Project A2

Hybrid Magnetoelectric Sensors Based on Mechanically Soft Composite Materials

The aim of the project A2 is to design, fabricate, and characterize mechanically soft magnetostrictive and piezoelectric composite materials and hybrid magnetoelectric (ME) sensors made thereof. In this approach the magnetic field energy is transferred nearly completely to charge separation in the equally soft piezoelectric phase. Hence, the restoring forces for the magnetostrictive expansion will be mostly due to the coulomb potential arising from the charge separation. Thus, the project aims for a limit of detection (LOD) < 1 pT/Hz^1/2 at low frequencies < 30 Hz without high quality resonators which limit the bandwidth.


Rainer Adelung
Prof. Dr.
Lead of projects A2, A5
Franz Faupel
Prof. Dr.
Lead of projects A2, A4, B7
Stefan Schröder
M. Sc.
Doctoral researcher
Marleen Schweichel
Doctoral researcher


Role within the Collaborative Research Centre

The Project A2 uses a combination of new hybrid materials. This facilitates the construction of sensor concepts that differ much from the conventional concepts in this CRC. This might help to circumvent limitations of the conventional concepts. This project is part of the focus group F1 “Modeling” and of the focus group F2 “Sensor Concepts”.

A1: Collaboration regarding the noise analysis and noise reduction (strong collaboration).
A3: Collaboration concerning MEMS compatibility and fabrication (strong collaboration).
A4: Collaboration with regard to the sensor readout, ΔE-effect of sensors.
A6: TEM investigations of the samples.
A8: Collaboration in the modeling of the sensors.
B1: Collaboration with regard to noise analysis and noise reduction (strong collaboration).
B2: Collaboration with regard to noise analysis and noise reduction (strong collaboration).
B7: Use of magneto-active polymers, without magnetic particles, as tissue materials.
Z1: Collaboration concerning MEMS compatibility and fabrication (strong collabration).
Z2: Collaboration in the sensor characterization.

Project-related Publications

Financial Support

The Collaborative Research Center 1261 is funded by the German Research Foundation (DFG).

SFB1261 Microsite

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Recent Publications

P. Durdaut, M. Höft, J.-M. Friedt, E. Rubiola: Equivalence of Open-Loop and Closed-Loop Operation of SAW Resonators and Delay Lines. Sensors 2019, 19, 185;

R. Hirschberg, M. Scharnberg, S. Schröder, S. Rehders, T. Strunskus, F. Faupel: Electret films with extremely high charge stability prepared by thermal evaporation of Teflon AF; ScienceDirect, February 2018; 

A. Kittmann, P. Durdaut, S. Zabel, J. Reermann, J. Schmalz, B. Spetzler, D. Meyners, N. X. Sun, J. McCord, M. Gerken, G. Schmidt, M. Höft, R. Knöchel, F. Faupel, and E. Quandt: Wide Band Low Noise Love Wave Magnetic Field Sensor System; Scientific Reports, vol. 8, no. 278, January 2018;




Prof. Dr. Eckhard Quandt

Kiel University
Institute for Materials Science


Interner Server



Christian-Albrechts-Universität zu Kiel (CAU)

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IPN - Leibniz-Institut für die Pädagogik der Naturwissenschaften und Mathematik an der Universität Kiel

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