Compositional defects, Other Engineering

Assignment Help:

Q. Explain the compositional defects.

Ans. Compositional Defect: This defect due to

(a)    Alloying an element to original crystal.

(b)   Impuring atom during original crystallization.

These defects are responsible for functioning of most semiconductor devices.

A substitutional impurity defect is also a point defect in which a foreign atoms that substitutes for a parent atom in the crystal lattice e.g. in bras, zinc is a substitutional atom in the copper.

A interstitial impurity is a small sized atom occupying space between the regularity positioned atoms.


Related Discussions:- Compositional defects

TANGENT GALVANOMETER, WHY THE NEEDLE OF TANGENT GALVANOMETER DEFLECT WITH I...

WHY THE NEEDLE OF TANGENT GALVANOMETER DEFLECT WITH INCREASING OR DECREASING CURRENT?

Security Analysis & Portfolio management, ABC Ltd. has an investment opport...

ABC Ltd. has an investment opportunity available which will involve a capital outlay in each of the next 2 years and which will produce benefits during the following 3 years. A sum

Adders and subtractors, Adders & Subtractors Adder and Subtractor circui...

Adders & Subtractors Adder and Subtractor circuits are used to perform basic calculations in computer systems. Adders, as their name suggests, add binary digits. Since binary

Fire risk assessment process, Fire risk assessment process: This is th...

Fire risk assessment process: This is the main part of the FRA process.    Here we consider the risk, measure it against what we consider acceptable and, if we consider that t

Explain the omni-directional and the directional antennas, Question: a)...

Question: a) An antenna is an electrical conductor or system of conductors that sends and receives radio signals. Explain the omni-directional and the directional antennas.

Homework, What are the no-arbitrage lower bound, and the no-arbitrage upper...

What are the no-arbitrage lower bound, and the no-arbitrage upper bound, of the vertical spread C(k1) - C(k2) ?

Retaining wall design, #questionYour search - design a trapezoidal retainin...

#questionYour search - design a trapezoidal retaining wall(assume dimensions) ,bulk density 15kN per metre cube ,coefficient of friction of 0.7,angle of internal friction 15degres

Gravity die casting , Gravity Die Casting  In PERMANENT MOULD CASTING, ...

Gravity Die Casting  In PERMANENT MOULD CASTING, molten metal is poured under gravity into a metal mould where it remains until it solidifies. The mould is then opened and the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd