Graphene-nanodiamond membranes for atomic-impact sensing: design and fluorescence readout limits
Johannes Fiedler, Sabrina D. Eder, Justas Zalieckas · 2026
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Description
Johannes Fiedler, Sabrina Eder, and Justas Zalieckas present a 2026 physics paper testing a sensor idea down to its physical limits. The design hangs a graphene sheet over a tiny hole and dots it with fluorescent nanodiamonds. An incoming atom's tap should wobble the sheet and flicker the fluorescence, betraying a single impact.
The authors model every link of that chain with generous, best-case numbers. A helium atom's hit moves the sheet by less than a trillionth of a meter. The matching flicker in brightness stays below one part in a million, lost in the noise of photon counting. Their verdict is firm: direct fluorescence readout cannot register single atomic impacts in this setup. The paper maps where better readouts must look instead.
Catalog record
| CREATOR | Johannes Fiedler, Sabrina D. Eder, Justas Zalieckas |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 33 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |