P-type,whiskers grown using complex doping by Au,Pt and B2O3 have a <111>growth direction,formed as hexagonal prisms with faces 1-30 um in width,resistivity varies by doping.
Sensors and Actuators A,30(1992), p.29
Ultimate strength
1 .. 2.4 GPa
P-type,whiskers grown using complex doping and having a<111> growth direction and 20-40um diameter.