Nanostrukturierung

Fahrner, W. R.; Hilleringmann, Ulrich; Scheer, Hella-Christin; Wieck, A. D.

doi:10.1007/978-3-662-48908-6_7

Cited by 1 publication

(2 citation statements)

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“…While piezoelectric microswitches are widely integrated into electronic devices, the incessant pursuit of reducing device size in line with Moore's law [89] poses limitations to their practical application in the future. To address this, a transition from microscale to nanoscale is necessary, ensuring compatibility with nanotechnology and nanoelectronics applications [20,21] piezoelectric nanoswitches, which integrate electrical and mechanical properties on the nanoscale, collectively termed NEMS, a category encompassing nanotechnologies [21,90,91]. However, NEMS devices are still in the research and development phase, necessitating a thorough exploration of electricalmechanical interactions within NEMS arrays and their switching times [22,23].…”

Section: Piezoelectric Nanoswitch Applicationsmentioning

confidence: 99%

“…The rise of nano-robots and their diverse applications [16][17][18], along with the utilization of nanotechnology in radars, sensors, and cameras [19], has created a demand for downsizing piezoelectric switches from the microscale to the nanoscale [20,21]. Achieving this goal requires transitioning from micro-electro-mechanical systems (MEMS) to nanoelectro-mechanical systems (NEMS) for the design of piezoelectric nanoswitches.…”

Section: Introductionmentioning

confidence: 99%

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Nano-electro-mechanical conduct of boron nitride nanotube as piezoelectric nanogenerators and nanoswitches

Ertekin

2024

Smart Mater. Struct.

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This study investigates various aspects related to the Internet of Things (IoT) and piezoelectric nanoswitches applications, including the frequency band and set-up of piezoelectric nanogenerators, the electrical-mechanical interactions of nanoswitch arrays and their switching times. To address these issues, the molecular dynamics simulations conducted to investigate the performance of a boron nitride nanotube (BNNT) in piezoelectric nanogenerator and nanoswitch applications. For the piezoelectric nanogenerator, BNNT with a diameter-to-length ratio of 0.09 and subjected to 1% compressing exhibited a bistable configuration with a snap-through activation energy of 0.8 meV and a resonance frequency of 48 GHz. These resonance conditions can be achieved by millimeter-wave frequencies under the U-band (40–60 GHz), resulting in axial polarization of 4 mC.m−2 and axial voltage of 13.4 volts. These results demonstrate the potential of BNNT as a broadband and non-linear piezoelectric nanogenerator. For piezoelectric nanoswitches applications, the BNNT zigzag type with a diameter-to-length ratio of 0.32 and subjected to 2.5% compressing displayed 0.017 C.m−2 axial polarization, 22 V axial voltage, and a rapid switching time of approximately 2.0 ns.

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