Synthesis and characterization of γ-Fe2O3—a magnetic tape material

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Synthesis and characterization of γ-Fe2O3—a magnetic tape material

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dc.contributor.author Anantharaman, M R
dc.contributor.author Seshan, K
dc.contributor.author Chakrabarty, D K
dc.contributor.author Keer, H V
dc.date.accessioned 2014-08-01T10:03:48Z
dc.date.available 2014-08-01T10:03:48Z
dc.date.issued 1981-02-20
dc.identifier.uri http://dyuthi.cusat.ac.in/purl/4419
dc.description Bull. Mater. Sci,, Vol, 3, Number 3, November 1981, pp. 275-280. en_US
dc.description.abstract Acicular FeC~O4-2H20 was precipitated from glycerol and starch media. Thermal decomposition of this oxalate in dry and moist nitrogen yielded primarily FeO and Fe 3Oa respectively. Characterization was attempted through DTA, TG, x-ray diffraction, TEM and magnetization studies. It was found that the oxalate can be completely decomposed to FeaO~ in moist nitrogen (PH~o ,"-" 35 torr) at 775 K and then oxidised by dry air to acicular "/-Fe~Oa at 575 K. The resulting material has saturation magnetization (,-,., 70 emu/g), coercive field (N300 Oe) and squareness ratio ( ,~, 0-60-0-65), which values art comparable with those of the commercial samples en_US
dc.description.sponsorship CUSAT en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject magnetic tape materials en_US
dc.subject synthesis of "/-Fe~Oa en_US
dc.subject magnetization. en_US
dc.title Synthesis and characterization of γ-Fe2O3—a magnetic tape material en_US
dc.type Article en_US


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