Scientists Question Superconductivity Claim From Physicist Accused of Plagiarism

Several scientists and labs have raised doubts about Ranga Dias’s room-temperature superconductor

Updated Aug. 1, 2023 9:13 pm ET

Ranga Dias, a physicist at the University of Rochester, inside one of his laboratories on the university’s campus in Rochester, N.Y. Photo: Lauren Petracca for The Wall Street Journal

​​A physicist accused of fabricating data and plagiarizing portions of his Ph.D. thesis is facing doubts from his peers about his boldest claim: the discovery of a room-temperature superconductor.  

Ranga Dias, a physicist at the University of Rochester, stunned colleagues and made headlines in March with news published in the prestigious journal Nature that the rare-earth metal lutetium combined with nitrogen and hydrogen was a superconductor at a comfortable 70 degrees Fahrenheit.

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