|
|||||
|
|
Spectroscopic and magnetic properties of Fe3Fe4(AsO4)6 |
|
| Authors: | R.C. Mercader M. Weil |
| Affiliation: | a Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, and IFLP (CONICET), 1900 La Plata, Argentina b Centro de Química Inorgánica (CEQUINOR/CONICET, UNLP), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 1900 La Plata, Argentina c Institut für Chemische Technologien und Analytik, Abt. Strukturchemie, Technische Universität Wien, A-1060 Wien, Austria |
| Abstract: | The infrared (IR) and 57Fe-Mössbauer spectra of Fe3IIFe4III(AsO4)6 were recorded and analyzed on the basis of its structural characteristics. The IR spectrum presents a high complexity, showing an important number of bands and splittings, as a consequence of the presence of three structurally independent AsO43− groups. The analysis of the four quadrupole signals shown by the Mössbauer spectrum allowed to attain a detailed insight into the cation distribution over the available crystallographic sites. The alternating current susceptibility measurements indicate a paramagnetic to ferrimagnetic transition in the material at about 59 K. |
| Keywords: | A. Inorganic compounds C. Infrared spectroscopy C. Mö ssbauer spectroscopy D. Magnetic properties |
| 本文献已被 ScienceDirect 等数据库收录！ | |