5209E
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1063/1.3657779 | External Link
  • Office of Scientific & Technical Information Report Number: 1052162
  • Archival Resource Key: ark:/67531/metadc831274

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  • September 22, 2011

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  • May 19, 2016, 9:45 a.m.

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  • Oct. 2, 2017, 12:38 p.m.

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Levander, A.X.; Novikov, S.V.; Liliental-Weber, Z.; dos Reis, R.; Dubon, O.D.; Wu, J. et al. Doping of GaN{sub 1-x}As{sub x} with high As content, article, September 22, 2011; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc831274/: accessed March 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.