Advertisements
Advertisements
Question
What is a substitutional impurity defect?
Advertisements
Solution
In this defect, the foreign atoms are found at the lattice sites in place of host atoms. The regular atoms are displaced from their lattice sites by impurity atoms.
APPEARS IN
RELATED QUESTIONS
What are the consequences of the Schottky defect in crystals?
What is an impurity defect? What are its types? Explain the formation of vacancies through aliovalent impurity with example.
Explain with diagram, the vacancy defect.
How are nonstoichiometric point defects classified? Explain with diagram the metal deficiency defect.
Which of the following is an example of substitutional impurity defect?
When a cation or anion from ionic solid leaves its regular lattice site and moves to occupy an interstitial site, it is called as ____________.
Which of the following match is CORRECT?
(I) Frenkel defect: Electrical neutrality of the compound is preserved.
(II) Schottky defect: Density of the substance decreases.
(III) Schottky defect: Combination of vacancy defect and interstitial defect.
(IV) Frenkel defect: Small difference between size of cation and anion.
Which of the following pair of ionic crystals show Schottky defect?
Schottky defect in crystals is observed when ____________.
Which among the following defects is observed in Brass?
Schottky defect is formed in ionic compounds with ____________.
Explain metal deficiency defect with examples.
In which among the following solids, Schottky defect is not observed?
When electrons are trapped into the crystal in anion vacancy, the defect is known as ______.
Explain the following term:
Substitutional impurity defect
Explain the following term:
Interstitial impurity defect
Explain Self interstitial defect in elemental solid.
What is a crystal defect?
What is a vacancy defect?
What are point defects?
Identify the type of defect from following in stainless steel.
