Structural and Magnetic Properties of a Drop-Cast C 54 H 34 Br 4 CuO 4 β-Diketonato Complex Film on a Graphite Surface - Groupe Nanosciences
Article Dans Une Revue Langmuir Année : 2023

Structural and Magnetic Properties of a Drop-Cast C 54 H 34 Br 4 CuO 4 β-Diketonato Complex Film on a Graphite Surface

Résumé

The structural and magnetic properties of a drop-cast film of flat C54H34Br4CuO4, a β-diketonato complex functionalized with bromine atoms, on a graphite surface are investigated using scanning tunneling microscopy, synchrotron X-ray absorption spectroscopy, and X-ray magnetic circular dichroism. Experimental measurements reveal that the Cu-complexes preferentially lay flat on the graphite surface. The magnetic hysteresis loops show that the organic thin film remains paramagnetic at 2 K with an easy axis of magnetization perpendicular to the graphite surface and is therefore perpendicular to the plane of the Cu-complex skeleton.
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Dates et versions

hal-04233823 , version 1 (24-11-2023)

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Emilio Vélez-Fort, Philippe Ohresser, Mathieu Silly, Jacques Bonvoisin, Fabien Silly. Structural and Magnetic Properties of a Drop-Cast C 54 H 34 Br 4 CuO 4 β-Diketonato Complex Film on a Graphite Surface. Langmuir, 2023, 39 (39), pp.14000-14005. ⟨10.1021/acs.langmuir.3c01684⟩. ⟨hal-04233823⟩
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