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
来源：
PHYSICS OF THE SOLID STATE | 2006年 / 48卷 / 04期
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.
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收藏
页码：709 / 716
页数：8
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