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Which of the following statements is true regarding interstitial voids?

Option: 1

They increase the density of a solid


Option: 2

They decrease the stability of a solid


Option: 3

They affect the electrical conductivity of a solid


Option: 4

They do not affect the properties of a solid


Answers (1)

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 Interstitial voids can affect the electrical conductivity of a solid. If foreign atoms or ions occupy the interstitial voids, they can introduce impurity levels in the band structure of the crystal lattice, which can affect the electrical conductivity of the solid. This phenomenon is often used to modify the electrical properties of semiconducting materials.

 

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