Schottky defect generally appears in:
Which defect causes decrease in the density of crystal
The fraction of total volume occupied by the atoms present in a simple cube is
On doping Ge metal with a little of In or Ga, one gets
With which one of the following elements silicon should be doped so as to give p-type of semiconductor?
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,
Each of the following solids show, the Frenkel defect except
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
