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Revista Brasileira de Ensino de Física
Print version ISSN 1806-1117
REIF-ACHERMAN, Simón. Studies on the temperature dependence of electric conductivity for metals in the Nineteenth Century: a neglected chapter in the history of superconductivity. Rev. Bras. Ensino Fís. [online]. 2011, vol.33, n.4, pp.4602-4302. ISSN 1806-1117. http://dx.doi.org/10.1590/S1806-11172011000400020.
Two different lines of research had significant contributions to the discovery of superconductivity: the liquefaction of gases and the studies of the temperature dependence of the electrical conductivity, or resistance, of pure metals and alloys. Different publications have described and discussed the achievements in the first one of these subjects. The second subject had not received, however, the same attention. This article tries to fill this gap by presenting an account showing details of the evolution of the ideas, the first essentially experimental contributions to the subject and their corresponding responsible persons.
Keywords : superconductivity; electrical resistance; temperature; dependency relation; history; metals; alloys.