Each of the following solids show, the Frenkel defect except
On doping Ge metal with a little of In or Ga, one gets
The fraction of total volume occupied by the atoms present in a simple cube is
With which one of the following elements silicon should be doped so as to give p-type of semiconductor?
The crystal system of a compound with unit cell dimensions "a = 0.387, b = 0.387 and c = 0.504 nm and α = β = 90° and γ = 120°" is
Which defect causes decrease in the density of crystal
If ‘a’ stands for the edge length of the cubic systems: simple cubic, body centred cubic and face centred cubic, then the ratio of radii of the spheres in these systems will be respectively,
Schottky defect generally appears in:
