AlGaN/GaN Heterostructure Schottky Barrier Diodes with Graded Barrier Layer

<div>Schematic illustration of (a) conventional and (b) recessed ring SBDs. (c) Optical microscope photograph of ring SBDs. (d) Schematic illustration of the SBD with air-bridge structure. (e) The SEM image of the SBD with air-bridge structure.</div>

Advances in Condensed Matter Physics

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Figure 2

Figure 2: AlGaN/GaN Heterostructure Schottky Barrier Diodes with Graded Barrier Layer 