TECH OFFER

A Method for Producing an Epitaxial Layer Of Semi-Polar Gallium Nitride (Gan) On M-Plane Sapphire Substrate

TECHNOLOGY OVERVIEW

The invention discloses a method to achieve a single-crystalline with high quality semi-polar gallium nitride (GaN) hetro-epitaxial layers grown on m-plane sapphire by metalorganic chemical vapour deposition (MOCVD). The method comprises the steps of treating the m-plane sapphire substrate layer by a hydrogen cleaning process to remove contamination; performing a nitridation process on the substrate layer induces the formation of A1N layers with slanted facets on the surface of the sapphire substrate; depositing a GaN nucleation layer on top of the substrate layer; performing a re-crystallisation process on the GaN nucleation layer to change its crystallographic phase of the GaN growth; depositing a GaN buffer layer on top of the GaN nucleation layer; and depositing GaN overgrowth layer on top of the GaN buffer layer.

Mega - Trends

Future of Consumer Electronics, Chemicals and Materials

Technology Readiness Level (TRL)

TRL 3

Patent Number

PI 2016701553

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Contact person for this offer:

ChM Dr. Lee Ching Shya, PhD (Dual), RTTP

Technology Transfer Manager

Email: leecs@um.edu.my

Tel: +603-7967-7351/ 013-2250151

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