Effect of nonstoichiometry on the magnetic and electrical properties of synthetic single crystal Fe2.4Ti0.6O4
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Effect of nonstoichiometry on the magnetic and electrical properties of synthetic single crystal Fe2.4Ti0.6O4
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1994
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Geophyical Research Letters (American Geophysical Union)
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Article
Abstract
A single crystal of titanomagnetite Fe2.4Ti0.6O4 (TM60) was synthesized using the floating zone technique. The Curie temperature, saturation magnetization at 5 K, and thermopower were measured for several pieces of the crystal as grown and following high temperature annealing at different oxygen fugacities within the stability field of the TM60. The magnetic and electrical data indicate that long-range ordering in TM60 is a function of nonstoichiometry with higher cation vacancy concentrations producing a more random cation distribution. This effect may explain the differences among cation distribution models for TM developed previously by other workers.
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This research is supported by NSF contracts EAR-901789 and EAR-9219621 and is contribution 9401 of the Institute for Rock Magnetism. The IRM is funded by grants from the Keck and National Science Foundations and the University of Minnesota.
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10.1029/94GL00877
Previously Published Citation
Wanamaker, B. J. and B. M. Moskowitz (1994). "Effect of nonstoichiometry on the magnetic and electrical properties of synthetic single crystal Fe2.4Ti0.6O4." Geophysical Research Letters 21: 983–986.
Suggested citation
Wannamaker, B.J.; Moskowitz, Bruce. (1994). Effect of nonstoichiometry on the magnetic and electrical properties of synthetic single crystal Fe2.4Ti0.6O4. Retrieved from the University Digital Conservancy, 10.1029/94GL00877.
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