Abstract
A series of strontium ferrate compositions ranging from SrFeO2.7 to SrFeO3.0 have been produced by equilibration at oxygen pressures ranging from 0.2 to 855 atm. The stoichiometric composition SrFeO3.0 exhibits a simple cubic perovskite structure (a=3.850 Å). Ceramic disks of this material are conductive (ρ≈10−3 Ω·cm) and their temperature dependence is characteristic of metallic conduction. Magnetic measurements indicate that SrFeO3.0 is antiferromagnetic below 130°K. With increasing oxygen deficiency, specimens show increased cell constants and eventually tetragonal distortion. Decrease in the Néel temperature and increased resistivity accompany these changes.
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Dates
Type | When |
---|---|
Created | 20 years, 7 months ago (Jan. 9, 2005, 3:01 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 8, 2024, 6:59 p.m.) |
Indexed | 1 week, 1 day ago (Aug. 21, 2025, 12:47 p.m.) |
Issued | 59 years, 11 months ago (Sept. 15, 1965) |
Published | 59 years, 11 months ago (Sept. 15, 1965) |
Published Print | 59 years, 11 months ago (Sept. 15, 1965) |
@article{MacChesney_1965, title={Electric and Magnetic Properties of the Strontium Ferrates}, volume={43}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1697052}, DOI={10.1063/1.1697052}, number={6}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={MacChesney, J. B. and Sherwood, R. C. and Potter, J. F.}, year={1965}, month=sep, pages={1907–1913} }