Abstract
The PtSi layer and PtSi/Al, PtSi/AlCuSi, PtSi / TiW / AlCuSi, Ti /Ni / Ag, Al / Ti / Ni / Ag stacks were tested as the anode contact of high-power P-i-N diode. The forward voltage drop (V<sub>F</sub>), differential resistance (R<sub>diff</sub>) and crossing point current (I<sub>Xing</sub>) of diodes were evaluated from the forward I-V curves at different temperatures measured in four point arrangement. The lowest magnitude of contact resistivity and poor thermal stability were obtained for the case of diode with PtSi contact. The additional layers have improved the temperature stability of this contact. It has led to the increase of contact resistance, but the PtSi layer is still possible to use as a source of Pt for further local lifetime control operation.
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