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Wafers are formed of highly pure defect-free single crystalline material. Donor impurity atoms, can be added to the molten intrinsic material changing it into n-type or p-type extrinsic semiconductor.
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Can IInd group elements be used with silicon to make P- type semiconductor?
germanium
What is the substrate of isomerase?
the substrate in isomerase is protein, the myth that is fructose is absolutely a lie. BUT WAIT? have you noticed that 'iso' is a type of triangle TRIANGLE?? ILLUMINATI the substrate is illuminati
What is common trip breaker?
silicon type
Why p-substrate is used in monolithic IC not p-substrate?
entire circuit is built into a single piece of semiconductor (chip); physical properties of semiconductor to large degree determine performance of the circuit; the most common integrated circuits such as microprocessors, memories, etc., are all monolithic.
With neat diagram explain the steps involved in the p-well process of CMOS fabrication?
the starting material is either p+ or n+ substrate with a lightly doped epitaxial layer.
What are the examples of p-type semiconductors?
Examples of p-type semiconductors are silicon doped with gallium and silicon doped with boron. P-type semiconductor refers to positive type doping of semiconductor.
How are diodes produced?
In the simplest method, you can start with a doped semiconductor substrate, such as p-type Silicon. You can then grow a native oxide layer (SiO2) on top of the substrate. Then, you can use photolithography (with photoresist and masks) to create a window in the oxide. The substrate is then placed into a high-temperature furnace where a dopant, in this case n-type such as P, is flowed past the substrate. The P is in some gas phase and may be bonded to other atoms, but a reaction occurs causing the P to enter the Semiconductor and diffuse into the semiconductor. This creates a p-n junction. Contacts can then be placed on the appropriate materials. Of course, this is a very basic description that you will find in any textbook. In modern day diodes, there is a lot more technology and device structures that improve the performance dramatically.
Why silicon is the more semiconductor than germanium?
Silicon is more semiconductor than Germanium because the characteristics of silicon can be easily modified to obtain either a p-type or n-type material.
Why silicon crystal are suitable for making a diode and have a junction of P-type and N-type material?
you can find silicon and germanium materials has 4 valence electrons. This makes them to be useful to make p type and n type materials easily.They are very cheap compare to others.
Can IInd group elements be used with silicon to make P- type semiconductor?
germanium
How is n-type and p-type formed?
When in intrinsic semiconductor (pure silicon) addition of small amount of impurity of group V elements (arsenic, antimony, phosphorous) makes N-type semiconductor. V group elements provides one extra electron to silicon atom. so this makes negative charge and majority of electrons. so its called N-type.. And in P-type when in pure silicon addition of small amount of impurity of group III elements (boron, aluminum) makes the P-type. by adding IIIrd group elements they they accepts the electrons from the silicon atom since its trivalent elements so there will be vacancy of 1 electron in silicon lattice resulting the formation of "hole". This makes semiconductor positive charged semiconductor called P-type.
Why silicon is used in zener diode?
silicon is used in (almost) every electronic device. silicon has four valence electrons. Molecules tend to want four valence electrons, so elements with three valence electrons (P-type material) want to steal one from other elements, and elements with five valence electrons (N-type material) want to give one away. P-type and N-type materials are mixed in electronic circuits to create transistors, diodes, etc. Silicon is used as an unbiased foundation for layering these N-type and P-type materials to create circuits.
What element is often used as semiconductors for computer?
Semiconductors are 90% of the time made of Silicon, enhanced into P-Type or N-Type depending on needed polarities. P = Positive, N = Negative, Boron gas has excess negative electrons and is used in doping to create N-Type Silicon.
What are the differences in the properties between the silicon substrate and the oxide layer?
Silicon Substrate Silicon substrates are mainly used for power semiconductors in automotive, electronics and HF front-end pa. silicon that can be fused with other materials, such as thermal oxide and or silicon nitrite. Oxide Layer An oxide layer is a thin layer or coating of an oxide, such as iron oxide. Such a coating may be protective, decorative or functional. It is a passivizing layer on the surface of the metal, preventing further corrosion.
Why is always p-substrate is used in fabrication of FET?
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Is silicon a extrinsic or intrinsic semiconductor?
silicon is intrinsic semiconductor until we add some impurities in it. the impurities are either of group 3 called acceptors which make p type or of group 5 called donors which make n type semiconductor.
What is pn junction diode?
It's a rectifier diode made simply by combining P type and N type silicon. Where the two are joined, forms a junction that allows conduction in one direction only. A pn junction diode is a diode obtained by by dopping a silicon crystal through the process of covalent bond.
