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(a)
Interpretation:
The given semiconductor has to be classified as n-type or p-type semiconductor.
Concept introduction:
Semiconductor:
A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.
p-type semiconductor:
p-type doped semiconductor is the one in which holes (positive charge) are present in valence band. Example: silicon doped with boron.
n-type semiconductor:
This type of doped semiconductor is the one in which many free electrons are present in conduction band.
(b)
Interpretation:
The given semiconductor has to be classified as n-type or p-type semiconductor.
Concept introduction:
Semiconductor:
A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.
p-type semiconductor:
p-type doped semiconductor is the one in which holes (positive charge) are present in valence band. Example: silicon doped with boron.
n-type semiconductor:
This type of doped semiconductor is the one in which many free electrons are present in conduction band.
(c)
Interpretation:
The given semiconductor has to be classified as n-type or p-type semiconductor.
Concept introduction:
Semiconductor:
A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.
p-type semiconductor:
p-type doped semiconductor is the one in which holes (positive charge) are present in valence band. Example: silicon doped with boron.
n-type semiconductor:
This type of doped semiconductor is the one in which many free electrons are present in conduction band.
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Chapter 21 Solutions
General Chemistry: Atoms First
- 8.96 A business manager wants to provide a wider range of p- and n-type semiconductors as a strategy to enhance sales. You are the lead materials engineer assigned to communicate with this manager. How would you explain why there are more ways to build a p-type semiconductor from silicon than there are ways to build an n-type semiconductor from silicon?arrow_forwardDirect bandgap semiconductor materials generally support radiative (optoelectronic) transitions better compared to indirect bandgap semiconductor materials. Why?arrow_forward(a) What change occurs when AgCl is doped with CdCl2?(b) What type of semiconductor is produced when silicon is doped with boron?arrow_forward
- Using Table 22.1, predict the structure of each of the fol- lowing silicate minerals (network, sheets, double chains, and so forth). Give the oxidation state of each atom. (a) Andradite, Ca3Fe2(SiO4)3 (b) Vlasovite, Na,ZrSi,O10 (c) Hardystonite, Ca,ZnSi¿O7 (d) Chrysotile, Mg;Si,O5(OH)4arrow_forwardSilicon and germanium are both semiconducting elementsfrom Group 4A(14) that can be doped to improve their conduc-tivity. Would each of the following form an n-type or a p-typesemiconductor: (a) Ge doped with P; (b) Si doped with In?arrow_forward
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