Epitaxial growth of M-type hexagonal ferrite films on spinel sub

Details Epitaxial growth of M-type hexagonal ferrite films on spinel sub Epitaxial growth of M-type hexagonal ferrite films on spinel sub

1977-07-05

1980-02-19

Kittle, John E.

Stock material or miscellaneous articles

Metal continuous phase interengaged with nonmetal continuous...

423DIG12, 156624, 252 6256, 350 9634, 423594, C04B 3500

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active

041895215

ABSTRACT:
M-type hexagonal ferrites whose prototype chemical formula (BaFe.sub.12 O.sub.19) contains no zinc and W-type hexagonal ferrites whose prototype chemical formula is (BaZn.sub.2 Fe.sub.16 O.sub.27) can be successfully grown by LPE on spinel substrates having appropriate lattice parameters when controlled quantities of the zinc are present in the melts from which these hexagonal ferrites are grown. Using this growth technique, composites comprising a monocrystalline magnetic M-type or W-type hexagonal ferrite film on a non-magnetic single crystalline spinel substrate are provided.

REFERENCES:
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patent: 3486937 (1969-12-01), Linares
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patent: 3897355 (1975-07-01), Arendt et al.
patent: 4057458 (1977-11-01), Maeda et al.
"Handbook of Microwave Ferrite Materials", by Aulock, Whippany, N.J., Academic Press, 1965, pp. 461, 485.
"Liquid Phase Epitaxy of Hexagonal Ferrites", by Stearns and Glass, Material Research Bulletin, vol. 10, pp. 1255-1258, 1975.
"Liquid Phase Epitaxy of Hexagonal Ferrites and Spinel Ferrites on Non-Magnetic Spinel Substrates", by Stearns & Glass, vol. 11, pp. 1319-1326, 10/1976, Materials Research Bulletin.
"Advanced Epitaxial Ferrite Devices", Pro. No. IT 161102BH57-03, Final Report, U.S. Army Research Office, Contract #DAAG29-76E-0017, 1/19/1977.

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