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.