a. What is the value of Egap (in eV)? b. Is the material a direct or indirect band-gap semiconductor? c. What is the value of Ec (in eV)?

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Gallium Nitride is a binary III/V semiconductor commonly used in the production of violet colored LEDs. The compound has a Wurtzite crystal structure. If the temperature of the crystal is 300 K and it has a volume of 1 cm3.
a. What is the value of Egap (in eV)?
b. Is the material a direct or indirect
band-gap semiconductor?
c. What is the value of Ec (in eV)?
Transcribed Image Text:a. What is the value of Egap (in eV)? b. Is the material a direct or indirect band-gap semiconductor? c. What is the value of Ec (in eV)?
10
ev GaN
Φ
8
(
6
2
ωο
-2
του β
-6
1,3
1.3
2,4
3
--
5
5,6
1.3
5.6
1,3
-8
A R LU M Σ ΓΔΑ
k
1,2
1,2
3
S Η Ρ Κ
-
Γ
Transcribed Image Text:10 ev GaN Φ 8 ( 6 2 ωο -2 του β -6 1,3 1.3 2,4 3 -- 5 5,6 1.3 5.6 1,3 -8 A R LU M Σ ΓΔΑ k 1,2 1,2 3 S Η Ρ Κ - Γ
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