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Home Research Nanofabrication

Nanowire-Based Very-High-Frequency Electromechanical Resonator

Research Area: Nanofabrication Year: 2003
Type of Publication: Article Keywords: platinum, nanowires, nanotechnology, micromechanical resonators
Authors: Ali Husain; J. Hone; H. W. C. Postma; X. M. H. Huang; T. Drake; Mladen Barbic; Axel Scherer; M. L. Roukes
Journal: Applied Physics Letters Volume: 83
Number: 6 Pages: 1240-1242
Month: August
Fabrication and readout of devices with progressively smaller size, ultimately down to the molecular scale, is critical for the development of very-high-frequency nanoelectromechanical systems (NEMS). Nanomaterials, such as carbon nanotubes or nanowires, offer immense prospects as active elements for these applications. We report the fabrication and measurement of a platinum nanowire resonator, 43 nm in diameter and 1.3 µm in length. This device, among the smallest NEMS reported, has a fundamental vibration frequency of 105.3 MHz, with a quality factor of 8500 at 4 K. Its resonant motion is transduced by a technique that is well suited to ultrasmall mechanical structures.
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