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Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

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Published on: April 25, 2020

Magnetically Actuated Tunable Soft Electronics.

Mahdi Ilami¹, Reza J Ahmed¹, Dakota Edwards¹

¹School for Engineering of Matter, Transport and Energy and School of Electrical, Computer and Energy Engineering, The Arizona State University, Tempe, Arizona 85281, United States.

|December 24, 2019

Summary

This summary is machine-generated.

This study introduces a novel method for remotely tuning electronic components using magnetically actuated ferrofluid in soft channels. This technique allows for precise adjustments to inductance, capacitance, and resistance, crucial for advanced electronic applications.

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Area of Science:

Soft Electronics
Materials Science
Electrical Engineering

Background:

Variable electronic components are essential for tunable filters, transmitters, and receivers.
Remote tuning capabilities are critical for inaccessible electronic devices.

Purpose of the Study:

To present a uniform method for remotely tuning the electrical properties (inductance, capacitance, resistance) of soft electronic components.
To investigate the influence of ferrofluid and iron powder parameters on electrical properties.

Main Methods:

Utilizing magnetically actuated ferrofluid mixed with iron powder within a soft fluidic channel (polydimethylsiloxane - PDMS).
Remotely controlling the position and quantity of ferrofluid to alter component characteristics.
Analyzing changes in inductance, capacitance, resistance, quality factor, and self-resonance frequency across various frequencies.

Main Results:

Inductance, capacitance, and resistance are significantly tunable, with position being a key factor.
Achieved inductance changes of up to 23%, capacitance changes of 12.7%, and resistance changes of 185.3%.
Tuning effects exhibited quasi-linear profiles concerning position and quantity adjustments.

Conclusions:

The proposed method offers effective remote tuning of soft electronic components.
The technique demonstrates significant potential for applications requiring adjustable electrical properties in soft electronics.