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Issue 36, 2018
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Between single ion magnets and macromolecules: a polymer/transition metal-based semi-solid solution

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Abstract

The creation of functional magnetic materials for application in high-density memory storage or in the new field of molecular spintronics is a matter of widespread interest among the material research community. Herein, we describe a new approach that combines the qualities of single ion magnets, displaying slow magnetic relaxations, and the merits of polymers, being easy to process and widely used to produce thin films. Basing the idea on cobalt(II) ions and pyridine-based single ion magnets, a new macromolecular magnetic material was obtained – a polymeric matrix of poly(4-vinylpyridine) (P4VP) cross-linked by a cobalt(II) salt bound within it, effectively forming a network of single ion magnets, with field-induced magnetic relaxations preserved in both bulk and thin film forms. The binding of cobalt is confirmed by a series of methods, like secondary ion mass spectroscopy or high-resolution X-ray photoelectron spectroscopy. The magnetic relaxation times, up to 5 × 10−6 s, are controllable simply by dilution, making this new material a semi-solid solution. By this approach, a new path is formed to connect molecular magnetism and polymer science, showing that the easy polymer processing can be used in forming self-organizing functional magnetic thin films.

Graphical abstract: Between single ion magnets and macromolecules: a polymer/transition metal-based semi-solid solution

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Publication details

The article was received on 23 May 2018, accepted on 03 Aug 2018 and first published on 03 Aug 2018


Article type: Edge Article
DOI: 10.1039/C8SC02277A
Citation: Chem. Sci., 2018,9, 7277-7286
  • Open access: Creative Commons BY license
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    Between single ion magnets and macromolecules: a polymer/transition metal-based semi-solid solution

    A. M. Majcher, P. Dąbczyński, M. M. Marzec, M. Ceglarska, J. Rysz, A. Bernasik, S. Ohkoshi and O. Stefańczyk, Chem. Sci., 2018, 9, 7277
    DOI: 10.1039/C8SC02277A

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