A Family of Discrete Magnetically Switchable Nanoballs
Identifieur interne : 005742 ( Main/Exploration ); précédent : 005741; suivant : 005743A Family of Discrete Magnetically Switchable Nanoballs
Auteurs : Martin B. Duriska [Australie] ; Suzanne M. Neville [Australie, États-Unis] ; Boujemaa Moubaraki [Australie] ; Keith S. Murray [Australie] ; Chérif Balde [France] ; Jean-François Létard [France] ; Cameron J. Kepert [Australie] ; Stuart R. Batten [Australie, États-Unis]Source :
- ChemPlusChem [ 2192-6506 ] ; 2012-08.
English descriptors
- KwdEn :
- Analogue, Angew, Anion, Behaviour, Centre, Chem, Chempluschem, Considerable interest, Diffraction analysis, Elemental analysis, Elemental analysis calcd, Exponential behaviour, Feii, Feii centres, Feii metal centres, Feii sites, Final value, Gmbh, Green light, Halder, Infrared spectroscopy, Kepert, Kgaa, Liesst, Liesst activity, Liesst effect, Ligand, Light irradiation, Magnetic character, Magnetic properties, Magnetic response, Microcrystalline powders, Mmol, Molecules figure, Mononuclear materials, Moubaraki, Nanoball, Ncbh3, Ncse, Neville, Optical reflectivity, Photomagnetic, Photomagnetic properties, Photon source, Rapid decrease, Rapid increase, Reflectivity, Relaxation kinetics, Room temperature, Scorpionate ligand, Signal intensity, Small amount, Solvent variation, Stronger ligand fields, Synchrotron radiation, Syringe filter, Temperature range, Thermogravimetric analysis, Thin layer, Transition behaviour, Transition metal complexes, Transition temperature, Transition temperatures, Values decrease, Verlag, Verlag gmbh, Weinheim, Weinheim chempluschem, Yellow crystals, Yellow solution.
- Teeft :
- Analogue, Angew, Anion, Behaviour, Centre, Chem, Chempluschem, Considerable interest, Diffraction analysis, Elemental analysis, Elemental analysis calcd, Exponential behaviour, Feii, Feii centres, Feii metal centres, Feii sites, Final value, Gmbh, Green light, Halder, Infrared spectroscopy, Kepert, Kgaa, Liesst, Liesst activity, Liesst effect, Ligand, Light irradiation, Magnetic character, Magnetic properties, Magnetic response, Microcrystalline powders, Mmol, Molecules figure, Mononuclear materials, Moubaraki, Nanoball, Ncbh3, Ncse, Neville, Optical reflectivity, Photomagnetic, Photomagnetic properties, Photon source, Rapid decrease, Rapid increase, Reflectivity, Relaxation kinetics, Room temperature, Scorpionate ligand, Signal intensity, Small amount, Solvent variation, Stronger ligand fields, Synchrotron radiation, Syringe filter, Temperature range, Thermogravimetric analysis, Thin layer, Transition behaviour, Transition metal complexes, Transition temperature, Transition temperatures, Values decrease, Verlag, Verlag gmbh, Weinheim, Weinheim chempluschem, Yellow crystals, Yellow solution.
Abstract
The thermal and light‐induced magnetic properties of a family of discrete magnetically switchable “nanoball” species (3 nm in diameter) is reported. The self‐assembly of these materials is accomplished by the use of the metallo building block, [Cu([Tp4‐py])(NCCH3)] ([Tp4‐py]=tris‐[3‐(4'‐pyridyl)pyrazol‐1‐yl]hydroborate), combined with a [Fe(NCX)2] (X=S, Se and BH3) species. We previously showed that the thiocyanate analogue (Fe(NCS)‐nano) undergoes a thermal and light‐induced spin crossover (SCO)—the largest such discrete SCO material reported. Now included in this family are the Se and BH3 analogues, Fe(NCSe)‐nano and Fe(NCBH3)‐nano, which show increased thermal transition temperatures (T1/2=124 K, 162 and 173 K). This variation in transition temperature over the series S
Url:
DOI: 10.1002/cplu.201200123
Url:
DOI: 10.1002/cplu.201200123
Affiliations:
- Australie, France, États-Unis
- Aquitaine, Nouvelle-Aquitaine, Nouvelle-Galles du Sud
- Bordeaux, Sydney
- Université Bordeaux I, Université de Sydney
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- to stream Istex, to step Checkpoint: 000667
- to stream Main, to step Merge: 005A09
- to stream Main, to step Curation: 005742
Le document en format XML
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<front><div type="abstract">The thermal and light‐induced magnetic properties of a family of discrete magnetically switchable “nanoball” species (3 nm in diameter) is reported. The self‐assembly of these materials is accomplished by the use of the metallo building block, [Cu([Tp4‐py])(NCCH3)] ([Tp4‐py]=tris‐[3‐(4'‐pyridyl)pyrazol‐1‐yl]hydroborate), combined with a [Fe(NCX)2] (X=S, Se and BH3) species. We previously showed that the thiocyanate analogue (Fe(NCS)‐nano) undergoes a thermal and light‐induced spin crossover (SCO)—the largest such discrete SCO material reported. Now included in this family are the Se and BH3 analogues, Fe(NCSe)‐nano and Fe(NCBH3)‐nano, which show increased thermal transition temperatures (T1/2=124 K, 162 and 173 K). This variation in transition temperature over the series S</div>
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