Carbon and hydrogen incorporation in ZnTe layers grown by metalorganic chemical vapor deposition |
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Authors: | Hervé Dumont Ludvik Svob Dominique Ballutaud Ouri Gorochov |
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Affiliation: | (1) Laboratoire de Physique des Solides de Bellevue, 1, place Aristide Briand, 92195 Meudon Cedex, France |
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Abstract: | The metalorganic chemical vapor deposition growth of ZnTe has been performed at atmospheric pressure under helium and hydrogen
carrier gases. Epitaxial growth was achieved on GaAs (100) substrates with the combination of diethylzinc and diethyltellurium
as precursors. We have studied the incorporation of carbon and hydrogen in as-grown layers of ZnTe by secondary ion mass spectroscopy
analysis and out-diffusion experiments with different carrier gases and growth temperatures. The amount of carbon and hydrogen
incorporated in the ZnTe layers greatly depends on the nature of the gas considered. Under helium atmosphere, the amount of
carbon and hydrogen incorporated are greater than under H2 with an origin from organometallic precursors. |
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Keywords: | Carbon and H2 incorporation ZnTe Metalorganic chemical Vapor deposition (MOCVD) |
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