Leland Stanford Junior University

Dong Ji

Srabanti Chowdhury

In certain examples, methods and semiconductor structures are directed to use of a doped buried region (e.g., Mg-dopant) including a III-Nitride material and having a diffusion path ('ion diffusion path') that includes hydrogen introduced by using ion implantation via at least one ion species. An ion implantation thermal treatment causes hydrogen to diffuse through the ion implanted path and causes activation of the buried region. In more specific examples in which such semiconductor structures have an ohmic contact region at which a source of a transistor interfaces with the buried region, the ohmic contact region is without etching-based damage due at least in part to the post-ion implantation thermal treatment.

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Dong Ji