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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Bih, L. |
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Casati, R. |
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Kočí, Jan | Prague |
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Ali, M. A. |
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Werbowy, Aleksander
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Publications (5/5 displayed)
- 2021TiAl-based Ohmic Contacts to p-type 4H-SiC
- 2020Ti and TiAl-based ohmic contacts to 4H-SiCcitations
- 2016Electrical characterization of ZnO/4H-SiC n–p heterojunction diodecitations
- 2013Reactive impulse plasma ablation deposited barium titanate thin films on siliconcitations
- 2007Barium titanate thin films plasma etch rate as a function of the applied RF power and Ar/CF<inf>4</inf> mixture gas mixing ratiocitations
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article
TiAl-based Ohmic Contacts to p-type 4H-SiC
Abstract
This paper describes successfully formed ohmic contacts to p-type 4H-SiC based on titanium-aluminum alloys. Four different metallization structures were examined, varying in aluminum layer thickness (25, 50, 75, 100 nm) and with constant thickness of the titanium layer (50 nm). Structures were annealed within the temperature range of 800°C - 1100°C and then electrically characterized. The best electrical parameters and linear, ohmic character of contacts demonstrated structures with Al layer thickness equal or greater than that of Ti layer and annealed at temperatures of 1000°C or higher.