The device could lead to improved personal and mobile health-monitoring systems.

"Rapid developments in wearable electronics have led to an urgent demand for deformable electronic devices," the researchers said.

"Most deformable memory devices reported so far, however, are just flexible. These kinds of memory devices are not compatible with wearable applications that require complicated modes of mechanical deformations such as stretching," they said.

Future wearable systems that pursue mobile healthcare monitoring and data analysis based on high-performance bio-electronics should monolithically integrate various stretchable electronic components, such as sensors, amplifiers, and memory modules.

However, there have been limited studies for system-level demonstrations using high performance, stretchable, non-volatile memory and related electronic devices.

"The stretchable, high density, and ultra-thin memory array with the enhanced charge storage capability has great potential for various wearable electronics applications," they pointed out.

The findings appeared in the journal Science Advances.


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