Shallow Ohmic Contact System to n-GaAs
E. Kamińska, A. Piotrowska, T.T. Piotrowski, A. Barcz, M. Guziewicz, J. Adamczewska
Institute of Electron Technology, Al. Lotników 32/46, 02-668 Warszawa, Poland

and S. Kwiatkowski
Institute of Nuclear Studies, Hoża 69, 00-682 Warszawa, Poland
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Low resistance (Au)GeNi ohmic contacts to n-GaAs with smooth morphology and restricted penetration into the substrate have been fabricated. Rapid thermally nitrided tungsten has been demonstrated to be an effective capping layer during the contact processing.
DOI: 10.12693/APhysPolA.84.804
PACS numbers: 73.40.Ns