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PHASE-CHANGE MEMORY

Single-element glass to record data

Monatomic glassy antimony can now be achieved via melt-quenching in a nanoconfined volume in a device setting. In contrast to alloys currently used in phase-change memories, deviation from optimized composition is no longer an issue in this simple material.

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Fig. 1: Amorphous Sb in PCM device.

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Correspondence to Wei Zhang or Evan Ma.

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Zhang, W., Ma, E. Single-element glass to record data. Nature Mater 17, 654–655 (2018). https://doi.org/10.1038/s41563-018-0114-5

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