A SiGe bipolar transistor containing substantially no dislocation defects
present between the emitter and collector region and a method of forming
the same are provided. The SiGe bipolar transistor includes a collector
region of a first conductivity type; a SiGe base region formed on a
portion of said collector region; and an emitter region of said first
conductivity type formed over a portion of said base region, wherein said
collector region and said base region include carbon continuously therein.
The SiGe base region is further doped with boron.