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Conductivity in Semiconductors Formula

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Conductivity is the measure of the ease at which an electric charge or heat can pass through a material. It is the reciprocal of resistivity. Check FAQs

σ = (ρ e \cdot [Charge-e] \cdot μ n) + (ρ h \cdot [Charge-e] \cdot μ p)

σ - Conductivity?ρ_e - Electron Density?μ_n - Mobility of Electron?ρ_h - Holes Density?μ_p - Mobility of Holes?[Charge-e] - Charge of electron?[Charge-e] - Charge of electron?

Conductivity in Semiconductors Example

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Here is how the Conductivity in Semiconductors equation looks like with Values.

Here is how the Conductivity in Semiconductors equation looks like with Units.

Here is how the Conductivity in Semiconductors equation looks like.

0.8681 = (3E+10 \cdot 1.6E-19 \cdot 180) + (100000.345 \cdot 1.6E-19 \cdot 150)

0.8681S/m = (3E+10kg/cm³ \cdot 1.6E-19C \cdot 180m²/V*s) + (100000.345kg/cm³ \cdot 1.6E-19C \cdot 150m²/V*s)

0.8681 = (3E+10 \cdot 1.6E-19 \cdot 180) + (100000.345 \cdot 1.6E-19 \cdot 150)

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Conductivity in Semiconductors Solution

Follow our step by step solution on how to calculate Conductivity in Semiconductors?

FIRST Step Consider the formula

σ = (ρ e \cdot [Charge-e] \cdot μ n) + (ρ h \cdot [Charge-e] \cdot μ p)

Next Step Substitute values of Variables

∴

σ = (3E+10kg/cm³ \cdot [Charge-e] \cdot 180m²/V*s) + (100000.345kg/cm³ \cdot [Charge-e] \cdot 150m²/V*s)

Next Step Substitute values of Constants

∴

σ = (3E+10kg/cm³ \cdot 1.6E-19C \cdot 180m²/V*s) + (100000.345kg/cm³ \cdot 1.6E-19C \cdot 150m²/V*s)

Next Step Convert Units

∴

σ = (3E+16kg/m³ \cdot 1.6E-19C \cdot 180m²/V*s) + (1E+11kg/m³ \cdot 1.6E-19C \cdot 150m²/V*s)

Next Step Prepare to Evaluate

∴

σ = (3E+16 \cdot 1.6E-19 \cdot 180) + (1E+11 \cdot 1.6E-19 \cdot 150)

Next Step Evaluate

∴

σ = 0.868061695989221S/m

LAST Step Rounding Answer

∴

σ = 0.8681S/m

Conductivity in Semiconductors Formula Elements

Variables

Constants

Conductivity

Conductivity is the measure of the ease at which an electric charge or heat can pass through a material. It is the reciprocal of resistivity.

Symbol: σ

Measurement: Electric ConductivityUnit: S/m

Note: Value should be greater than 0.

Formulas to find Conductivity

Electron Density

Electron Density refers to the measure of how many electrons are present in a given amount of the material.

Symbol: ρ_e

Measurement: DensityUnit: kg/cm³

Note: Value should be greater than 0.

Formulas to find Electron Density

Mobility of Electron

Mobility of electron is defined as the magnitude of average drift velocity per unit electric field.

Symbol: μ_n

Measurement: MobilityUnit: m²/V*s

Note: Value should be greater than 0.

Formulas to find Mobility of Electron

Holes Density

Holes Density refers to the number of vacant energy states (known as "holes") that can exist in the valence band of a semiconductor material.

Symbol: ρ_h

Measurement: DensityUnit: kg/cm³

Note: Value should be greater than 0.

Formulas to find Holes Density

Mobility of Holes

Mobility of holes is the ability of an hole to move through a metal or semiconductor, in the presence of applied electric field.

Symbol: μ_p

Measurement: MobilityUnit: m²/V*s

Note: Value should be greater than 0.

Formulas to find Mobility of Holes

Charge of electron

Charge of electron is a fundamental physical constant, representing the electric charge carried by an electron, which is the elementary particle with a negative electric charge.

Symbol: [Charge-e]

Value: 1.60217662E-19 C

Charge of electron

Charge of electron is a fundamental physical constant, representing the electric charge carried by an electron, which is the elementary particle with a negative electric charge.

Symbol: [Charge-e]

Value: 1.60217662E-19 C

Other formulas in Semiconductor Characteristics category

Go Fermi Level of Intrinsic Semiconductors

E Fi = \frac{E c + E v}{2}

Go Mobility of Charge Carriers

μ = \frac{V d}{E I}

Go Electron Diffusion Length

L n = \sqrt{D n \cdot τ n}

Go Conductivity of Extrinsic Semiconductors for N-type

σ n = N d \cdot [Charge-e] \cdot μ n

How to Evaluate Conductivity in Semiconductors?

Conductivity in Semiconductors evaluator uses Conductivity = (Electron Density*[Charge-e]*Mobility of Electron)+(Holes Density*[Charge-e]*Mobility of Holes) to evaluate the Conductivity, The Conductivity in Semiconductors is defined as the sum of conductivity in n-type and p-type semiconductors. Conductivity is denoted by σ symbol.

How to evaluate Conductivity in Semiconductors using this online evaluator? To use this online evaluator for Conductivity in Semiconductors, enter Electron Density (ρ_e), Mobility of Electron (μ_n), Holes Density (ρ_h) & Mobility of Holes (μ_p) and hit the calculate button.

FAQs on Conductivity in Semiconductors

What is the formula to find Conductivity in Semiconductors?

The formula of Conductivity in Semiconductors is expressed as Conductivity = (Electron Density*[Charge-e]*Mobility of Electron)+(Holes Density*[Charge-e]*Mobility of Holes). Here is an example- 868059.3 = (3.01E+16*[Charge-e]*180)+(100000345000*[Charge-e]*150).

How to calculate Conductivity in Semiconductors?

With Electron Density (ρ_e), Mobility of Electron (μ_n), Holes Density (ρ_h) & Mobility of Holes (μ_p) we can find Conductivity in Semiconductors using the formula - Conductivity = (Electron Density*[Charge-e]*Mobility of Electron)+(Holes Density*[Charge-e]*Mobility of Holes). This formula also uses Charge of electron, Charge of electron constant(s).

Can the Conductivity in Semiconductors be negative?

No, the Conductivity in Semiconductors, measured in Electric Conductivity cannot be negative.

Which unit is used to measure Conductivity in Semiconductors?

Conductivity in Semiconductors is usually measured using the Siemens per Meter[S/m] for Electric Conductivity. Mho per Meter[S/m], Mho per Centimeter[S/m], Abmho per Meter[S/m] are the few other units in which Conductivity in Semiconductors can be measured.

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Conductivity in Semiconductors Formula

Conductivity in Semiconductors Example

Conductivity in Semiconductors Solution

Conductivity in Semiconductors Formula Elements

Other formulas in Semiconductor Characteristics category

How to Evaluate Conductivity in Semiconductors?

FAQs on Conductivity in Semiconductors

Variable Name