Author(s): Marco Cherubini, Abhishek Raghav, and Michele Casula ${\mathrm{H}}_{3}\mathrm{S}$ sulfur hydride has been widely investigated for its high superconducting critical temperature ${T}_{c}$ of 203 K at about ${p}_{c}=155\text{ }\text{ }\mathrm{GPa}$. Despite being the precursor of superconducting hydrides, a detailed picture of its structural phase diagra… [Phys. Rev. Lett. 137, 046102] Published Tue Jul 21, 2026