What are impurity defects ? Explain.

What is an impurity defect?

What are point defects?Explain the non stolchlometric point defects In ionic crystals.

Give the classification of stoichiometric point defects. What is a substitutional impurity defect? Explain solid solutions of metals and vacancy through aliovalent cations

What is an impurity defect? What kind of impurity defect is generated in a NaCl crystal when it is doped with a small amount of SrCl_(2) ? Calculate the number of cation vacancy per Sr^(2+) ions is this crystal?

Write note on impurity defect ?

When do impurity defects airse.

What is an impurity defect? What are its types? Explain the formation of vacancies through aliovalent impurity with example.