Valence Band Mixing: What Is It & What Are References?

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SUMMARY

Valence band mixing refers to the phenomenon where the energy states of electrons in the valence band exist as a superposition of heavy hole, light hole, and split-off states, rather than being purely one type. This mixing occurs when different materials with varying valence band energy levels interact. Understanding this concept is crucial for analyzing electronic properties in semiconductor physics and materials science.

PREREQUISITES
  • Basic knowledge of semiconductor physics
  • Understanding of valence band and conduction band concepts
  • Familiarity with energy band theory
  • Knowledge of material properties and their electronic interactions
NEXT STEPS
  • Research the implications of valence band mixing in semiconductor devices
  • Explore the role of heavy hole, light hole, and split-off bands in material properties
  • Study the effects of material composition on valence band structures
  • Learn about experimental techniques to measure valence band mixing
USEFUL FOR

Materials scientists, semiconductor physicists, and engineers working on electronic devices will benefit from this discussion, particularly those focused on the electronic properties of materials.

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What does "valence band mixing" means?

Could you provide me some reference about it?
 
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To throw out a guess, I'd say that it's the mixing of different materials that have different valance band energy levels. But that's just a guess.
 
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valence band mixing refers to the situation that the energy states of electrons in the valence band is not purely heavy hole, light hole or split-off, but a possible superposition of those three.
 
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