# HKU team reports piezoelectric response in flexible diamond membranes

_Monday, August 31, 2026 at 12:13 AM EDT · Science, Infrastructure · Latest · Tier 2 — Notable_

![HKU team reports piezoelectric response in flexible diamond membranes — Primary](https://www.sciencedaily.com/images/1920/diamond-electricity-generation.webp)

University of Hong Kong researchers reported that ultrathin polycrystalline diamond membranes produced stable, repeatable voltage signals when flexed. The team said mechanical cycling was used to rule out environmental interference and triboelectric effects, while calculations pointed to asymmetry at grain boundaries as the source of charge polarization. The laboratory result could support sensing, micro-energy and implantable-device research, but the source describes potential applications rather than deployed products.

## Sources

- [All Top News -- ScienceDaily](https://www.sciencedaily.com/releases/2026/08/260829035223.htm)

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Retrieved: 2026-08-31T15:55:09.193Z
Publisher: Tech & Business (techandbusiness.org)