Rajadurai, Chandrasekar ; Falk, Karsten ; Ostrovsky, Sergei ; Enkelmann, Volker ; Haase, Wolfgang ; Baumgarten, Martin (2005) 1-D coordination chains of Cu(hfac)2 and Mn(hfac)2 bridged by phenyl-nitronylnitroxide derivatives Inorganica Chimica Acta, 358 (12). pp. 3391-3397. ISSN 0020-1693
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Official URL: http://doi.org/10.1016/j.ica.2005.06.020
Related URL: http://dx.doi.org/10.1016/j.ica.2005.06.020
Abstract
Two alternating 1-D metal-radical linear [L:Cu(hfac)2]n and zig-zag [L:Mn(hfac)2]n chains (where L = 4-trimethylsilylethynyl-1-(4,4,5,5-tetramethyl-3-oxylimidazoline-1-oxide)benzene) and hfac = hexafluoroacetylacetonate) are described and characterized by X-ray diffraction of their crystals. Bulk magnetic measurements of L:Cu(hfac)2 indicated a ferromagnetic interaction with J = 6 cm−1 and L:Mn(hfac)2 yielded ferrimagnetic interactions with J = −95 cm−1. For the latter, a strong increase of their magnetic moment at lowest temperatures was observed only at very low static magnetic field, while for Hdc > 0.05 T saturation effect led to a downward slope after reaching a maximum.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier B.V. |
| Keywords: | One Dimensional Chains; Nitronylnitroxides; Metal-radical Approach; Magnetism; Cu(Hfac)2; Mn(Hfac)2. |
| ID Code: | 117449 |
| Deposited On: | 23 Apr 2021 08:57 |
| Last Modified: | 23 Apr 2021 08:57 |
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