Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 40, Pages 10636-10640Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201403672
Keywords
LIESST; molecular magnets; photomagnetism; spin crossover; UV/Vis spectroscopy
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Funding
- RFBR [14-03-00224]
- RF [MD-276.2014.3]
- CNRS
- Region Bretagne [SAD Ultramat 075219]
- ANR [ANR-13-BS04-0002]
- FEDER
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Molecular compounds with photoswitchable magnetic properties have been intensively investigated over the last decades due to their prospective applications in nanoelectronics, sensing and magnetic data storage. The family of copper-nitroxide-based molecular magnets represents a new promising type of photoswitchable compounds. We report the first study of these appealing systems using femtosecond optical spectroscopy. We unveil the mechanism of ultrafast (<50 fs) spin state photoswitching and establish its principal differences compared to other photoswitchable magnets. On this basis, we propose potential advantages of copper-nitroxide-based molecular magnets for the future design of ultrafast magnetic materials.
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