1985
DOI: 10.1139/p85-118
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A mechanism for induced surface degradation of high-resistive GaAs during device fabrication

Abstract: Undoped, liquid-encapsulated-Czochralski (LEC)-grown, semi-insulating (SI) GaAs crystals were electrically characterized by temperature-dependent Hall effects and conductivity measurements to establish the mechanism for thermally induced surface degradation. X-ray photoelectron spectroscopy (XPS) was used to obtain depth profiles of the Ga and As composition, and the nature of the defect complexes and their changes were determined using Fourier-transform infrared spectroscopy (FTIR). Boron-related inhomogeneit… Show more

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