Rao, Vandavasi K. ; Green, Mark A. ; Pati, Swapan K. ; Natarajan, Srinivasan (2007) Synthesis, structure, and magnetic properties of a novel pillared layered iron(III) arsenate, [4,4'-bpyH2]3[Fe9(H2O)6F3(HAsO4)12(AsO4)2]·2H2O The Journal of Physical Chemistry B, 111 (44). pp. 12700-12706. ISSN 1089-5647
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp0749625
Related URL: http://dx.doi.org/10.1021/jp0749625
Abstract
A three-dimensional iron arsenate [4,4'-bpyH2]3[Fe9(H2O)6F3(HAsO4)12(AsO4)2]·2H2O, 1, has been synthesized using 4,4'-bipyridine as the templating agent under hydrothermal conditions. The structure is formed by FeO6, FeO3F3 octahedral units connected with HAsO4 and AsO4 units, forming one- and two-dimensional units in which the one-dimensional units act as a pillar. The presence of face-shared Fe-dimer units in the one-dimensional unit is noteworthy. Detailed magnetic studies indicate two possible magnetic interactions: antiferromagnetic interactions within the layer and a weak ferromagnetic polarization between the layers at very low temperatures through the Fe-dimer units.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 60823 |
| Deposited On: | 12 Sep 2011 07:19 |
| Last Modified: | 22 Jul 2012 14:54 |
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