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It gives the band a beat and tempo. In other words, a conductor is just a back- up drummer just in case the drummer sucks or there is no drummer.

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Are free electron in valence band or conduction band?

In semiconductors free electrons are in conduction bands.


Possibility of holes in conduction band?

hoes are vacancies left by the electron in the valence band. hence there cannot be holes in the conduction band


What are conduction band?

The quantum mechanical energy band where electrons reside in semiconductors that participate in electrical conduction.


Why conduction band and valence band partially filled?

No. Conduction band is basically the unfilled energy levels into which electrons can be excited to provide conductivity.


What is the difference between direct and indirect energy?

The band gap represents the minimum energy difference between the top of the valence band and the bottom of the conduction band, However, the top of the valence band and the bottom of the conduction band are not generally at the same value of the electron momentum. In a direct band gap semiconductor, the top of the valence band and the bottom of the conduction band occur at the same value of momentum.In an indirect band gap semiconductor, the maximum energy of the valence band occurs at a different value of momentum to the minimum in the conduction band energy


What are the difference between direct and indirect band gap materials?

In a direct band gap the electron only needs energy to jump to the conduction band. In an indirect band an electron needs energy and momentum to jump to the conduction band


What is the difference between the valence band and the conduction band in a material's electronic structure?

The valence band is the energy band in a material where electrons are normally found, while the conduction band is the energy band where electrons can move freely to conduct electricity. The key difference is that electrons in the valence band are tightly bound to atoms, while electrons in the conduction band are free to move and carry electric current.


What are conduction?

The quantum mechanical energy band where electrons reside in semiconductors that participate in electrical conduction.


What is the name of two energy bands at which current is produced in silicon?

The two energy bands in which current is produced in silicon are the valence band and the conduction band. Electrons in the valence band can be excited to the conduction band by absorbing energy, allowing them to move and create an electric current.


Which energy band do free electrons exist?

Free electrons typically exist in the conduction band of a material's energy band structure. In the conduction band, electrons are not bound to any specific atom and are free to move and conduct electricity.


What is the relationship between the valence and conduction bands in semiconductor materials?

In semiconductor materials, the valence band is the highest energy band occupied by electrons, while the conduction band is the next higher energy band that electrons can move into to conduct electricity. The energy gap between the valence and conduction bands determines the conductivity of the semiconductor.


Effective density of states in conduction band?

The effective density of states in the conduction band refers to the density of electron states available for conduction. It is influenced by factors like the band structure of the material, temperature, and the presence of impurities or defects. It characterizes the number of conducting electrons that can participate in charge transport in a material.