Understanding the Effect of Electron Irradiation on WS2 Nanotube Devices to Improve Prototyping Routines
Martin Kovařík, Daniel Citterberg, Estácio Paiva de Araújo, Tomáš Šikola, Miroslav Kolíbal · 2024
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Description
Martin Kovařík and co-authors studied how electron beam exposure changes nanotube devices in two thousand twenty-four. Making nanoscale devices often involves electron beams, and a standard transistor setup is used to measure new materials. The team watched tungsten disulfide nanotubes while the beam hit them inside a microscope.
Exposure changed each nanotube's resistance by a factor of two to fourteen, and the change did not reverse over hours to days. Surface potential scans pointed to charging of the supporting oxide as the main cause, not damage to the tube itself. The authors warn that care is needed when measuring nanostructures on insulating oxides that face electron exposure during or after fabrication.
Catalog record
| CREATOR | Martin Kovařík, Daniel Citterberg, Estácio Paiva de Araújo, Tomáš Šikola, Miroslav Kolíbal |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 28 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |