Superconductor technologies have yet to fulfill their early promise, in part because their potential benefits, such as zero electrical resistance, are often offset by the need to keep the materials cold. Manganese (Mn)-based compounds could theoretically deliver high-temperature superconductivity, but it is generally believed that prohibitively large pressuresrnwould be required. Jack Simonson et al. (pp. 10751-10752) challenge these convictions and find that only modest pressures may be needed to transform LaMnPO into a potential superconductor. The researchers used high-pressure X-ray diffraction to track structural changes within LaMnPO as the atoms jostled into new positions under increasing pressure.
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