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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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Supplementary files

Article information


Submitted
28 Aug 2019
Accepted
16 Sep 2019
First published
25 Oct 2019

This article is Open Access

RSC Adv., 2019,9, 34421-34429
Article type
Paper

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

This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

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    [Original citation] - Published by The Royal Society of Chemistry.

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