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प्रश्न
Why are elemental dopants for Silicon or Germanium usually chosen from group XIII or group XV?
उत्तर
The size of dopant atoms should be such as not to distort the pure semiconductor lattice structure and yet easily contribute a charge carrier on forming covalent bonds with Si or Ge.
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संबंधित प्रश्न
Distinguish between 'intrinsic' and 'extrinsic' semiconductors
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A donor impurity results in ______.
In p-type semiconductor, the dopant is ______.
The figure shows a piece of pure semiconductor S in series with a variable resistor R and a source of constant voltage V. Should the value of R be increased or decreased to keep the reading of the ammeter constant, when semiconductor S is heated? Justify your answer
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- Statement II: The n-type semiconductor has net negative charge. In the light of the above statements, choose the most appropriate answer from the options given below:
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