An electronic device contains a substrate, a sub-collector supported by
the substrate, an un-doped layer having a selectively implanted buried
sub-collector and supported by the sub-collector, an As-based nucleation
layer partially supported by the un-doped layer, a collector layer
supported by the As-based nucleation layer, a base layer supported by the
collector layer, an emitter layer and a base contact supported by the
base layer, an emitter cap layer supported by the emitter layer, an
emitter contact supported by the emitter cap layer, and a collector
contact supported by the sub-collector. A method provides for selecting a
first InP layer, forming an As-based nucleation layer on the first InP
layer, and epitaxially growing a second InP layer on the As-based
nucleation layer.