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journal article·2019-01Open access

Nano Ferromagnetism: Single Domain 10 nm Ferromagnetism Imprinted on Superparamagnetic Nanoparticles Using Chiral Molecules (Small 1/2019)

Guy Koplovitz, Gregory Leitus, Supriya Ghosh, Brian P. Bloom, Shira Yochelis, Dvir Rotem, Fabio Vischio, Marinella Striccoli, Elisabetta Fanizza, Ron Naaman, David H. Waldeck, Danny Porath, Yossi Paltiel

Small· Volume 15· Issue 1
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Source abstract

Abstract

In article number 1804557, Danny Porath, Yossi Paltiel, and co-workers demonstrate imprinting of ferromagnetism on super paramagnetic iron oxide nanoparticles (SPIONs) following asymmetric self-assembled adsorption of polyalanine chiral molecules. The adsorbed chiral molecules stabilize the magnetization direction of SPIONs at room temperature with a coercive field of about 80 Oe. This procedure allows reduction in size of magnetic memory systems.
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Research context

Nanomaterials

OpenAlex topics: Machine Learning and ELM

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Affiliations

Department of Applied Physics Hebrew University of Jerusalem Jerusalem 91904 Israel

Center for Nanoscience and Nanotechnology Hebrew University of Jerusalem Jerusalem 91904 Israel

Institute of Chemistry Hebrew University of Jerusalem Jerusalem 91904 Israel

Department of Chemical Research Support Weizmann Institute of Science Rehovot 76100 Israel

Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA

Institute for Chemical and Physical Processes (IPCF) – National Council of Researches CNR Via Orabona 4 Bari 70126 Italy

Department of Chemistry University of Bari Via Orabona 4 Bari 70126 Italy

Department of Chemical and Biological Physics Weizmann Institute of Science Rehovot 76100 Israel

References

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