DataVXAdvanced Materials TechnologiesPaper
journal article·2023-03Open access

Strain‐Sensitive Flexible Magnetoelectric Ceramic Nanocomposites

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

Advanced Materials Technologies· Volume 8· Issue 6
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Source abstract

Abstract

Abstract Magnetoelectric (ME) oxide materials can convert magnetic input into electric output and vice versa, making them excellent candidates for advanced sensing, data storage, and communication. However, their application has been limited to rigid devices due to their brittle nature. Here, flexible ME oxide composite (BaTiO3/CoFe2O4) thin film nanostructures with distinct ME coupling coefficients are reported. In contrast to rigid bulk counterparts, these ceramic nanostructures display a flexible behavior after being released from the substrate, and can be transferred onto a stretchable substrate such as polydimethylsiloxane. These ceramic films possess high ME coefficients due to minimized clamping effect and preferred crystalline orientation, and exhibit reversibly tunable ME coupling via mechanical stretching thanks to their large elasticity (>4%). It is believed that the study can open up new avenues for integrating ceramic ME composites into micro‐/nanoelectromechanical system and soft robotic devices.
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Research context

Ceramics & glassesNanomaterialsComposites

OpenAlex topics: Multiferroics and related materials · Ferroelectric and Piezoelectric Materials · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Multi‐Scale Robotics Lab Institute of Robotics and Intelligent Systems ETH Zurich Tannenstrasse 3 Zurich 8092 Switzerland

Department of Robotics & Mechatronics Engineering DGIST‐ETH Microrobotics Research Center Daegu Gyeong‐buk Institute of Science and Technology (DGIST) 333 Techno Jungang‐daero, Hyeonpung‐Myeon, Dalseong‐Gun Daegu 42988 Republic of Korea

Departament de Ciència dels Materials i Química Física Institut de Química Teòrica i Computacional University of Barcelona (UB) Martí i Franquès, 1 08028 Barcelona Spain

Institució Catalana de Recerca i Estudis Avançats (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain

Funding

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung · National Research Foundation of Korea

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