Which of the following conditions favours the existence of a substance in the solid state?
(b) Low temperature
p-type semiconductors are formed When Si or Ge are doped with
(c) group 13 elements
To get n-type of semiconductor, germanium should be doped with
In a Schottky defect
(c) some lattice sites are vacant
What is the effect of Frenkel defect on the density of ionic solids?
(c) The density of the crystal remains unchanged