Project Z2

Magnetoelectric Sensor Characterization

The essential goals of this project are functional characterization of the various ME sensors of the CRC (determination of the spectral distribution of the noise, the limit of detection, the cross sensitivity, and the directional characterization of the ME sensors), manufacturing of the measurement hardware, automation of measurement procedures, and measurement support for the biomedical applications in the corresponding B projects. To give quick access to the impact of material or design variations on ME sensor performance, a database and the corresponding interfaces to the measurement and characterization system as well as to the users (most of the A and B projects) will be established.

 

Results

Head Scanner Has Reached the Next Level

  The head scanner has been improved with respect to scanning speed, robustness, and saftety means. It is ready now to be used for patient measurements. First evaluations have been performed in close cooperation with the medical project B5.

 

A New Head Phantom for Investigation of Connected Soures in the Brain

  Furthermore, a head phantom for emulation of a network of connected sources in the brain has been designed in close cooperation with the rearchers from project B3. Small coils can be arbitrarily placed at designated postions. This allows us to generate a variety of source configurations and we are able now to create the corresponding magentic fields on the surface of our artifical head.

 

Michael Höft
Prof. Dr.-Ing.
Lead of projects B1, B5, Z2
Gerhard Schmidt
Prof. Dr.-Ing.
Lead of projects B2, B6, and Z2
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Role within the Collaborative Research Centre

The project Z2 will participate in the focus group F2 “Sensor Concepts” on collaborations for LOD measurements and noise analysis as well as realization of ME sensor frontends. Furthermore, it will participate in the focus group F3 “Biomagnetic Signal Analysis” on supporting biomagnetic measurements.

Specifically, this project will collaborate closely with all sensor-producing projects in terms of measuring and classification of the ME sensors. In detail, collaborations with the following projects are planned:

A1: Provide measurement results and schemes for limit of detection (LOD) and noise analysis via close collaboration.
A2, A3, A4, A5, Z1: Functional characterization of the ME sensors, database containing the results of the ME measurements.
A7: Collaboration in LOD measurements and noise analysis of electrically modulated ME sensors.
B1: Takeover of analogue hardware concepts of individual sensors for ME sensor characterization and related frontends for biomedical applications.
B2: Takeover of analogue hardware concepts of individual sensors for ME sensor characterization and related frontends for biomedical applications.
B3, B5, B6, B7: Support for biomagnetic measurements and related data acquisition.
Z1: Combining the sensors with related frontends, assembly of sensor array systems.


Project-related Publications

Financial Support

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

SFB1261 Microsite

Click here to visit our Microsite with information for students, teachers and the public (German and English version available).

Recent Publications

J. Reermann, P. Durdaut, S. Salzer, T. Demming, A. Piorra, E. Quandt, N. Frey, M. Höft, and G. Schmidt: Evaluation of Magnetoelectric Sensor Systems for Cardiological Applications, Measurement (Elsevier), ISSN 0263-2241, 2017, https://doi.org/10.1016/j.measurement.2017.09.047

S. B. Hrkac, C. T. Koops, M. Abes, C. Krywka, M. Müller, M. Burghammer, M. Sztucki, T. Dane, Kaps, Y. K. Mishra,R. Adelung, J. Schmalz, M. Gerken, E. Lage, C. Kirchhof, E. Quandt, O. M. Magnussen, and B. M. Murphy: Tunable Strain in Magnetoelectric ZnO Microrod Composite Interfaces; ACS Appl. Mater. Interfaces, 2017, 9 (30), pp 25571–25577; DOI: 10.1021/acsami.6b15598

 

Contact

sfb1261@tf.uni-kiel.de

Chairman:

Prof. Dr. Eckhard Quandt

Kiel University
Institute for Materials Science

 

Interner Server

 

CAU

Christian-Albrechts-Universität zu Kiel (CAU)

Christ.-Albrechts-Platz 4
D-24118 Kiel

UKSH

University Hospital Schleswig-Holstein, Campus Kiel (UKSH)

Arnold-Heller-Straße 3
D-24105 Kiel

ISIT

Fraunhofer Institute for Silicon Technology, Itzehoe (ISIT)

Fraunhoferstrasse 1
D-25524 Itzehoe  

IPN

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

Olshausenstraße 62 
D-24118 Kiel

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