How could change the energy band gap(E-K) using the strain?

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SUMMARY

The discussion centers on the impact of strain on the energy band gap in materials. Specifically, tensile strain leads to a decrease in the energy band gap, while compressive strain results in an increase. Participants seek clarification on the underlying mechanisms driving these changes. References to Raman strain measurement and energy band structure are provided for further exploration.

PREREQUISITES
  • Understanding of energy band structure in semiconductors
  • Knowledge of tensile and compressive strain effects
  • Familiarity with Raman spectroscopy techniques
  • Basic principles of solid-state physics
NEXT STEPS
  • Research the mechanisms of strain-induced changes in energy band gaps
  • Explore Raman spectroscopy for strain measurement in materials
  • Study the energy band structure of germanium and its applications
  • Investigate peer-reviewed articles on strain effects in semiconductor physics
USEFUL FOR

Materials scientists, semiconductor researchers, and physicists interested in the effects of mechanical strain on electronic properties of materials.

SungDae
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Hi! I'm sung dae

with tensile strain, energy band structure could be changed. bang gap decrease
with compressive strain, energy band structure could be changed. bang gap increase

but I'm not sure why it could be changed ..

Is there someone who explain in detail ?

thanks. have a nice day! :)
 
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SungDae said:
Hi! I'm sung dae

with tensile strain, energy band structure could be changed. bang gap decrease
with compressive strain, energy band structure could be changed. bang gap increase

but I'm not sure why it could be changed ..

Is there someone who explain in detail ?

thanks. have a nice day! :)

Do you have a reference for that? Please post a mainstream textbook or peer-reviewed journal article that addresses your claims. Thanks.
 

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