Magnetic Properties of La(0.9)A(0.1)MnO(3) (A: Li, Na, K) Nanopowders and Nanoceramics


Nanocrystalline La(0.9)A(0.1)MnO(3) (where A is Li, Na, K) powders were synthesized by a combustion method. The powders used to prepare nanoceramics were fabricated via a high-temperature sintering method. The structure and morphology of all compounds were characterized by X-ray powder diffraction (XRD) and scanning electron microscopy (SEM). It was found that the size of the crystallites depended on the type of alkali ions used. The high-pressure sintering method kept the nanosized character of the grains in the ceramics, which had a significant impact on their physical properties. Magnetization studies were performed for both powder and ceramic samples in order to check the impact of the alkali ion dopants as well as the sintering pressure on the magnetization of the compounds. It was found that, by using different dopants, it was possible to strongly change the magnetic characteristics of the manganites.



subject category

Materials Science


Gluchowski, P; Nikonkov, R; Tomala, R; Strek, W; Shulha, T; Serdechnova, M; Zheludkevich, M; Pakalaniskis, A; Skaudzius, R; Kareiva, A; Abramov, A; Kholkin, A; Bushinsky, MV; Karpinsky, D

our authors


This project has received funding from the European Union's Horizon 2020 research and innovation programme under theMarie Sklodowska-Curie grant agreement No 778070 -TransFerr -H2020-MSCA-RISE-2017. The work was developed within the scope of the project CICECO-Aveiro Institute of Materials, refs.UIDB/50011/2020 & UIDP/50011/2020, financed by national funds through the FCT/MEC.

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