Question

In bcc crystal percentage fraction of edge not covered by atoms

Answer 1

· [math]4*R = a*(√2)[/math] // R is the radius of the atom or [math]a ... Percentage edge uncovered : ([math]0.83R/a )*100 ..

Answer 2

The potential Barrier of Silicon is more compared to Germanium which makes Ge more conductive as compared to Si. But the present trend is to use Silicon instead of Germanium in many devices like SMPS etc. ... The structure of Germanium crystals will be destroyed at higher temperature.