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
In which pair most efficient packing is present?
(b) hep and ccp
Which of the following will have metal deficiency defect?
Silver halides generally show
(c) Both Frenkel and Schottky defects
What type of stoichiometric defect is shown by ZnS?
(b) Frenkel defect
Which of the following crystals does not exhibit Frenkel defect?