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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 19, Number 5
BKCSDE 19(5)
May 20, 1998

Title	Microstructure, Electrical Property and Nonstoichiometry of Light Enhanced Plating(LEP) Ferrite Film
Author	Don Kim*, Choong Sub Lee, Yeong Il Kim
Keywords
Abstract	A magnetic film was deposited on a slide glass substrate from aqueous solutions of FeCl2 and NaNO2 at 363 K. XRD analysis showed that the film was polycrystalline magnetite (Fe3(1-δ)O4) without impurity phase. The lattice constant was 0.8390 nm. Mossbauer spectrum of the film could be deconvoluted by the following parameters: isomer shifts for tetrahedral(Td) and octahedral(Oh) sites are 0.28 and 0.68 mm/s, respectively, and corresponding magnetic hyperfine fields are 490 and 458 kOe, respectively. The estimated chemical formula of the film by the peak intensity of Mossbauer spectrum was Fe2.95O4. Low temperature transition of the magnetite (Verwey transition) was not detected in resistivity measurement of the film. Properties of the film were discussed with those of pressed pellet and single crystal of synthetic magnetites. On the surface of the film, magnetite particles of about 0.2 μm in diameter were identified by noncontact atomic force microscopy (NAFM) and magnetic force microscopy(MFM).
Page	533 - 538
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