Memory effect of magnetic nanoparticle systems originating from particle size distribution |
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| Authors: | Gufei Zhang K Potzger Shengqiang Zhou A Mücklich Yicong Ma J Fassbender |
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| Affiliation: | 1. Institute of Ion Beam Physics and Materials Research, Forschungszentrum Rossendorf, P.O. Box 510119, 01314 Dresden, Germany;2. Department of Modern Physics, University of Science and Technology of China, 230026 Hefei, China |
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| Abstract: | Magnetic characteristics of both interacting and noninteracting Fe nanoparticle systems synthesized inside LaAlO3 matrices were investigated, utilizing SQUID magnetometry. The origin of the magnetic memory effect was explored. We found that not the interaction between magnetic nanoparticles but the size distribution is mainly responsible for that effect. Transmission electron micrographs support the finding by recording the FC/ZFC magnetization to evidence our illumination. |
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