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High pressure

Compressed hydrogen heats up

The finding of a new molecular phase in hydrogen under high pressure and moderate temperature adds to the complexity of its phase diagram.

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Figure 1: Schematic of the phase diagram for hydrogen at high pressures (200–300 GPa) and moderate temperatures (200–700 K), based on data from ref. 1.

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Correspondence to Wendy L. Mao.

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Mao, W. Compressed hydrogen heats up. Nature Mater 14, 466–468 (2015). https://doi.org/10.1038/nmat4245

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