Abstract
We fabricated suspended poly(methyl methacrylate) (PMMA) micro/nanobeams using a novel two-step development process. Young's moduli measured for the fabricated beams were found to decrease with additional electron-beam (EB) exposure. This means that we can locally control Young's modulus in PMMA structure using EB exposure and thus effectively design nanoelectromechanical systems using this organic material. The effect was more significant for smaller beams, suggesting that the modulus of the near-surface region is largely affected.
Original language | English |
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Pages (from-to) | L1225-L1227 |
Journal | Japanese Journal of Applied Physics, Part 2: Letters |
Volume | 46 |
Issue number | 45-49 |
DOIs | |
Publication status | Published - Dec 14 2007 |
Externally published | Yes |
Keywords
- EB exposure
- EB lithography
- Elastic modulus
- NEMS
- Nanomechanics
- Nanostructure
- PMMA
ASJC Scopus subject areas
- Engineering(all)
- Physics and Astronomy (miscellaneous)
- Physics and Astronomy(all)