0000000001307146
AUTHOR
Antoine Tissot
Very Long-Lived Photogenerated High-Spin Phase of a Multistable Spin-Crossover Molecular Material
The spin-crossover compound [Fe(n-Bu-im)3(tren)](PF6)2 shows an unusual long relaxation time of 20 h after light-induced excited spin state trapping when irradiating at 80 K. This is more than 40 times longer than when irradiating at 10 K. Optical absorption spectroscopy, magnetometry, and X-ray diffraction using synchrotron radiation were used to characterize and explain the different relaxation behaviors of this compound after irradiation below and above 70 K. Rearrangement of the butyl chains of the ligands occurring during the relaxation after irradiation above 70 K is thought to be responsible for the unusually long relaxation time at this temperature.
Stimuli responsive hybrid magnets : tuning the photoinduced spin-crossover in Fe(III) complexes inserted into layered magnets
The insertion of a [Fe(sal_2 trien)]^+ complex cation into a 2D oxalate network in the presence of different solvents results in a family of hybrid magnets with coexistence of magnetic ordering and photoinduced spin crossover (LIESST effect) in compounds [Fe^{III}(sal_2 trien)][Mn^{II}Cr^{III}(ox)_3]·CHCl_3 (1·CHCl_{3}) [Fe^{III}(sal_{2} trien)][Mn^{II}Cr^{III}(ox)_{3}]·CHBr_{3} (1·CHBr_{3}) and [Fe^{III}(sal_{2} trien)][Mn^{II}Cr^{III}(ox)_{3}]·CH_{2}Br_{2} (1·CH_{2}Br_{2}). The three compounds crystallize in a 2D honeycomb anionic layer formed by Mn^{II} and Cr^{III} ions linked through oxalate ligands and a layer of [Fe(sal_{2} trien)]^{+} complexes and solvent molecules (CHCl_{3} CHBr_{…
CCDC 929206: Experimental Crystal Structure Determination
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CCDC 929201: Experimental Crystal Structure Determination
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CCDC 929203: Experimental Crystal Structure Determination
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CCDC 929204: Experimental Crystal Structure Determination
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CCDC 1848631: Experimental Crystal Structure Determination
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CCDC 929205: Experimental Crystal Structure Determination
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CCDC 1848628: Experimental Crystal Structure Determination
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CCDC 1857201: Experimental Crystal Structure Determination
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CCDC 929202: Experimental Crystal Structure Determination
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CCDC 929207: Experimental Crystal Structure Determination
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CCDC 1848626: Experimental Crystal Structure Determination
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CCDC 929208: Experimental Crystal Structure Determination
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CCDC 1848629: Experimental Crystal Structure Determination
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CCDC 1848627: Experimental Crystal Structure Determination
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