Towards frustration in Eu(II) Archimedean tessellations

Hua Chen; Anna S. Manvell; Mariusz Kubus; Maja A. Dunstan; Giulia Lorusso; David Gracia; Mike S. B. Jørgensen; Søren Kegnæs; Fabrice Wilhelm; Andrei Rogalev; Marco Evangelisti; Kasper S. Pedersen

doi:10.1039/D2CC06224K

Towards frustration in Eu(ii) Archimedean tessellations†

Hua Chen,‡^a Anna S. Manvell,

‡^a Mariusz Kubus,^a Maja A. Dunstan,

^a Giulia Lorusso,

^b David Gracia,^d Mike S. B. Jørgensen,^a Søren Kegnæs,

^a Fabrice Wilhelm,^c Andrei Rogalev,^c Marco Evangelisti

^d and Kasper S. Pedersen

*^a

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* Corresponding authors

^a Department of Chemistry, Technical University of Denmark, Kongens Lyngby, Denmark
E-mail: kastp@kemi.dtu.dk

^b CNR-Institute for Microelectronics and Microsystems, Bologna Unit, Bologna 40129, Italy

^c European Synchrotron Radiation Facility, BP 220, Grenoble Cedex 9 38043, France

^d Instituto de Nanociencia y Materiales de Aragón, Departamento de Física de la Materia Condensada, CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain

Abstract

Self-assembly of trans-{EuI₂} nodes and ditopic ligands leads to isoreticular 2D frameworks featuring a rare, non-kagome Archimedean tessellation. The topology and intra-layer Eu(II)–Eu(II) antiferromagnetic interactions provide the prerequisites for geometrical spin frustration, which, due to the spin state degeneracy, is key for novel phenomena such as enhanced magnetic refrigeration.

This article is part of the themed collection: Chemical Communications HOT Articles 2023

Chemical Communications

Towards frustration in Eu(ii) Archimedean tessellations†

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