| 摘要 |
To provide a Schottky electrode in a diamond semiconductor, which has a good adhesion properties to diamonds, has a contacting surface which does not become peeled due to an irregularity in an external mechanical pressure, does not cause a reduction in yield in a diode forming process and does not cause deterioration in current-voltage characteristics, and a method of manufacturing the Schottky electrode. A Schottky electrode which includes: scattered island-form pattern Pt-group alloy thin films which are formed on a diamond surface formed on a substrate, in which the Pt-group alloy includes 50 to 99.9 mass % of Pt and 0.1 to 50 mass % of Ru and/or Ir, or which includes electrodes in a scattered island pattern, including: scattered island-form pattern metal thin films which are formed on a diamond surface formed on a substrate and include one selected from Pt and Pd; and metal thin films which include one selected from Ru, Ir and Rh and are provided on all of the metal thin films which include one selected from Pt and Pd, and a method of manufacturing the Schottky electrode.
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