Gold nanosprings formed by rolled-up technique

Wenting Zhao; Pintu Ghosh; Jinsheng Lu; Ziyao Chen; Qiang Li

doi:10.1117/12.2534052

17 May 2019 Gold nanosprings formed by rolled-up technique

Wenting Zhao, Pintu Ghosh, Jinsheng Lu, Ziyao Chen, Qiang Li

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 1117042 (2019) https://doi.org/10.1117/12.2534052
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

Abstract

Three-dimensional helical nanostructures have attracted a great deal of attention by the virtue of anomalous properties in mechanics, electricity, electromagnetism and optics due to their intriguing shapes. This paper mainly introduces the fabrication of novel gold nanosprings by using the rolled-up technique and studies their mechanical and piezoresistive properties. Cutting across 80 nm thick gold film deposited on silicon substrate with defective nanofiber probes, we fabricate nanosprings with variable size. Maximum elastic elongation and electromechanical resonance of one gold nanospring are measured. Furthermore, we survey its piezoresistive property. It can be inferred that low stiffness, large displacement and strong piezoresistive effect of gold nanospring make it an excellent candidate for potential application as micro electro-mechanical sensor.

Citation Download Citation

Wenting Zhao, Pintu Ghosh, Jinsheng Lu, Ziyao Chen, and Qiang Li "Gold nanosprings formed by rolled-up technique", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 1117042 (17 May 2019); https://doi.org/10.1117/12.2534052

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KEYWORDS

Gold

Nanostructures

Nanolithography

Nanofibers

Nanotechnology

Fabrication

Silicon

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