https://arxiv.org/abs/1608.01774
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Superconductivity in palladium hydride and deuteride at 52-61 kelvin
H. M. Syed, T. J. Gould, C. J. Webb, E. MacA. Gray
We report the observation of conventional superconductivity at the highest temperature yet attained without mechanical compression, around 54 kelvin in palladium-hydride and 60 kelvin in palladium-deuteride. The remarkable increase in Tc compared to the previously known value was achieved by rapidly cooling the hydride and deuteride after loading with hydrogen or deuterium at elevated temperature. Our results encourage hope that conventional superconductivity under ambient conditions will be discovered in materials with very high hydrogen density, as predicted more than a decade ago
It remind me the work of Paolo Tripodi.