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[7s, 2015] 

Journal of Electrical Engineering, Vol 66, 7s (2015) 128-133

FROM MACRO-SCALE MAGNETIC MEASUREMENTS TO NANO-SCALE IMAGING OF SUPERPARAMAGNETIC SYSTEMS

Artur Chrobak – Grzegorz Haneczok – Grzegorz Ziółkowski

   The paper refers to magnetic characterization of superparamagnetic systems. The analysis consists in determination of dis-tributions of cluster magnetic moments. Furthermore, the distribution can be connected with average sizes on the clusters, giv-ing their picture in nano/micro scale. The proposed procedure is based on macro-scale magnetic measurements as well as a proper numerical analysis. The used models allow performing the analysis above and below the blocking temperature.

Keywords: superparamagnetism, magnetic clusters, simulated annealing


[full-paper]


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