Advanced giant magnetoresistance technology for measurement applications

R Weiss, R Mattheis, G Reiss - Measurement Science and …, 2013 - iopscience.iop.org
Giant magnetoresistance (GMR) sensors are considered one of the first real applications of
nanotechnology. They consist of nm-thick layered structures where ferromagnetic metals are …

[HTML][HTML] Review and outlook: from single nanoparticles to self-assembled monolayers and granular GMR sensors

A Weddemann, I Ennen, A Regtmeier… - Beilstein journal of …, 2010 - beilstein-journals.org
This paper highlights recent advances in synthesis, self-assembly and sensing applications
of monodisperse magnetic Co and Co-alloyed nanoparticles. A brief introduction to solution …

Origin of the Planar Hall Effect in Nanocrystalline

KM Seemann, F Freimuth, H Zhang, S Blügel… - Physical review …, 2011 - APS
An angle dependent analysis of the planar Hall effect (PHE) in nanocrystalline single-
domain Co 60 Fe 20 B 20 thin films is reported. In a combined experimental and theoretical …

How to design magneto-based total analysis systems for biomedical applications

A Weddemann, C Albon, A Auge, F Wittbracht… - Biosensors and …, 2010 - Elsevier
This article reviews recent developments on magnetoresistive detection of magnetic beads
or nanoparticles by nanoscale sized sensors. Sensors are analyzed from an experimental …

[PDF][PDF] A finite element analysis of a microfluidic lab-on-a-chip system employing magnetic carriers for biomedical applications

A Weddemann - 2009 - core.ac.uk
Small magnetic particles have attracted a lot of interest during the last decades. We may
think of a magnetic particle as small magnetic sphere which interacts with other magnetic …

Toward the magnetoresistive detection of single magnetic nanoparticles: New strategies for particle detection by adjustment of sensor shape

A Weddemann, A Auge, C Albon, F Wittbracht… - Journal of Applied …, 2010 - pubs.aip.org
In this work, different approaches in order to enhance the sensitivity of tunnel
magnetoresistive sensors are discussed by means of finite element simulations. Several …

[PDF][PDF] Hybrid FEM-BEM approach for two-and three-dimensional open boundary magnetostatic problems

A Weddemann, D Kappe, A Hütten - Proc. COMSOL Conf., Boston, 2011 - comsol.jp
In order to eliminate additional degrees of freedom in the surrounding domain of a charged
or polarized object, we implement an open boundary method based on a hybrid FEM-BEM …

Ga and rbf based real-time fdd for refrigeration units

Y Huang, J Zhan - 2009 International Symposium on Intelligent …, 2009 - ieeexplore.ieee.org
Purpose of this research is to describe the application of a radius basis function (RBF)
network to the problem of real-time fault detection and diagnosis (FDD) in a vapor …

Magnetoresistive Detection of Magnetic Beads and Nanoparticles: Spatial Resolution and Number Sensitve Detection

A Weddemann, A Auge, C Albon… - … on Quantum, Nano …, 2010 - ieeexplore.ieee.org
The detection capability of magnetic beads and nanoparticles by tunneling
magnetoresistance sensors is analyzed in a finite element framework. The limitations for …

[PDF][PDF] Ferromagnetic materials for MEMS-and NEMS-devices

A Weddemann, J Jadidian, YS Kim… - Proc. COMSOL Conf …, 2011 - researchgate.net
The calculation of ferromagnetic materials is a challenging task of high industrial and
academic impact. The dynamics of a magnetization distribution are governed by the Landau …