Schottky defect Frenkel defect When Frenkel defect occurs, there is n change in charge because the cation maintains the same positive charge as an interstitial. Frenkel defect involves a cation- vacancy and a cation-interstitial pair. Schottky defect involves a cation vacancy and an anion vacancy pair. When Schottky defect occurs, the charge neutrality of the crystal is not maintained because it involves both anions and cations.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Schottky defect
Frenkel defect
When Frenkel defect occurs, there is no
change in charge because the cation
maintains the same positive charge as
an interstitial.
Frenkel defect involves a cation-
vacancy and a cation-interstitial pair.
Schottky defect involves a cation
vacancy and an anion vacancy pair.
When Schottky defect occurs, the
charge neutrality of the crystal is not
maintained because it involves both
anions and cations.
Transcribed Image Text:Schottky defect Frenkel defect When Frenkel defect occurs, there is no change in charge because the cation maintains the same positive charge as an interstitial. Frenkel defect involves a cation- vacancy and a cation-interstitial pair. Schottky defect involves a cation vacancy and an anion vacancy pair. When Schottky defect occurs, the charge neutrality of the crystal is not maintained because it involves both anions and cations.
3
Which one below is not true for Frenkel
and Schottky defects in ionic solids? *
Schottky defect
Frenkel defect
When Frenkel defect occurs, there is no
change in charge because the cation
maintains the same positive charge as
an interstitial.
Transcribed Image Text:3 Which one below is not true for Frenkel and Schottky defects in ionic solids? * Schottky defect Frenkel defect When Frenkel defect occurs, there is no change in charge because the cation maintains the same positive charge as an interstitial.
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