why is agbr both schotky and frankel defect
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heyy dear ur answer....
Schottky defect, basically a vacancy defect, arises in ionic crystals when equal number of anions and cations are missing from their normal lattice sites, resulting in the formation of a pair of holes.
Schottky defect is generally found in strongly ionic compounds having high coordination number and made up of anions and cations of nearly same size.
On the other hand Frenkel defect arises when a cation leaves it's normal lattice position and occupies an interstitial position.
Frenkel defect is generally found in compounds having low coordination number and made up of cations and cations of widely different sizes i.e., anion much larger than cation...............
...........i hope it will help u................@kundan
Schottky defect, basically a vacancy defect, arises in ionic crystals when equal number of anions and cations are missing from their normal lattice sites, resulting in the formation of a pair of holes.
Schottky defect is generally found in strongly ionic compounds having high coordination number and made up of anions and cations of nearly same size.
On the other hand Frenkel defect arises when a cation leaves it's normal lattice position and occupies an interstitial position.
Frenkel defect is generally found in compounds having low coordination number and made up of cations and cations of widely different sizes i.e., anion much larger than cation...............
...........i hope it will help u................@kundan
timPaine:
thanx sir
cant.. u r the lone answerer
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