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The heat capacity of technetium has been measured in zero field between 3 and 15 K. A superconducting transition temperature Tc=7.86 K is found. The electronic heat-capacity coefficient and zero-degree Debye temperature are 4.30 mJ/mole K² and 454 K, respectively. An electron-phonon enhancement factor of 0.65 is found from the McMillan equation. The thermodynamic properties of the superconducting state also indicate that technetium is an intermediate-coupling superconductor.
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Trainor et al. (1975) studied this question.
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