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Semiconductor Bandstructure.pdf

bk7ch03.pdf

🔗 Source: eecs.umich.edu

📊 Size: 131 KB

📄 Pages: 18 pages

⬇️ Downloads: 111

Summary

Semiconductors have valence and conduction bands, with most applications focusing on the top of the valence band and the bottom of the conduction band. The bandstructure is described by the k-vector in the Brillouin zone, with important points including Γ, X, and L. The behavior of electrons near the bandedges determines device properties, and can be described by simple effective mass pictures. The effective mass description includes equations for the conduction band, split-off band, heavy hole, and light hole bands. The bandgap and effective mass are related, with smaller bandgaps corresponding to smaller effective masses. Various semiconductors have different bandgaps and effective masses, including direct and indirect bandgap materials.

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Description

Semiconductors have valence and conduction bands, with most applications focusing on the top of the valence band and the bottom of the conduction band.

Technical Information

File Format: PDF
File Size: 131 KB
Pages: 18
Language: EN
Total Downloads: 111
Last Updated: 7 hours ago

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