Different semiconductor materials: germanium, Physics

Assignment Help:

 

(1)         Melting point : 9360C

(2)         Atomic number : 32

(3)         Energy gap : 0.6ev

(4)         It is a gray metallic looking material.

(5)         It is brittle and glass like in its mechanical properties.

(6)         It crystallizes in the diamond cubic lattice.

(7)         It has an intrinsic resistivity of 47 O-cm but may be doped with antimony or arsenic to give N-type resistivity of 0.01O-m or less and with boron, Gallium or Aluminium to give P-type resistivity of 0.001 O-m or less. It is usually prepared in high purity crystals from for electronics used by pulling from the melt either vertically or horizontally. To obtain intrinsic material, impurities of active elements must be in the range of 1part/billion or less. The active impurity such as Gallium, indium, arsenic, and antimony tend to diffuse rather slowly in germanium. The donors diffuse faster than the acceptors. It discovers use in close infrared detection and in X-ray detectors.

 


Related Discussions:- Different semiconductor materials: germanium

Electric, The P.D. at the feeder end of a two wire d.c. distributor is 600...

The P.D. at the feeder end of a two wire d.c. distributor is 600 volts. Two loads are connected to the distributor at distances of 600 feet and 1000 feet from the feeder end and t

PLz help, your dog is running around the grass in your back yard. He underg...

your dog is running around the grass in your back yard. He undergoes successive displacements 3.50 m south, 8.20 m northeast, and 15.0 m west. What is the resultant displacement. h

State zeroth law , When two objects A and B are in thermal equilibrium with...

When two objects A and B are in thermal equilibrium with a third object (C) independently, then they (i.e. A and B) are in thermal equilibrium equally i.e. Therefore, the t

Determine work output unit mass of air & thermal efficiency, Consider air (...

Consider air (ideal gas) as working substance inside a piston-cylinder device (closed system). This air undergoes a power cycle as shown in figure. Determine work output per unit m

Inelastic scattering (raman''s effect), Under particular condition, light c...

Under particular condition, light can also suffer inelastic scattering from molecules in which it's wavelength changes.

Scientific report, How to set out a scientific report and include a collect...

How to set out a scientific report and include a collection and analysis of data to support my claims/findings. I am making a model and videoing it, i am wondering how to do a scie

Lqws of motion, why newtons 2nd law is called the real law of motion?

why newtons 2nd law is called the real law of motion?

What are bare fibers, What are bare fibers? It used mostly with PMMA fi...

What are bare fibers? It used mostly with PMMA fibers and refers to the optics which have no external protection sheath.

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