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Title: | Structural analysis and normalised susceptibility study of Zn substituted Li-Cu Ferrite |
Authors: | Khot, Sujata S. Shinde, Neelam S. Basavaiah, N. Watawe, Shrikant C. Vaidya, Milind M. |
Keywords: | Microwave sintering X-Ray diffraction Lattice parameter AC susceptibility Curie temperature |
Issue Date: | 2014 |
Citation: | Open Access Library Journal, v.1:e697, 2014, doi: 10.4236/oalib.1100697 |
Abstract: | Lithium ferrites have attracted considerable attention because they have been used as replacements for garnets due to their low cost. A series of polycrystalline ferrite samples with the composition of LixZn0.6-2xCu0.4Fe2O4 (x = 0.05, 0.1, 0.15, 0.2, 0.25, 0.3) at different chemical reaction temperature (100℃, 125℃ and 150℃) were prepared using non-conventional microwave sintering method. The characterization was carried out using X-rays technique. The X-ray analysis confirms the formation of single phase cubic structure. The lattice parameter ranges from 8.3690 Å to 8.4653 Å . The X-ray density shows the variation as a function of temperature of synthesis. The variation of AC susceptibility with temperature shows the existence of single domain structure for x ≥ 0.2 when the chemical reaction carried at 125℃ and 150℃ and exhibits super paramagnetic structure for all the composition prepared at 100℃. The samples x ≤ 0.2 shows multidomain structure for all the samples prepared at 125℃ and 150℃. The Curie temperature obtained using the susceptibility data are found to be in the range 350℃ to 700℃. An attempt has been made to synthesis the nanoparticles at lower reaction temperature by using non-conventional microwave sintering method. |
URI: | http://localhost:8080/xmlui/handle/123456789/800 |
Appears in Collections: | SEG_Reprints |
Files in This Item:
File | Description | Size | Format | |
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BasavaiahN_etal_OALib_2014.pdf | 2.2 MB | Adobe PDF | View/Open |
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