Magnetic transformations and structural disorder in lithium manganite LiMnO2 |
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| Authors: | D. G. Kellerman N. A. Zhuravlev A. I. Kurbakov V. G. Zubkov A. P. Tyutyunnik |
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| Affiliation: | (1) Institute of Solid-State Chemistry, Ural Division, Russian Academy of Sciences, ul. Pervomaiskaya 91, Yekaterinburg, 620029, Russia;(2) St. Petersburg Nuclear Physics Institute, Russian Academy of Sciences, Gatchina, Leningrad oblast, 188350, Russia |
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| Abstract: | Investigation of the structural and magnetic characteristics of lithium manganite LiMnO2 with a variable Li/Mn ratio has been performed. A significant difference in the 7Li NMR spectra in the paramagnetic and antiferromagnetic manganite phases is revealed. It is shown that the common feature of the compositions studied is a high degree of structural disorder, which manifests itself in the presence of manganese ions in lithium positions (MnLi) and lithium ions in manganese positions (LiMn); this effect is also characteristic of the stoichiometric composition. |
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