Large-amplitude polar electromechanical coupling in ferroelectric fluids
Understanding the mechanisms by which fluids generate and transmit mechanical forces is fundamental to both biological systems and the design of responsive soft materials. However, owing to their inherent lack of positional order, fluids typically struggle to generate forces beyond the piconewton scale, limiting their ability to deform and reshape their surroundings. Here, we introduce a class of structured fluids that integrate liquid-crystalline and ferroelectric orders, en
Researchers have developed a new type of fluid that overcomes the limitations of traditional liquids in generating mechanical force. By combining liquid-crystalline and ferroelectric properties, these structured fluids can exert forces significantly larger than previously possible, reaching the micronewton scale. This is a substantial improvement, orders of magnitude greater than what non-lamellar fluids can achieve. The ferroelectric order within the fluid enhances local topological forces, allowing for more effective manipulation and reshaping of embedded micro-objects.
This breakthrough in fluid mechanics could lead to advancements in controlling micro-objects and designing new responsive soft materials.
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