Magnetic Ground-State and Systematic X-ray Photoreduction Studies of an Iron-Based Star-Shaped Complex
| Autor(en): | Kuepper, Karsten Taubitz, Christian Taubitz, Daniel Wiedwald, Ulf Scheurer, Andreas Sperner, Stefan Saafrank, Rolf W. Kappler, Jean-Paul Joly, Loic Ziemann, Paul Neumann, Manfred |
Stichwörter: | ABSORPTION SPECTROSCOPY; CHARGE-TRANSFER; Chemistry; Chemistry, Physical; DICHROISM; LIGAND; Materials Science; Materials Science, Multidisciplinary; Nanoscience & Nanotechnology; PHOTOCHEMISTRY; Physics; Physics, Atomic, Molecular & Chemical; Science & Technology - Other Topics; SINGLE-MOLECULE MAGNETS | Erscheinungsdatum: | 2011 | Herausgeber: | AMER CHEMICAL SOC | Journal: | JOURNAL OF PHYSICAL CHEMISTRY LETTERS | Volumen: | 2 | Ausgabe: | 13 | Startseite: | 1491 | Seitenende: | 1496 | Zusammenfassung: | We revisit the star-shaped iron-based single-molecule magnet [Fe(III){Fe(III) (L)(2)}(3)] (2) (exact chemical formula C(30)H(66)Fe(4)N(6)O(12), H(2)L = N-methyldiethanolamine) in order to clarify some open questions concerning the exact electronic and magnetic properties arising from earlier studies on this specific compound. Namely, we address the internal magnetic structure by applying X-ray magnetic circular dichroism to the Fe L(2,3) edges and carefully investigate radiation photochemistry. We observe an Fe(3+) to Fe(2+) photoreduction process, taking place under soft X-ray radiation. |
ISSN: | 19487185 | DOI: | 10.1021/jz2005013 |
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geprüft am 15.05.2024
