4. Conclusion
In summary, Fe-doped La0.5Sr0.5TiO3 (La0.5Sr0.5Ti1xFexO3) (x = 0,
0.05 and 0.1) nanopowders can be successfully prepared by hydrothermal
method in 2 M KOH solution at 220 C for 24 h. The structure
of nanoparticle is perovskite with lattice constants of 3.9043,
3.9100 and 3.9045 nm for x = 0, 0.05 and 0.1, respectively. The
morphology of the products consists of the cubic, plate-like and
irregular particles with particles sizes in the range of 48–92, 75–
149 and 25–75 nm, respectively. The undoped sample exhibits
diamagnetic behavior, whereas the Fe-doped samples are
ferromagnetic having the saturation magnetizations of 0.00085–
0.0166 emu/g. The ferromagnetic behavior in Fe-doped La0.5Sr0.5-
TiO3 samples may be supported by the coupling of magnetic ions
and oxygen vacancies in lattice.
4. ConclusionIn summary, Fe-doped La0.5Sr0.5TiO3 (La0.5Sr0.5Ti1xFexO3) (x = 0,0.05 and 0.1) nanopowders can be successfully prepared by hydrothermalmethod in 2 M KOH solution at 220 C for 24 h. The structureof nanoparticle is perovskite with lattice constants of 3.9043,3.9100 and 3.9045 nm for x = 0, 0.05 and 0.1, respectively. Themorphology of the products consists of the cubic, plate-like andirregular particles with particles sizes in the range of 48–92, 75–149 and 25–75 nm, respectively. The undoped sample exhibitsdiamagnetic behavior, whereas the Fe-doped samples areferromagnetic having the saturation magnetizations of 0.00085–0.0166 emu/g. The ferromagnetic behavior in Fe-doped La0.5Sr0.5-TiO3 samples may be supported by the coupling of magnetic ionsand oxygen vacancies in lattice.
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