PPT Slide

CHEN435/PHGN435: Interdisciplinary Silicon Processing Laboratory

Group IV: Semiconductors

Si: Atomic # = 14

1s

2s

2p

3p

3d

Splitting between s and p orbitals

• C: 5.5 eV

• Si: 1.12 eV

• Ge: 0.7 eV

Compound Semiconductors

• III-V GaAs, GaN

• II-VI ZnSe, CdTe

• Trying to be Group IV

Any elemental insulators?

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