Micro- and nanoelectromechanical systems have numerous applications in sensing and signal transduction. Many properties benefit from reducing the system size to the nanoscale, such as increased responsivity, enhanced tunability, lower power consumption, and higher spatial density. Two-dimensional (2D) materials represent the ultimate limit of thickness, offering unprecedented new capabilities due to their natural nanoscale dimensions, high stability, high mechanical strength, and easy electronic integration. Here, we review the primary design principles, properties, applications, opportunities, and challenges of 2D materials as the building blocks of NEMS (2D NEMS) with a focus on nanomechanical resonators. First, we review the techniques used to design, fabricate, and transduce the motion of 2D NEMS. Then, we describe the dynamic behavior of 2D NEMS including vibrational eigenmodes, frequency, nonlinear behavior, and dissipation. We highlight the crucial features of 2D NEMS that enhance or expand the functionalities found in conventional NEMS, such as high tunability and rich nonlinear dynamics. Next, we overview the demonstrated applications of 2D NEMS as sensors and actuators, comparing their performance metrics to those of commercial MEMS. Finally, we provide a perspective on the future directions of 2D NEMS, such as hybrid quantum systems, integration of active 2D layers into nanomechanical devices, and low-friction interfaces in micromachines.
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September 2023
Review Article|
July 19 2023
Nanoelectromechanical systems from two-dimensional materials
Paolo F. Ferrari
;
Paolo F. Ferrari
(Conceptualization, Investigation, Writing – original draft, Writing – review & editing)
1
Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign
, Urbana, Illinois 61801, USA
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SunPhil Kim
;
SunPhil Kim
(Conceptualization, Investigation, Writing – original draft, Writing – review & editing)
1
Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign
, Urbana, Illinois 61801, USA
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Arend M. van der Zande
Arend M. van der Zande
a)
(Conceptualization, Funding acquisition, Project administration, Supervision, Writing – original draft, Writing – review & editing)
1
Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign
, Urbana, Illinois 61801, USA
2
Materials Research Laboratory, University of Illinois at Urbana-Champaign
, Urbana, Illinois 61801, USA
a)Author to whom correspondence should be addressed: [email protected]
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a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Rev. 10, 031302 (2023)
Article history
Received:
June 29 2022
Accepted:
April 25 2023
Citation
Paolo F. Ferrari, SunPhil Kim, Arend M. van der Zande; Nanoelectromechanical systems from two-dimensional materials. Appl. Phys. Rev. 1 September 2023; 10 (3): 031302. https://doi.org/10.1063/5.0106731
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