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Issue 38, 2018
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Partial magnetic ordering in one-dimensional arrays of endofullerene single-molecule magnet peapods

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Abstract

The magnetic ordering and bistability of one-dimensional chains of endofullerene Dy2ScN@C80 single-molecule magnets (SMMs) packed inside single-walled carbon nanotubes (SWCNTs) have been studied using high-resolution transmission electron microscopy (HRTEM), X-ray magnetic circular dichroism (XMCD), and ab initio calculations. X-ray absorption measurements reveal that the orientation of the encapsulated endofullerenes differs from the isotropic distribution in the bulk sample, indicating a partial ordering of the endofullerenes inside the SWCNTs. The effect of the one-dimensional packing was further investigated by ab initio calculations, demonstrating that for specific tube diameters, the encapsulation is leading to energetically preferential orientations of the endohedral clusters. Additionally, element-specific magnetization curves reveal a decreased magnetic bistability of the encapsulated Dy2ScN@C80 SMMs compared to the bulk analog.

Graphical abstract: Partial magnetic ordering in one-dimensional arrays of endofullerene single-molecule magnet peapods

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Publication details

The article was received on 04 Jul 2018, accepted on 14 Aug 2018 and first published on 14 Aug 2018


Article type: Paper
DOI: 10.1039/C8NR05386C
Nanoscale, 2018,10, 18153-18160
  • Open access: Creative Commons BY license
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    Partial magnetic ordering in one-dimensional arrays of endofullerene single-molecule magnet peapods

    S. M. Avdoshenko, F. Fritz, C. Schlesier, A. Kostanyan, J. Dreiser, M. Luysberg, A. A. Popov, C. Meyer and R. Westerström, Nanoscale, 2018, 10, 18153
    DOI: 10.1039/C8NR05386C

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