Schottky-defect in ceramic material is
  • 1.  Vacancy- interstitial pair of cations
  • 2.  Interstitial impurity
  • 3.  Substitutional impurity
  • 4.  Pair of nearby cation and anion vacancies

Dear Student,

Schottky defect is basically a vacancy defect shown by ionic solids. In this defect, an equal number of cations and anions are missing to maintain electrical neutrality. It decreases the density of a substance

Schottky-defect in ceramic material is
  • 4.  Pair of nearby cation and anion vacancies
In ceramic materials point defects occur in pair to maintain electroneutrality.

Regards

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