Question

what is schottky defect?

Answer 1

A Schottky defect is a type of point defect in a crystal lattice named after Walter H. Schottky. In non-ionic crystals it means a lattice vacancy defect. In ionic crystals, the defect forms when oppositely charged ions leave their lattice sites, creating vacancies.

Answer 2

$\bold {\large{\underline {Schottky\:defect :-}}}$
$<i>$

♢ Schottky defect is a point defect. the missing of an ion from crystal lattice accompanied by mixing of oppositely charged ion is known as $<b>$"Schottky defect"