A review on nanomechanical resonators and their applications in sensors and molecular transportation

Arash, Behrouz; Jiang, Jin-Wu; Rabczuk, Timon

doi:10.1063/1.4916728

Cited by 114 publications

(68 citation statements)

References 212 publications

(321 reference statements)

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“…These simulations enable comparable investigations of dynamics of nano materials to experiments, and introduce detailed information on interatomic interactions of nano materials and molecular complexes [3].…”

Section: Introductionmentioning

confidence: 99%

A nonlocal beam model for out-of-plane static analysis of circular nanobeams

Tüfekçi

Aya

2016

Mechanics Research Communications

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Section: Introductionmentioning

confidence: 99%

A nonlocal beam model for out-of-plane static analysis of circular nanobeams

Tüfekçi

Aya

2016

Mechanics Research Communications

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“…Micro-and nano-resonators have numerous important applications including navigation, sensing, chemical detection, molecular separation, and biological imaging [1]. The performance of resonators is typically measured by the quality factor, Q, which gives the ratio of the energy stored to the energy dissipated per cycle in the resonator during operation [2].…”

Section: Introductionmentioning

confidence: 99%

Intrinsic dissipation mechanisms in metallic glass resonators

Meng

Nawano

Schroers

et al. 2019

The Journal of Chemical Physics

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Micro-and nano-resonators have important applications including sensing, navigation, and biochemical detection. Their performance is quantified using the quality factor Q, which gives the ratio of the energy stored to the energy dissipated per cycle. Metallic glasses are a promising materials class for micro-and nano-scale resonators since they are amorphous and can be fabricated precisely into complex shapes on these lengthscales. To understand the intrinsic dissipation mechanisms that ultimately limit large Q-values in metallic glasses, we perform molecular dynamics simulations to model metallic glass resonators subjected to bending vibrations. We calculate the vibrational density of states, redistribution of energy from the fundamental mode of vibration, and Q versus the kinetic energy per atom K of the excitation. In the linear and nonlinear response regimes where there are no atomic rearrangements, we find that Q → ∞ (since we do not consider coupling to the environment). We identify a characteristic Kr above which atomic rearrangements occur, and there is significant energy leakage from the fundamental mode to higher frequencies, causing finite Q. Thus, Kr is a critical parameter determining resonator performance. We show that Kr decreases as a power-law, Kr ∼ N −k , with increasing system size N , where k ≈ 1.3. We estimate the critical strain γr ∼ 10 −8 for micron-sized resonators below which atomic rearrangements do not occur, and thus large Q-values can be obtained when they are operated below γr. We find that Kr for amorphous resonators is comparable to that for resonators with crystalline order. arXiv:1907.00052v1 [cond-mat.mtrl-sci] 28 Jun 2019 AB = 1.5, σ AA = 1.0, σ BB = 0.88, and σ AB = 0.8. All atoms have the same mass m. The energy, length, and pressure scales are given in terms of AA , σ AA , and AA /σ 3 AA , respectively.

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“…MEMS pressure sensors are used in the development of capacitive touch sensing applications for touchscreens. c) NEMS The ultra-high-frequency nano-resonators can be used in ultra-high sensitive sensing, molecular transportation, molecular separation, high-frequency signal processing, and biological imaging [14]. NEMS-based sensors are popular in medical diagnostic applications [62].…”

Section: Technologymentioning

confidence: 99%

TSensors Vision, Infrastructure and Security Challenges in Trillion Sensor Era

2017

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With the advancement of ubiquitous computing under the hood of Internet of Things (IoT) and Cyber-Physical Systems (CPS), the number of connected devices is expected to grow exponentially in the following decade. Pervasive sensing is the backbone of any IoT/CPS application. Billions of connected devices each having multiple sensors will lead us to the age of trillion sensors. Widespread use of sensors in critical applications (e.g., smart grid, agricultural industry, food production, etc.) will present us with unique challenges. Identifying the threats well before they occur will be the key in the race against the threats posed by the adversaries in the age of trillion sensors (TSensors). In this paper, we present a detailed survey of the trends toward trillion sensors, and their applicability in recent connected applications. We identify several key areas, that need to be addressed to build a secure connected environment. There are several challenges and limitations as well which are expected to rise in the coming decade. We must be proactive in addressing those challenges to make a safe and secure environment.

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A review on nanomechanical resonators and their applications in sensors and molecular transportation

Cited by 114 publications

References 212 publications

A nonlocal beam model for out-of-plane static analysis of circular nanobeams

A nonlocal beam model for out-of-plane static analysis of circular nanobeams

Intrinsic dissipation mechanisms in metallic glass resonators

TSensors Vision, Infrastructure and Security Challenges in Trillion Sensor Era

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