A new spin-crossover complex based on a heteroscorpionate ligand was synthesized and characterized. Thin films were grown by sublimation in an ultra-high vacuum on highly oriented pyrolytic graphite (HOPG) and on single crystal Au (111), and spectroscopically characterized using X-ray absorption and X-ray photoemission. Temperature-dependent experiments on sub-nanometric deposits demonstrated that the thermally induced spin-crossover is preserved at a sub-monolayer (0.7 ML) coverage on HOPG, while films with similar thickness lose the switching behaviour when deposited on a Au(111) surface. The system was unresponsive to light stimuli at low temperatures independently of the used substrate.
Substrate-dependent spin crossover in an Fe(II) scorpionate complex / Pénicaud, Margaux; Martinez, Edoardo; Serrano, Giulia; Cortigiani, Brunetto; Squillantini, Lorenzo; González-Estefan, Juan H.; Velez-Fort, Emilio; Duttine, Mathieu; Gonidec, Mathieu; Rosa, Patrick; Mannini, Matteo; Poggini, Lorenzo. - In: JOURNAL OF MATERIALS CHEMISTRY. C. - ISSN 2050-7526. - ELETTRONICO. - 11:(2023), pp. 11518-11528. [10.1039/d3tc01620j]
Substrate-dependent spin crossover in an Fe(II) scorpionate complex
Serrano, Giulia;Cortigiani, Brunetto;Squillantini, Lorenzo;Mannini, Matteo;Poggini, Lorenzo
2023
Abstract
A new spin-crossover complex based on a heteroscorpionate ligand was synthesized and characterized. Thin films were grown by sublimation in an ultra-high vacuum on highly oriented pyrolytic graphite (HOPG) and on single crystal Au (111), and spectroscopically characterized using X-ray absorption and X-ray photoemission. Temperature-dependent experiments on sub-nanometric deposits demonstrated that the thermally induced spin-crossover is preserved at a sub-monolayer (0.7 ML) coverage on HOPG, while films with similar thickness lose the switching behaviour when deposited on a Au(111) surface. The system was unresponsive to light stimuli at low temperatures independently of the used substrate.File | Dimensione | Formato | |
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