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What kind of material is a transistor made from?
The class of materials that make up transistors is "semiconductor." A transistor is often made from very pure silicon that is doped with germanium or other dopant to change its electrical properties.
What is the amount of impurities in pure semiconductor to make it extrinsic semiconductor?
the impurity add here is 1 atom of per million atoms of semiconductor.......
What kind of wafers are used in Intel to make computer chips?
Silicon Ingot:A large, cylindrical, single crystal made from purified silicon. The cylinder is sliced into thin wafers which are used for making computer chips. Silicon Wafer:Intel uses wafers of pure silicon cut from a silicon ingot to make microprocessors. Silicon, the primary ingredient of beach sand, is a semiconductor of electricity. Semiconductors are materials that can be altered to be either a conductor or an insulator.
Write a note on intrinsic and extrinsic semiconductor?
Intrinsic semiconductor means pure form of semiconductor in this no addtition of impurity.but ext is not pure semicnductor,in this add the impurity which is p-type or n-type .Due to dopping,(adding impurity)excess electorn or photon created in crystal of atom creation of electron or photon depend on dopping material
What is the effect of temperature on an intrinsic semiconductor?
An intrinsic semiconductor is basically a pure semiconductor, though some might argue that a small amount of doping can still yield an intrinsic semiconductor. In the crystal structure of this material, there are very few electrons crossing the band gap into the conduction band, and this stuff doesn't want to conduct much current. But as temperature increases, more electron-hole pairs will appear as electrons jump that band gap and take up places in the conduction band. And if you guessed that increasing temperature will permit the intrinsic semiconductor to conduct current flow a bit better, you'd be right. The intrinsic semiconductor has a positive temperature coefficient. More heat, more conduction under the same conditions.
Is pure silicon an insulator?
Pure silicon is a semiconductor.
Is a silicon chip a pure element?
No, a silicon chip is not a pure element. A silicon chip is made up of silicon as well as other materials such as dopants and conductive metals to function as a semiconductor in electronic devices.
Is pure silicon a semiconductor?
A silicon chip is a structure created by people using machines. The structure consists of a base, made of silicon with a small amount of other elements added, so this part is a mixture. The chip also has wiring and transistors printed on it, thus making the entire chip a structure rather than a mixture or pure substance.
Are there any pure forms of semi conductors other than germanium and silicon?
gaAs is semiconductor
How Significant is the Role of Doping in Semiconductor's Conductivity?
Very. Doping determines the conductivity, pure silicon is a good insulator.
SiC is which group compound?
Pure Silicon Carbide(SiC) is AA intrinsic semiconductor material(Group IV).
Explain why arsenic-doped silicon conducts electric current better than pure silicon?
Pure silicon is intrinsic. It has a high resitivity which means it is a poor conductor of electricity in this state. The dopant that is introduced during the doping process can be arsenic, boron or phosphorous. These are the traditional choices to dope the intrinsically pure silicon. After the pure silicon becomes doped its electrical properties change. The main change is it has a lower resistivity and will conduct electricity. This is why silicon is called a semiconductor.
Why does silicon have to be very pure?
Silicon needs to be very pure in order to ensure that it has the necessary electronic properties for use in semiconductor devices. Impurities can disrupt the behavior of electrons in the material, affecting its conductivity and performance. High purity silicon is essential for the manufacturing of reliable and high-performance electronic components.
A semiconductor can be made by adding atoms of other elements to?
A semiconductor can be made by adding atoms of other elements to a pure semiconductor material, such as silicon or germanium. By selectively adding specific impurity atoms (dopants), the conductivity of the semiconductor material can be controlled, making it suitable for use in electronic devices like transistors and diodes.
What do you call a single element semiconductor material such as silicon and germanium?
Intrinsic semiconductivity
Why is the electrical conductivity of pure silicon very low?
The electrical conductivity of pure silicon is very low because it is a semiconductor with a full valence band and an energy gap between the valence and conduction bands. In its pure form, silicon does not have enough free electrons to conduct electricity effectively. doping silicon with other elements can increase its conductivity.
4. If a pure silicon crystal has 500000 holes inside it how many free electrons does it have?
In an intrinsic semiconductor like pure silicon, the number of free electrons is equal to the number of holes. Therefore, if there are 500,000 holes present, there will be 500,000 free electrons.
