Superconductivity of Protactinium
Superconductivity of protactinium at 1.4°K was first reported l in 1965 by a group at Los Alamos Scientific Laboratory. The result had been expected because of protactinium’s relationship to superconducting neighbors in the periodic table. Workers at Harwell, however, have as recently as 1972 reported2 no evidence of superconductivity in protactinium down to a temperature of approximately 0.93°K. We believe that we have an explanation for this discrepancy.
KeywordsBarium Fluoride Beryllium Copper Kbar Pressure Potassium Alum Lawrence Livermore Laboratory
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- 2.M.J. Mortimer, Magnetic and Electronic Properties of Actinide Metals, AERE-R-7030, 1972.Google Scholar