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Exchange bias and anisotropy in the Fe/KCoF3 structure |
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| Authors: | Leszek Malkinski Nicholas Cramer Andrew Hutchison Robert Camley Zbigniew Celinski Danuta Skrzypek Ron B. Goldfarb |
| Affiliation: | a Department of Physics, University of Colorado at Colorado Springs, 1420 Austin Bluffs Parkway, Colorado Springs, CO 80918, USA b Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, 02-668 Warszawa, Poland c Institute of Physics, University of Silesia, Uniwersytecka 4, Katowice 40-007, Poland d National Institute of Standards and Technology, Boulder, CO 80305, USA |
| Abstract: | A new type of ferromagnet/antiferromagnet structure (Fe/KCoF3) was deposited by molecular beam epitaxy. Unidirectional and uniaxial anisotropies of 5.1 and 3.4 kA/m were measured at 23 K using ferromagnetic resonance. Magnetization measurements at 5 K showed a hysteresis loop shift of 6 kA/m due to exchange bias. Significant enhancement of four-fold anisotropy was found at low temperatures in the samples with polycrystalline KCoF3 structure. |
| Keywords: | Multiaxial anisotropy Uniaxial anisotropy Unidirectional anisotropy Exchange anisotropy Exchange biasing Multilayer thin films |
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