Synthesis and characterization of La0.7Sr0.3Mn1-xTixO3 manganites

被引:13
作者
Yanchevskii, O. Z.
V'yunov, O. I.
Belous, A. G.
Tovstolytkin, A. I.
Kravchik, V. P.
机构
[1] Natl Acad Sci Ukraine, Vernadskii Inst Gen & Inorgan Chem, UA-03680 Kiev, Ukraine
[2] Natl Acad Sci Ukraine, Inst Magnetism, UA-03142 Kiev, Ukraine
关键词
D O I
10.1134/S1063783406040159
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The structural, electrical and magnetic properties of the La0.7Sr0.3Mn1-xTixO3 system characterized by rhombohedral lattice distortions are studied. Substitution of titanium for manganese weakens ferromagnetism and leads to an increased resistivity. Using x-ray Rietveld full-profile refinement data and ferromagnetic resonance spectra, it is demonstrated that titanium substitution for manganese occurs with charge compensation according to the equation Mn4+ -> Ti4+ and with a simultaneous decrease in the oxygen nonstoichiometry as the value of x increases.
引用
收藏
页码:709 / 716
页数:8
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