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Schottky defect is-...

Schottky defect is-

A

vacancy of ions

B

delocalisation of ions

C

interstitial vacancy of ions

D

vacancy of only cations

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The correct Answer is:
A
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CHHAYA PUBLICATION-SOLID STATE-ENTRANCE QUESTION BANK
  1. In calcium fluoride, having the fluorite structure, the coordination n...

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  2. The ionic radii of A^(+)andB^(-) ions are 0.98xx10^(-10)m and 1.81xx10...

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  3. Lithium has bcc structure. Its density is 530kg*m^(-3) and its atomic ...

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  4. Which is the incorrect statement-

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  5. Iron exhibits bcc structure at room temperature. Above 900^(@)C, it tr...

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  6. Schottky defect is-

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  7. CsCl has bcc arrangement. Its unit cell edge length is 400 pm. Its int...

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  8. If Si is doped with B-

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  9. In bcc structure contribution of corner and central atom is-

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  10. In a solid, atom M occupies ccp lattice and 1/3rd of tetrahedral voids...

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  11. A forms hcp lattice and B are occupying 1/3rd of tetrahedral voids, th...

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  12. Ca^(2+)andF^(-) are located in CaF(2) crystal, respectively at face-ce...

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  13. Addition of group-13 elements to intrinsic semiconductors result in-

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  14. The yellow colour in NaCl crystals is due to-

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  15. Which of the following is an amorphous solid-

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  16. If an atom crystallises in bcc lattice with r = 4Å then the edge lengt...

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  17. ZnO is white when cold and yellow when heated. It is due to the develo...

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  18. A forms hcp lattice and B are occupying 1/3rd of tetrahedral voids, th...

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  19. F-centre is-

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  20. What colour is observed when ZnO is heated-

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