Week 9 (November 4, 2019 till November 8, 2019)

We performed another measurement where we measured noise the same way as before, and on the same sensor device, but this time added an AC modulation field. The sensitivity could be extracted and cross-checked with prior results. I also checked through my samples and identified the next potential sensor device candidate to do noise measurements with.

Additionally, I started working with the group of my second advisor here at CAU, Prof. McCord. I met with two of his students and we discussed some details about my sensors and formulated some plans for what to image. Their lab specializes in MOKE imaging of magnetic domains, and this would be potentially very helpful in better understanding the causes of different sensor results that I have been getting. We began "playing around" with the MOKE--that is, tuning the settings to find the right configuration to see the domains.


Alexei Matyushov 

Northeastern University
Boston, MA, USA

Visiting period: September 2019 - November 2019

Topic: Limit of detection and noise of magentoelectric MEMS magnetometers

Supervisors: Jeffrey McCord, Michael Höft

Further Visiting Students




Prof. Dr. Eckhard Quandt

Kiel University
Institute for Materials Science


Internal server



Christian-Albrechts-Universität zu Kiel (CAU)

Christ.-Albrechts-Platz 4
D-24118 Kiel


University Hospital Schleswig-Holstein, Campus Kiel (UKSH)

Arnold-Heller-Straße 3
D-24105 Kiel


Fraunhofer Institute for Silicon Technology, Itzehoe (ISIT)

Fraunhoferstrasse 1
D-25524 Itzehoe  


IPN - Leibniz-Institut für die Pädagogik der Naturwissenschaften und Mathematik 

Olshausenstraße 62 
D-24118 Kiel

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