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Biomimetic microelectronics for regenerative neuronal cuff implants

2015, Karnaushenko, Daniil, Münzenrieder, Niko, Karnaushenko, Dmitriy D., Koch, Britta, Meyer, Anne K., Baunack, Stefan, Petti, Luisa, Tröster, Gerhard, Makarov, Denys, Schmidt, Oliver G.

Smart biomimetics, a unique class of devices combining the mechanical adaptivity of soft actuators with the imperceptibility of microelectronics, is introduced. Due to their inherent ability to self‐assemble, biomimetic microelectronics can firmly yet gently attach to an inorganic or biological tissue enabling enclosure of, for example, nervous fibers, or guide the growth of neuronal cells during regeneration.

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Self‐assembled on‐chip‐integrated giant magneto‐impedance sensorics

2015, Karnaushenko, Daniil, Karnaushenko, Dmitriy D., Makarov, Denys, Baunack, Stefan, Schäfer, Rudolf, Schmidt, Oliver G.

A novel method relying on strain engineering to realize arrays of on‐chip‐integrated giant magneto‐impedance (GMI) sensors equipped with pick‐up coils is put forth. The geometrical transformation of an initially planar layout into a tubular 3D architecture stabilizes favorable azimuthal magnetic domain patterns. This work creates a solid foundation for further development of CMOS compatible GMI sensorics for magnetoencephalography.

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High-performance magnetic sensorics for printable and flexible electronics

2014, Karnaushenko, Daniil, Makarov, Denys, Stöber, Max, Karnaushenko, Dmitriy D., Baunack, Stefan, Schmidt, Oliver G.

High‐performance giant magnetoresistive (GMR) sensorics are realized, which are printed at predefined locations on flexible circuitry. Remarkably, the printed magnetosensors remain fully operational over the complete consumer temperature range and reveal a giant magnetoresistance up to 37% and a sensitivity of 0.93 T−1 at 130 mT. With these specifications, printed magnetoelectronics can be controlled using flexible active electronics for the realization of smart packaging and energy‐efficient switches.