Point defects are commonly expressed in Kroger-Vink notation.In Cao the two most common defects are:V'"Ca, which indicates.on asite with an effectivecharge.v*o. which indicates aon asite with an effectivecharge.In CaF2 the most common defects are:V*F, which indicates aon awith an effectivecharge.F'i, which indicates aon ansite with an effectivecharge.From this it can be determined that CaO hasdefects whilst CaF2 hasdefects, which are both common types ofpoint defects. In contrast replacing Cawith Sr in CaO to make awould be an example of introducingdefects.solid solution+1-1extrinsic+2intrinsicinterstitialCaFrenkel-2vacancySchottky

Answered: Image /qna-images/answer/eb780aa8-7ccd-46a9-9f8c-c90c67ef6139.jpg

Answered: V'"Ca, which indicates a on a site with…

V'"Ca, which indicates a on a site with an effective charge. v**o, which indicates a on a site with an effective charge.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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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Question

Point defects are commonly expressed in Kroger-Vink notation.
In Cao the two most common defects are:
V'"Ca, which indicates.
on a
site with an effective
charge.
v*o. which indicates a
on a
site with an effective
charge.
In CaF2 the most common defects are:
V*F, which indicates a
on a
with an effective
charge.
F'i, which indicates a
on an
site with an effective
charge.
From this it can be determined that CaO has
defects whilst CaF2 has
defects, which are both common types of
point defects. In contrast replacing Ca
with Sr in CaO to make a
would be an example of introducing
defects.
solid solution
+1
-1
extrinsic
+2
intrinsic
interstitial
Ca
Frenkel
-2
vacancy
Schottky

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