Physics · Solid State Physics
In an ionic crystal exhibiting only Schottky defects, how does an increase in temperature affect the electrical conductivity of the solid?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The conductivity increases because the formation of vacancies facilitates greater ionic mobility under an electric field.✓
- 2The conductivity remains completely unchanged because no free charge carriers are generated.
- 3The conductivity decreases because the resulting vacancies strictly block the movement of any charge.
- 4The conductivity increases primarily because Schottky defects introduce free electrons into the conduction band.
Correct answer
The conductivity increases because the formation of vacancies facilitates greater ionic mobility under an electric field.
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