Autor: |
Jean-Marie Lehn, G Vaughan, Esther Breuning, Mario Ruben, P. Gütlich, Vadim Ksenofontov |
Rok vydání: |
2004 |
Předmět: |
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Zdroj: |
Journal of Magnetism and Magnetic Materials. :E715-E717 |
ISSN: |
0304-8853 |
DOI: |
10.1016/j.jmmm.2003.12.1423 |
Popis: |
The magnetism of a series of tetranuclear complexes of the [ Fe II 4 L 4 ]( BF 4 ) 8 [2×2] -grid-type was investigated, revealing the occurrence of spin-transition (ST) behavior within this class of compounds. The phenomenon depends directly on the nature of the substituent R1 of the ligand L . All FeII ions in compounds with R1 substituents favoring strong ligand fields ( R 1 = H ; OH ) remain completely in the diamagnetic low-spin state. Only the complex bearing R1=Ph exhibits thermally induced ST behavior. |
Databáze: |
OpenAIRE |
Externí odkaz: |
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