Fermi Energies, Fermi Temperatures, and Fermi Velocities Element Fermi Energy eV Fermi Temperature x 10^4 K Fermi Velocity x 10^6 m/s Li 4.74 5.51 1.29 Na 3.24 3.77 1.07 K 2.12 2.46 0.86 Rb 1.85 2.15 0.81 Cs 1.59 1.84 0.75 Cu 7.00 8.16 1.57 Ag 5.49 6.38 1.39 Au 5.53 6.42 1.40 Be 14.3 16.6 2.25 Mg 7.08 8.23 1.58 Ca 4.69 5.44 1.28 Sr 3.93 4.57 1.18 Ba 3.64 4.23 1.13 Nb 5.32 6.18 1.37 Fe 11.1 13.0 1.98 Mn 10.9 12.7 1.96 Zn 9.47 11.0 1.83 Cd 7.47 8.68 1.62 Hg 7.13 8.29 1.58 Al 11.7 13.6 2.03 Ga 10.4 12.1 1.92 In 8.63 10.0 1.74 Tl 8.15 9.46 1.69 Sn 10.2 11.8 1.90 Pb 9.47 11.0 1.83 Bi 9.90 11.5 1.87 Sb 10.9 12.7 1.96 Numerical data from N. W. Ashcroft and N. D. Mermin, Band Theory of Solids

Index Fermi Energy Tables: Condensed Matter Tables: General

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Free Electron Number Densities Element N/V x10^28/m^3 Cu 8.47 Ag 5.86 Au 5.90 Be 24.7 Mg 8.61 Ca 4.61 Sr 3.55 Ba 3.15 Nb 5.56 Fe 17.0 Mn* 16.5 Zn 13.2 Cd 9.27 Hg** 8.65 Al 18.1 Ga 15.4 In 11.5 Sn 14.8 Pb 13.2 *alpha form **at 78K Numerical data from N. W. Ashcroft and N. D. Mermin, Microscopic electrical properties	Index Fermi Energy Tables: Condensed Matter Tables: General
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