title: ÐÐ°ÐºÑÐ¾Ð¼Ð°ÑÑÑÐ°Ð±Ð½Ð°Ñ Ð¼Ð¾Ð´ÐµÐ»Ñ Ð½Ð°Ð½Ð¾ÑÐµÐ·Ð¾Ð½Ð°ÑÐ¾ÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Macroscale model of nanoresonator
Creators: name: Ð©ÐµÑÐ±Ð¸Ð½Ð°, ÐÐ°ÑÐ¸Ð»Ð¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: Ð ÐµÐ·Ð¾Ð½Ð°ÑÐ¾ÑÑ
ÐÑÐ°ÑÐµÐ½Ñ
Ð¼Ð°ÐºÑÐ¾Ð¼Ð°ÑÑÑÐ°Ð±Ð½Ð°Ñ Ð¼Ð¾Ð´ÐµÐ»Ñ
Ð´Ð°ÑÑÐ¸Ðº Ð¼Ð°ÑÑÑ
macroscale model
mass sensor

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description: Recently discovered new technologies and materials contribute to the development of fundamentally new nanoelectromechanical systems (NEMS), in particular, nanomechanical resonators (NMR). Their unique properties allow you to create ultra-sensitive measuring devices. One of the common uses of NMR is their use as mass detectors. Thin-layer resonators based on carbon nanostructures, in particular, graphene, are ideal for this application. The purpose of this work is to make a macroscale model of a single-layer graphene NMR as a mass sensor. The advantage of graphene NMR is its low mass, which makes it an extremely sensitive sensor in the mass detection. The main disadvantage is the low quality factor. To increase the accuracy, a method based on the determination of the resonant frequency of nonlinear oscillations is considered. In the course of the work, an accurate measurement of the breakdown resonant frequency from difference curves was proposed and implemented; it was shown that it is well suited for determining the added mass. The constructed macro-model of a nanoresonator allows working out various algorithms for measuring mass. The numerical and natural experiments performed on macro-model showed similarities in the nonlinear behavior with experiments with graphene resonators. It is simple and precisely adjusted, has the mode of an automatic resonant curve, the macromodel makes it easy to take the resonant and mass detector characteristics, it can also help to consider various resonator circuits and clarify the influence of their various parameters to give recommendations in the manufacture of a graphene mass detector to increase its accuracy and stability, gaining the ability to tune out and provide for the appearance of spurious resonances from supports or dips from higher proper forms.