Tailoring the interface of hybrid microresonators in viscid fluids enhances their quality factor by two orders of magnitude

Lab on a Chip
Egbert OesterschulzeJenny Kehrbusch

Abstract

The application of microresonators in fluids is predominantly constrained by the strong damping caused by the viscid drag and the additional inertia of the liquid in the interfacial layer. In this paper we propose the new concept of partial wetting that exploits another property of liquids, its surface energy, to adapt physically the interface of the microresonator to the liquid by the formation of a meniscus. First experiments performed with technically simple batch-fabricated prototypes validate the potential of partial wetting as a vital route to improve the quality factor of microresonators in viscid fluids to values up to 600 exceeding those of conventional microresonators by almost two orders of magnitude.

References

Apr 13, 2006·Nano Letters·Y T YangM L Roukes
Feb 24, 2007·Biosensors & Bioelectronics·Angelica P DavilaRashid Bashir
Apr 27, 2007·Nature·Thomas P BurgScott R Manalis
Dec 5, 2008·Nano Letters·Hsin-Ying ChiuMarc Bockrath

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Citations

Jul 20, 2012·Nanoscale·Montserrat CallejaJavier Tamayo
Nov 16, 2012·Chemical Society Reviews·Javier TamayoMontserrat Calleja
Jul 25, 2018·ACS Sensors·Menglun ZhangXuexin Duan

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