The relationship between band gap energy and temperature can be described by ____________.

supersymmetric quantum mechanics.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

hyperuniformity.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

phonons theory.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Varshni's empirical expression.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Varshni's empirical expression.
The Varshni's empirical expression gives the relationship between band gap energy and temperature given by:
$E g (T) = E g (0) - \frac{α T^{2}}{T + β}$
where, Eg(0), α, β are material constants.

Suggest Corrections

Similar questions

Q. Energy gap between valence band and conduction band of a semiconductor is

The state of a gas can be described by quoting the relationship between
(a) pressure, volume, temperature
(b) temperature, amount, pressure
(c) amount, volume, temperature
(d) pressure, volume, temperature, amount

Q. The band gaps of a conductor, semiconductor and insulator are respectively

{E G}_{1}, {E G}_{2}

and

{E G}_{3}

. The relationship between them can be given as.

In a semiconductor , the energy gap between valence band and conduction band is about

Q. Assertion :If the temperature of a semiconductor is increased then its resistance decreases. Reason: The energy gap between conduction band and valence band is very small.

Join BYJU'S Learning Program

The relationship between band gap energy and temperature can be described by ____________.

The correct option is D Varshni's empirical expression.The Varshni's empirical expression gives the relationship between band gap energy and temperature given by:Eg(T)=Eg(0)−αT2T+βwhere, Eg(0), α, β are material constants.

The correct option is D Varshni's empirical expression.
The Varshni's empirical expression gives the relationship between band gap energy and temperature given by:
$E g (T) = E g (0) - \frac{α T^{2}}{T + β}$
where, Eg(0), α, β are material constants.