Impact of crystal defects on band diagram.?

[Musa]

I was studying about Crystal defects in crystals and came to know that it has huge effect on band diagram.I don't know about their specific impact on band diagram.So what are major impacts of crystal defects on band diagram.?

 

[Useful nucleus]

For example, in a semiconductor, if there is a dilute concentration of defects, they would induce isolated defect electronic states in the gap of the semiconductors. If the concentration of the defects increases they may create a whole new band.

 

[Musa]

For example, in a semiconductor, if there is a dilute concentration of defects, they would induce isolated defect electronic states in the gap of the semiconductors. If the concentration of the defects increases they may create a whole new band.

Can you please give me a link so that i further learn about it.

 

[Useful nucleus]

This is typically covered in introductory solid state / semiconductor physics books such as Kittel. I'm unaware of a good online resources, but just a quick google search gave me:
https://www.ifm.liu.se/materialphys...ning-1/semiconductor-physics/SP-Le4.5-pdf.pdf

If you are into computational condensed matter, then this recent review is great:

https://www.researchgate.net/profile/Anderson_Janotti/publication/262982280_First-principles_calculations_for_point_defects_in_solids/links/5605353d08ae8e08c08afbe6.pdf