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Solid-state synthesis and magnetic properties of epitaxial FePd3(0 0 1) films |
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| Authors: | V.G. Myagkov V.S. Zhigalov B.A. Belyaev L.E. Bykova L.A. SolovyovG.N. Bondarenko |
| Affiliation: | a Kirensky Institute of Physics, SB RAS, 660036 Krasnoyarsk, Russia b Reshetnev Siberian State Aerospace University, 660014 Krasnoyarsk, Russia c Institute of Chemistry and Chemical Technology, SB RAS, 660049 Krasnoyarsk, Russia |
| Abstract: | The solid-state synthesis of magnetically soft phase FePd3 in epitaxial Pd(0 0 1)/Fe(0 0 1)/MgO(0 0 1) film systems was studied experimentally. The system had a Fe to Pd ratio of 1:3. An increase to 450 °C leads to the formation of three variants of ordered L10-FePd crystallites. At 500 °C, the solid-state reaction of unreacted Pd with L10-FePd crystallites initiates the growth of an ordered epitaxial L12-FePd3(0 0 1) layer. When annealing at 650 °С, a gradual disordering is observed. The magnetic anisotropy (K1=−2.0×103 erg/cm3) and the saturation magnetization (MS=650 emu/cm3) of the disordered FePd3 phase were determined. |
| Keywords: | Fe-Pd system Thin film Solid-state synthesis Order-disorder transformation Magnetic anisotropy |
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