A new criterion for the metallicity of elements

Rao, C. N. R. ; Ganguly, P. (1986) A new criterion for the metallicity of elements Solid State Communications, 57 (1). pp. 5-6. ISSN 0038-1098

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0038-1098(86)90659-9


A vast majority of elements are metallic in the liquid state. The latent heat of vapourization, ΔHv, of such elements is greater than the critical value of ~42 kJ mol−1 (0.44 eV mol) which demarcates metals from non-metals. It is shown that ΔHv can be related to the Fermi energy as well as to the Herzfeld criterion involving atomic polarizability.

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