论文标题

应变敏感的柔性磁电陶瓷纳米复合材料

Strain sensitive flexible magnetoelectric ceramic nanocomposites

论文作者

Kim, Minsoo, Kim, Donghoon, Aktas, Buse, Choi, Hongsoo, Puigmartí-Luis, Josep, Nelson, Bradley J., Chen, Xiang-Zhong, Pané, Salvador

论文摘要

先进的灵活电子和软机器人需要开发和实施柔性功能材料。磁电(ME)氧化物材料可以将磁输入转换为电输出,反之亦然,使其成为高级感应,促进,数据存储和通信的出色候选者。但是,由于其易碎的性质,他们的应用仅限于刚性设备。在这里,我们报告了柔性ME氧化物复合材料(BATIO3/COFE2O4)薄膜纳米结构,这些薄膜纳米结构可以转移到可伸缩的底物上,例如聚二甲基硅氧烷(PDMS)。与刚性大小对应物相反,这些陶瓷纳米结构表现出灵活的行为,并通过机械拉伸表现出可逆地调节我的耦合。我们认为,我们的研究可以为将陶瓷ME复合材料整合到柔性电子设备和软机器人设备中开放新途径。

Advanced flexible electronics and soft robotics require the development and implementation of flexible functional materials. Magnetoelectric (ME) oxide materials can convert magnetic input into electric output and vice versa, making them excellent candidates for advanced sensing, actuating, data storage, and communication. However, their application has been limited to rigid devices due to their brittle nature. Here, we report flexible ME oxide composite (BaTiO3/CoFe2O4) thin film nanostructures that can be transferred onto a stretchable substrate such as polydimethylsiloxane (PDMS). In contrast to rigid bulk counterparts, these ceramic nanostructures display a flexible behavior and exhibit reversibly tunable ME coupling via mechanical stretching. We believe our study can open up new avenues for integrating ceramic ME composites into flexible electronics and soft robotic devices.

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