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

Oscilloscope probes, Direct probe,isolation probe,high impedence probe,acti...

Direct probe,isolation probe,high impedence probe,active probe,current probe

Principles of fire alarm systems, Principles of Fire Alarm Systems: Fi...

Principles of Fire Alarm Systems: Fire alarm systems usually perform two primary functions.   Firstly, they provide a means for warning people throughout the building that the

Multi-threading problem in operating system, multi-threading problem in ope...

multi-threading problem in operating system 9. With multi-threading, each thread has its own value for the program counter, its own register save area, and its own stack, but all t

Need help with a financial management quiz, Would you be able to assit me w...

Would you be able to assit me with a 40 question, multiple chioice quiz today ?

Wheatstone bridge, The resistance of the strain gauges is usually measured ...

The resistance of the strain gauges is usually measured with a Wheatstone bridge. All bridges have balancing circuits which can be apex or parallel. Both methods are equivalent.

External cooling -aircraft engine , External cooling Cooling of the ext...

External cooling Cooling of the external skin of an aero-engine is achieved by suitable design of the aircraft airframe; the layout will depend upon where the engine is fitted

Limiting travel distances - means of escape, Limiting travel distances - Me...

Limiting travel distances - Means of Escape: Some buildings, or parts of buildings, do not have alternative exits and do not have protected escape routes leading to a place of

Draw a block diagram of the control loop, A speed control system has an amp...

A speed control system has an amplifier-motor-control element capable of maintaining a speed of 4000 rpm at the output shaft with no external load and an input of 8 mV to the ampli

Local attraction, how can we find local attraction correction?

how can we find local attraction correction?

Balanced investment strategy, Balanced Investment Strategy Portfolio manage...

Balanced Investment Strategy Portfolio management strategy where all assets are owed with the aim of avoiding excessive risk by diversifying investment athwart different asset clas

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