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Mobility in a semiconductor refers to the ability of charge carriers (electrons and holes) to move through the material in response to an electric field. It is a key parameter that affects the conductivity and performance of semiconductor devices. Higher mobility indicates that carriers can travel faster, leading to improved device efficiency and speed. Mobility is influenced by factors such as temperature, material purity, and the presence of defects.
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How do you Define the mobilty of charge carrier?
I am assuming the charge carries are electron and hole in an semiconductor. the mobility of charge carriers can be understood as the easy with which the carrier can move in a semiconductor. the mobility depends on many factors like the semiconductor material (because of the crystal structure), semiconductor specimen temperature, the effective mass of carrier, the applied electric field across the specimen. in general if we compare the mobility of electron with hole in a silicon semiconductor, the mobility values at room temperature is some thing around 1350 cm^2 per volt sec and 450 cm^2 per volt sec for electron and holes. that is mobility of electron is 2-3 time more than the holes in silicon.
When was ON Semiconductor created?
ON Semiconductor was created in 1999.
What does recombination in semiconductor mean?
combination of two semiconductor
When was Vitesse Semiconductor created?
Vitesse Semiconductor was created in 1984.
Is carbon is semiconductor?
Nothing has been found about the electrical conductivity of carbon compared to other conductors. It is not a semiconductor.
Which has greater mobility in intrinsic semiconductor Electrons or holes?
The mobility of electrons is always greater than holes. Only the number of electrons and holes would be same in an intrinsic semiconductor.
Mobility in terms of hall effects?
Mobility means how quickly an electron can move through a metal or semiconductor when an electric field is applied.
How do you Define the mobilty of charge carrier?
I am assuming the charge carries are electron and hole in an semiconductor. the mobility of charge carriers can be understood as the easy with which the carrier can move in a semiconductor. the mobility depends on many factors like the semiconductor material (because of the crystal structure), semiconductor specimen temperature, the effective mass of carrier, the applied electric field across the specimen. in general if we compare the mobility of electron with hole in a silicon semiconductor, the mobility values at room temperature is some thing around 1350 cm^2 per volt sec and 450 cm^2 per volt sec for electron and holes. that is mobility of electron is 2-3 time more than the holes in silicon.
What has the author Sheng S Li written?
Sheng S. Li has written: 'Semiconductor physical electronics' -- subject(s): Semiconductors, Solid state physics 'The dopant density and temperature dependence of electron mobility and resistivity in n-type silicon' -- subject(s): Electric properties, Electric resistance, Electron mobility, Semiconductor doping, Silicon
What is the significance of delta-doped structures in semiconductor devices?
Delta-doped structures in semiconductor devices are significant because they allow for precise control of the doping concentration at the interface between different semiconductor materials. This enables improved performance and efficiency in devices such as transistors and diodes by reducing scattering and enhancing carrier mobility.
When the temperature of the room increased then the energy of semiconductor?
When the temperature of the room increases, the energy of a semiconductor also increases because more electrons are excited to higher energy levels. This can increase the conductivity of the semiconductor due to increased electron mobility. However, at very high temperatures, the semiconductor may experience thermal runaway and exhibit decreased performance due to excessive generation of electron-hole pairs.
What is the significance of the silicon effective mass in the context of semiconductor physics?
The silicon effective mass is important in semiconductor physics because it helps determine how electrons move through the material. It affects the mobility of electrons, which is crucial for the performance of semiconductor devices like transistors. A lower effective mass means electrons can move more easily, leading to better device performance.
What is the difference between heavy hole and light hole in semiconductor physics?
In semiconductor physics, heavy holes and light holes are types of charge carriers with different effective masses. Heavy holes have a larger effective mass and move more slowly than light holes in a semiconductor material. This difference in mobility affects the electronic properties of the material, such as conductivity and energy levels.
Electron mobility of intrinsic Si semi conductor?
The electron mobility of intrinsic silicon semiconductor is typically around 1500 cm^2/Vs at room temperature. This value represents the ability of electrons to move through the material in response to an electric field, with higher mobility indicating faster electron movement. It is an important parameter in determining the performance of silicon-based devices such as transistors.
Why silicon is preferred over carbon in fabrication of semiconductor?
Silicon is preferred over carbon for semiconductor fabrication because it is abundant, easily obtained in high purity, and has well-established processing techniques. Silicon also has a higher mobility for charge carriers, making it more efficient for electronic applications compared to carbon. Additionally, silicon dioxide forms a stable insulating layer with silicon, enabling the creation of reliable semiconductor devices.
What are the properties and characteristics of light holes in semiconductor materials?
Light holes in semiconductor materials are a type of charge carrier with lower effective mass and energy compared to heavy holes. They have a higher mobility and can contribute to the electrical conductivity of the material. Light holes are important in the band structure of semiconductors and play a role in optical and electronic properties.
What is a semiconductor slice?
A semiconductor slice is used to make integrated circuits or ICs. It is also known as a semiconductor wafer or a semiconductor substrate.
