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Issue 59, 2019
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Magnetic properties of on-surface synthesized single-ion molecular magnets

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Abstract

We perform on-surface synthesis of single-ion molecular magnets on an Ag(111) surface and characterize their morphology, chemistry, and magnetism. The first molecule we synthesize is TbPc2 to enable comparison with chemically synthesized and subsequently surface adsorbed species. We demonstrate the formation of TbPc2 with a yield close to 100% and show that on-surface synthesis leads to identical magnetic and morphological properties compared to the previously studied chemically synthesized species. Moreover, exposure of the surface adsorbed TbPc2 molecules to air does not modify their magnetic and morphological properties. To demonstrate the versatility of our approach, we synthesize novel Tb double deckers using tert-butyl-substituted phthalocyanine (tbu-2H-Pc). The Tb(tbu-Pc)2 molecules exhibit magnetic hysteresis and therefore are the first purely on-surface synthesized single ion magnet.

Graphical abstract: Magnetic properties of on-surface synthesized single-ion molecular magnets

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Publication details

The article was received on 28 Aug 2019, accepted on 16 Sep 2019 and first published on 25 Oct 2019


Article type: Paper
DOI: 10.1039/C9RA06803A
RSC Adv., 2019,9, 34421-34429
  • Open access: Creative Commons BY-NC license
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    Magnetic properties of on-surface synthesized single-ion molecular magnets

    K. Diller, A. Singha, M. Pivetta, C. Wäckerlin, R. Hellwig, A. Verdini, A. Cossaro, L. Floreano, E. Vélez-Fort, J. Dreiser, S. Rusponi and H. Brune, RSC Adv., 2019, 9, 34421
    DOI: 10.1039/C9RA06803A

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