Superconducting and Normal State Properties of Heavily Hole-Doped Diamond
V. A. Sidorov, E. A. Ekimov, S. M. Stishov, E. D. Bauer, J. D. Thompson
Abstract
We report measurements of the specific heat, Hall effect, upper critical field and resistivity on bulk, B-doped diamond prepared by reacting amorphous B and graphite under high-pressure/high-temperature conditions. These experiments establish unambiguous evidence for bulk superconductivity and provide a consistent set of materials parameters that favor a conventional, weak coupling electron-phonon interpretation of the superconducting mechanism at high hole doping.
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