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The Red Brick Wall of Traditional Semiconductor Electronics The ...

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SiGe Valley Splitting: Conduction Band<br />

Strained SiGe on Si<br />

[001]<br />

[100]<br />

[010]<br />

[001]<br />

Unstrained Si<br />

6-fold<br />

degenerated<br />

[010]<br />

[100]<br />

Strained Si on<br />

relaxed SiGe<br />

[001]<br />

Intervalley scattering can be reduced<br />

Increase in carrier mobility<br />

[010]<br />

[100]

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