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Element

Superconducting Energy Gap

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Aluminum

 3.4×10-4 eV 

Cadmium

 1.5×10-4 eV 

Gallium

 3.3×10-4 eV 

Indium

10.5×10-4 eV 

Lanthanum

β-lanthanum

19×10-4 eV   

Lead

27.3×10-4 eV 

Mercury

α-mercury

16.5×10-4 eV 

Molybdenum

 2.7×10-4 eV 

Niobium

30.5×10-4 eV 

Tantalum

14×10-4 eV   

Thallium

 7.35×10-4 eV

Tin

white tin

11.5×10-4 eV 

Vanadium

16×10-4 eV   

Zinc

 2.4×10-4 eV 

Reference    (Click the button next to a value above to see complete citation information for that entry)

Kittel, Charles. Introduction to Solid State Physics, 5th edition. New York: John Wiley & Sons, Inc, 1976.

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