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Structural study of the electron-doped manganites Sm.sub.0.1./sub.Ca.sub.0.9./sub.MnO.sub.3./sub. and Pr.sub.0.1./sub.Sr.sub.0.9./sub.MnO.sub.3./sub.: Evidence of phase separation

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    0132687 - FZU-D 20000242 RIV US eng J - Journal Article
    Martin, C. - Maignan, A. - Heriveu, M. - Raveau, B. - Jirák, Zdeněk - Savosta, S. S. - Kurbakov, A. - Trounov, V. - Andre, G. - Bourée, F.
    Structural study of the electron-doped manganites Sm0.1Ca0.9MnO3 and Pr0.1Sr0.9MnO3: Evidence of phase separation.
    [Strukturní studium elektronově dopovanych manganitů Sm0.1Ca0.9MnO3 a Pr0.1Sr0.9MnO3 : Prokázání fázově separovaného stavu.]
    Physical Review. B. Roč. 62, č. 10 (2000), s. 6442-6449. ISSN 0163-1829
    R&D Projects: GA ČR GA202/99/0413
    Institutional research plan: CEZ:AV0Z1010914
    Keywords : Sm0.1Ca0.9MnO3 * Pr0.1Sr0.9MnO3 * phase separation
    Subject RIV: BM - Solid Matter Physics ; Magnetism
    Impact factor: 3.065, year: 2000

    Two perovskite manganites with the same carrier concentration have been studied by neutron diffraction and electron microscopy. For Sm0.1Ca0.9MnO3, the magnetic state consists of small ferromagnetic domains embedded in the antiferromagnetic G-type matrix. The analogous compound Pr0.1Sr0.9MnO3 exhibits an intergrowth of G and C-types antiferromagnetic layers

    Dva perovskitové manganity se stejnou koncentrací nositelů byly studovány neutronou difrakcí a elektronovou mikroskopií. Magnetický stav Sm0.1Ca0.9MnO3 sestává z malých feromagnetických oblastí obsažených v antiferomagnetické matrici G-typu. V analogické sloučenině Pr0.1Sr0.9MnO3 dochází k vrstvení antiferromagnetických oblastí G a C- typů
    Permanent Link: http://hdl.handle.net/11104/0030694

     
     
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