期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 5-6, 页码 992-1000出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201201083
关键词
Spin crossover; Phase transitions; Polymorphism; Laser spectroscopy; Photocrystallography; Femtosecond spectroscopy; Non-equilibrium processes
资金
- Institut Universitaire de France, Rennes Metropole, Region Bretagne [4146]
- Agence Nationale de la Recherche (ANR) [09-BLAN-0212]
- European Union (FEDER)
- Region Bretagne
We report on the spin state photoswitching dynamics triggered by a femtosecond laser of [(TPA)Fe-III(TCC)](+) cations in a new salt with SbF6- anions. Femtosecond optical pump-probe spectroscopy and picosecond X-ray diffraction techniques were combined to investigate the different steps of the out-of-equilibrium dynamics. The obtained results are very consistent with the ones previously reported for the PF6- salts. If the ultra-fast responses of the cations in both salts are similar, the spin conversion due to laser heating is slightly shifted to higher temperature in the SbF6- salt, as its thermal crossover occurs at higher temperature.
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