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Improved performance of Schottky diodes on pendeoepitaxial gallium nitride
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We designed experiments to investigate the role of dislocation density on the performance of Schottky diodes fabricated on a GaN material grown conventionally and by pendeo-epitaxy. Devices of varying geometries were fabricated on low defect density GaN regions grown selectively via pendeo-epitaxy. In addition, corresponding devices were fabricated on the conventional GaN material with a high density of dislocations. Schottky diodes fabricated on pendeo-material showed nearly two orders of magnitude lower leakage current and displayed improved ideality factor, while diodes built on a conventional material displayed nonideal characteristics.
AIP Publishing
Title: Improved performance of Schottky diodes on pendeoepitaxial gallium nitride
Description:
We designed experiments to investigate the role of dislocation density on the performance of Schottky diodes fabricated on a GaN material grown conventionally and by pendeo-epitaxy.
Devices of varying geometries were fabricated on low defect density GaN regions grown selectively via pendeo-epitaxy.
In addition, corresponding devices were fabricated on the conventional GaN material with a high density of dislocations.
Schottky diodes fabricated on pendeo-material showed nearly two orders of magnitude lower leakage current and displayed improved ideality factor, while diodes built on a conventional material displayed nonideal characteristics.
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