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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Mahana, Sudipta Marri, Subba R. Behera, J. N. Topwal, Dinesh |
| Copyright Year | 2017 |
| Abstract | Cobalt and magnesium sulfates of the compositions, [C4N2H12]2[Co3F2(SO4)3(H2O)2], (1) and [NH4]2[Mg3(OH)2(SO4)3(H2O)2], (2), respectively, have been synthesized under hydro/solvothermal conditions, and are characterized by IR spectra, elemental analysis, powder X-ray diffraction (PXRD), energy-dispersive X-ray spectroscopy (EDX), thermogravimetric analysis (TGA), and X-ray single-crystal diffraction. 1 and 2 crystallized in the orthorhombic space groups Pnma and Cmc2 respectively. While 1 is templated by the organic piperazinium cation, 2 is obtained in the presence of ammonium ions. The layered structures are formed by the diamond chains comprising of M3(μ3-OH/F)2 units (M = Co: 1, Mg: 2). Magnetic studies of 1 reveal its ferromagnetic nature with a transition at 10.8 K and show it does not exhibit spin-glass freezing. Isothermal magnetization shows a hysteresis loop at 2.5 K with a coercive field of 1200 Oe and remnant magnetization of 0.1μB. A sharp λ-like anomaly is also seen in the heat capacity curve, favoring long range magnetic ordering below Tc. |
| Starting Page | 1105 |
| Ending Page | 1111 |
| Page Count | 7 |
| File Format | HTM / HTML PDF |
| ISSN | 14779226 |
| Volume Number | 46 |
| Issue Number | 4 |
| Journal | Dalton Transactions |
| DOI | 10.1039/c6dt04142f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Pnma Magnesium Water of crystallization Rheinmetall MG 3 X-ray crystallography Energy-dispersive X-ray spectroscopy Thermogravimetric analysis Neutron diffraction Orthorhombic crystal system Ion Ammonium BMW M3 Ferromagnetism Hysteresis Coercivity Properties of water |
| Content Type | Text |
| Resource Type | Article |
| Subject | Inorganic Chemistry |
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