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Berlin 2024 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 25: Magnetic Imaging and Sensors II

MA 25.9: Vortrag

Mittwoch, 20. März 2024, 11:45–12:00, EB 301

Green transferring of GMR sensors onto arbitrary substrates with loss-free performance and mechanical robustness for interactive electronics — •Olha Bezsmertna1, Rui Xu1, Eduardo Sergio Oliveros-Mata1, Clemens Voigt2, Sindy Mosch2, Mykola Vinnichenko2, and Denys Makarov11Helmholtz-Zentrum Dresden-Rossendorf e.V., 01328 Dresden, Germany — 2Fraunhofer Institute for Ceramic Technologies and Systems IKTS, 01277 Dresden, Germany

Recent progress in branch of flexible electronics led to the expansion of its applications in artificial intelligence, the Internet of Things (IoTs), wearable electronics, etc. Flexible magnetic field sensors enable new generation of devices based on touchless interaction [1, 2]. However, integration of highly-sensitive magnetic sensors into non-planar surfaces still remains challenging. Although transfer printing method has been adopted to diversify the applicable substrates, the selection freedom is still limited. We propose a green transfer printing method, capitalizing on the following features: 1) our technique only relies on biocompatible water and does not resort to any additional treatments; 2) sensors can be transferred onto arbitrary substrates without performance degradation; 3) the transferred sensors have robust mechanical stability. Thanks to the above advantages, the magnetic sensors demonstrate promising potentials in on-skin electronics as human-machine interfaces, smart agriculture and household IoTs applications.

[1] Xu, R. et al. Nat. Comm., 13(1), 6587 (2022); [2] Cañón Bermúdez, G. S. et al. Adv. Funct. Mat., 31(39), 2007788 (2021).

Keywords: Transfer Printing; Flexible Electronics; Interractive Electronics; Magnetic Field Sensors

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