Atomic layer deposition of GeO2

Atomic layer deposition processes for forming germanium oxide thin films are provided. In some embodiments the ALD processes can include the following: contacting the substrate with a vapor phase tetravalent Ge precursor such that at most a molecular monolayer of the Ge precursor is formed on the su...

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Bibliographische Detailangaben
1. Verfasser:	MATERO RAIJA H
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Atomic layer deposition processes for forming germanium oxide thin films are provided. In some embodiments the ALD processes can include the following: contacting the substrate with a vapor phase tetravalent Ge precursor such that at most a molecular monolayer of the Ge precursor is formed on the substrate surface; removing excess Ge precursor and reaction by products, if any; contacting the substrate with a vapor phase oxygen precursor that reacts with the Ge precursor on the substrate surface; removing excess oxygen precursor and any gaseous by-products, and repeating the contacting and removing steps until a germanium oxide thin film of the desired thickness has been formed.