Solid State Question 135

Question: When electrons are trapped into the crystal in anion vacancy, the defect is known as

[BHU 2005]

Options:

A) Schotky defect

B) Frenkel defect

C) Stoichiometric defect

D) F-centres

Show Answer

Answer:

Correct Answer: D

Solution:

F-centres are the sites where anions are missing and instead electrons are present. they are responsible for colour.