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|Title:||Influence of fuel ratios on auto combustion synthesis of barium ferrite nano particles|
|Publisher:||INDIAN ACADEMY SCIENCES|
|Citation:||JOURNAL OF CHEMICAL SCIENCES,118(1)15-21|
|Abstract:||Single-domain barium ferrite nano particles have been synthesized with narrow particle-size distribution using an auto combustion technique. In this process, citric acid was used as a fuel. Ratios of cation to fuel were maintained variously at 1:1, 1:2 and 1:3. The pH was 7 in all cases. Of all three cases, a cation to citric acid ratio of I : 2 gives better yield in the formation of crystalline and single domain particles with a narrow range of size distribution. Most particles are in the range of 80 to 100 nm. Maximum magnetization and coercivity values are also greater for I : 2 ratios. These values measured at room temperature are found to be 55 emu/gram and 5000 Oe respectively. XPS and ESR studies support the results.|
|Appears in Collections:||Proceedings papers|
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