Boron Isotope Effect in Superconducting Zirconium Dodecaboride

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Science  15 Mar 1968:
Vol. 159, Issue 3820, pp. 1227-1228
DOI: 10.1126/science.159.3820.1227


The boron isotope effect in ZrB12 has been determined to be Tc ∞ Mα, where α is equal to - 0.09 ± 0.05, M is the boron mass, and Tc is the supercondiucting transition temperature.

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