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MEMS Sensors and Actuators 2022–2023
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MEMS Sensors and Actuators 2022–2023

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Nanosensors".

Deadline for manuscript submissions: closed (30 December 2023) | Viewed by 7294

Special Issue Editors

Dr. Mohannad Y. Elsayed

E-Mail Website
Guest Editor
MEMS-Vision International Inc., Montreal, QC, Canada
Interests: MEMS/NEMS devices; micro and nanofabrication; sensors; actuators; integrated electronics; CMOS-MEMS integration
Special Issues, Collections and Topics in MDPI journals
Dr. Mourad N. El-Gamal

E-Mail Website
Guest Editor
Electrical & Computer Engineering Department, McGill University, Montreal, QC, Canada
Interests: micro and nanoscale electro-mechanical systems; sensors; actuators; integrated electronics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The importance of micro/nanodevices is continuously increasing as they become more widespread in a broad variety of applications, ranging from handheld and wearable electronics to more demanding applications, such as robotics, medical, and space applications.

The aim of this Special Issue is to cover state-of-the-art progress in all aspects of MEMS/NEMS devices. Research articles, short letters, and review papers are encouraged. Contributions from both academia and industry are welcomed. Topics of interest include, but are not limited to, the following:

  • Inertial and tactile sensors;
  • Physical sensors;
  • Chemical sensors;
  • Micro/nano actuators;
  • Medical and implantable micro/nanosystems;
  • RF MEMS/NEMS, resonator, and oscillators;
  • Micro/nanofluidic systems;
  • Power MEMS;
  • Integrated photonics and optical MEMS;
  • Acoustic and ultrasonic microsystems;
  • Micro energy harvesters;
  • Micro robots;
  • Biomimetic and bioinspired micro/nanosystems;
  • Interfacing and readout electronics for micro/nano systems;
  • Novel materials and micro/nano fabrication processes;
  • New technologies for packaging and integration.

Dr. Mohannad Y. Elsayed
Dr. Mourad N. El-Gamal
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (2 papers)

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Research

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22 pages, 8428 KiB  
Article
Vortex-Induced Vibrations of an Elastic Micro-Beam with Gas Modeled by DSMC
by Kiril Shterev, Emil Manoach and Simona Doneva
Sensors 2023, 23(4), 1933; https://0-doi-org.brum.beds.ac.uk/10.3390/s23041933 - 09 Feb 2023
Viewed by 1244
Abstract
The fluid–structure interaction is one of the most important coupled problems in mechanics. The topic is crucial for many high-technology areas. This work considers the interaction between an elastic obstacle and rarefied gas flow, seeking specific problems that arise during this interaction. The [...] Read more.
The fluid–structure interaction is one of the most important coupled problems in mechanics. The topic is crucial for many high-technology areas. This work considers the interaction between an elastic obstacle and rarefied gas flow, seeking specific problems that arise during this interaction. The Direct Simulation Monte Carlo method was used to model the rarefied gas flow and the linear Euler–Bernoulli beam theory was used to describe the motion of the elastic obstacle. It turned out that the vibrations caused by the gas flow could provoke a resonance-like phenomenon when the frequency of vortex shedding of the flow was close to the natural frequency of the beam. This phenomenon could be useful in certain high-technology applications. Full article
(This article belongs to the Special Issue MEMS Sensors and Actuators 2022–2023)
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Review

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23 pages, 3078 KiB  
Review
Review of Zinc Oxide Piezoelectric Nanogenerators: Piezoelectric Properties, Composite Structures and Power Output
by Neelesh Bhadwal, Ridha Ben Mrad and Kamran Behdinan
Sensors 2023, 23(8), 3859; https://0-doi-org.brum.beds.ac.uk/10.3390/s23083859 - 10 Apr 2023
Cited by 14 | Viewed by 5146
Abstract
Lead-containing piezoelectric materials typically show the highest energy conversion efficiencies, but due to their toxicity they will be limited in future applications. In their bulk form, the piezoelectric properties of lead-free piezoelectric materials are significantly lower than lead-containing materials. However, the piezoelectric properties [...] Read more.
Lead-containing piezoelectric materials typically show the highest energy conversion efficiencies, but due to their toxicity they will be limited in future applications. In their bulk form, the piezoelectric properties of lead-free piezoelectric materials are significantly lower than lead-containing materials. However, the piezoelectric properties of lead-free piezoelectric materials at the nano scale can be significantly larger than the bulk scale. This review looks at the suitability of ZnO nanostructures as candidate lead-free piezoelectric materials for use in piezoelectric nanogenerators (PENGs) based on their piezoelectric properties. Of the papers reviewed, Neodymium-doped ZnO nanorods (NRs) have a comparable piezoelectric strain constant to bulk lead-based piezoelectric materials and hence are good candidates for PENGs. Piezoelectric energy harvesters typically have low power outputs and an improvement in their power density is needed. This review systematically reviews the different composite structures of ZnO PENGs to determine the effect of composite structure on power output. State-of-the-art techniques to increase the power output of PENGs are presented. Of the PENGs reviewed, the highest power output belonged to a vertically aligned ZnO nanowire (NWs) PENG (1-3 nanowire composite) with a power output of 45.87 μW/cm2 under finger tapping. Future directions of research and challenges are discussed. Full article
(This article belongs to the Special Issue MEMS Sensors and Actuators 2022–2023)
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