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Zirconium Mediated Hydrogen Outdiffusion from p-GaN
Published online by Cambridge University Press: 03 September 2012
Abstract
We have shown that Zr-based metallization can effectively remove hydrogen from the p-type GaN subsurface, which eventually leads to the formation of an ohmic contact. As the release of hydrogen starts at ∼900°C, the thermal stability of the contact system is of particular importance. The remarkable thermal behavior of the ZrN/ZrB2 metallization is associated to the microstructure of each individual Zr-based compound, as well as to the interfacial crystalline accommodation.
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- Copyright © Materials Research Society 1999