Robust magnetic anisotropy of a monolayer of hexacoordinate Fe( ii ) complexes assembled on Cu(111)

Massine Kelai (1) , Benjamin Cahier (2, 3) , Mihail Atanasov (4) , Frank Neese (3) , Yongfeng Tong (5) , Luqiong Zhang (2) , Amandine Bellec (5) , Olga Iasco (2) , Eric Rivière (2) , Régis Guillot (2) , Cyril Chacon (5) , Yann Girard (5) , Jérôme Lagoute (1) , Sylvie Rousset (5) , Vincent Repain (5) , Edwige Otero (6) , Philippe Sainctavit (6) , Anne-Laure Barra (7) , Marie-Laure Boillot (2) , Talal Mallah (2) , Marie-Anne Arrio

1 MPQ - Mathématique et Physique Quantique
2 ICMMO - Institut de Chimie Moléculaire et des Matériaux d'Orsay
3 MPIC - Max Planck Institute for Chemistry
4 Institute of General and Inorganic Chemistry
5 MPQ (UMR_7162) - Laboratoire Matériaux et Phénomènes Quantiques
6 SSOLEIL - Synchrotron SOLEIL
7 LNCMI-G - Laboratoire national des champs magnétiques intenses - Grenoble

The tris pyrazolyl borate ligand imposes a rigid scaffold around Fe( ii ) ensuring a robust magnetic anisotropy when the molecules assembled as monolayers suffer from the dissymmetric environment of the substrate/vacuum interface.

Mots clés: magnetic anisotropy; ZFS; monolayer; XMCD; Fe(II); theoretical calculations; spin crossover

Domaines: Chimie de coordination; Chimie inorganique; Matériaux; Science des matériaux [cond-mat.mtrl-sci]

Massine Kelai, Benjamin Cahier, Mihail Atanasov, Frank Neese, Yongfeng Tong, et al.. Robust magnetic anisotropy of a monolayer of hexacoordinate Fe( ii ) complexes assembled on Cu(111). Inorganic Chemistry Frontiers, 2021, 8 (9), pp.2395-2404. ⟨10.1039/d1qi00085c⟩. ⟨hal-03221157⟩