Solid-state physics: superconductivity

[Pages:12]Solid-state physics: superconductivity

Prof. Stephen Sekula (4/1/2010)

Supplementary Material for PHY 3305 (Modern Physics)

Harris, Ch. 10.9

table of contents

Review Semiconductors

Example: Transistor (nobel prize)

Superconductors

expelling magnetic fields

n-type extrinsic semiconductor (T>0)

N states per band

Conduction Band

Donor States

0.05 eV

N states per band

Valence Band

N states per band

P-type extrinsic semiconductor (T>0)

Conduction Band

N states per band

Acceptor States

Valence Band

0.05 eV

energy band picture

Transistor

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