In 2020, Ranga Diaz of the University of Rochester and his team reported that combining carbon with hydrogen and sulfur can demonstrate superconductivity at room temperature and high pressure. However, the results were controversial due to the insufficient information provided in the paper and Díaz’s refusal to share the experimental data. In the end, it was revealed that the team used undisclosed methods to obtain some of the data, which led to the retraction of the article. Despite refutation, Diaz continued to argue for the existence of superconductivity.
However, Nature has published another paper by his group, this time on the chemical bonding of lutetium with nitrogen-doped hydrogen. The article claimed that this compound could be superconducting at room temperature, but at lower pressures. Given history, this claim has been met with more skepticism than before.
This was “confirmed” by scientists from Nanjing University, who did not achieve the “success” of the Diaz group.
Source: Ferra
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