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Explain Scottky defect....

Explain Scottky defect.

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Explain Schottky defect in Stoichiometric crystals. What are the consequences of Schottky and Frenkel defects in crystals ?

(a) Define the terms crystalline and amorphous solids. (b) Explain Schottky defect with an example.

(a) Defince the following terms : (i) F-centre (ii) Unit cell (b) Explain Schottky defect with an example .

Explain the following terms with suitable example: a. Schottky defect b. Frenkel defect c. Interstitials d. F-centres

Assertion (A) Both Frenkel and Schottky defects are stoichiometric defects. Reason (R ) Both defects change the density of the crystalline solid.

Explain on brief Schottky defect.

Give reasons : In stoichiometric defects, NaCl exhibits Schottky defect and not Frenkel defect.

DINESH PUBLICATION-SOLID STATE-ASSIGNMENT
  1. How will you show that non-stoichiometic solium chloride is yellow ?

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  2. What are non-stoichiometry defects in crystals ? Explain.

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  3. Explain Scottky defect.

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  4. What is the effect of Schottky defect on the density of crystal ?

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  5. Write notes on : (i) Frenkel defects (ii) Schottky defect.

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  6. Explain on brief Schottky defect.

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  7. What is the point defect due to the presence of foreign atom ? ltbRgt ...

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  8. ELECTRONIC AND LINE IMPERFECTIONS

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  9. Explain Frenkel defect in ionic crystals. What type of compounds exhib...

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  10. Why is phosphours doped silicon a semi-conductor?

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  11. Explain the conductivity of n-type semi-conductors.

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  12. Schottky defect lowers the density of ionic crystals while Frenkel def...

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  13. Write the difference between Frenkel and Schottky defects.

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  14. Explain the following : (i) How does density of crystals change due ...

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  15. Explan how Schottky defect occurs.

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  16. Explain Frenkel defects in crystals.

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  17. Write the difference between Frenkel and Schottky defects.

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  18. Write two points of distinction between Schottky and Frenkel defects.

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  19. Which point defect in crystals does not alter the density of the relev...

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  20. Which point defect in the crystals increases the density of the solid ...

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