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2008 | 114 | 2 | 375-382
Article title

Influence of Simultaneous Doping of Li^+ and Fe^{3+} Ions in the LiMn_2O_4 Spinel Structure

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EN
Abstracts
EN
A series of compounds Li_xMn_{3-x-y}Fe_yO_4 (x=1.0125;0≤y≤0.05) were synthesized by solid state reaction of Li_2CO_3 with the manganese oxide or iron-manganese oxide precursors. Investigations of the structure transformation effect of double substitution with Li^+ and Fe^{3+} ions in LiMn_2O_4, in the temperature range of 10-300 K, were undertaken using high-resolution X-ray powder diffraction at the HASYLAB (DESY) synchrotron. The Li_{1.0125}Mn_{1.9625}Fe_{0.025}O_4 transforms from cubic (Fd3̅ m) to orthorhombic (Fddd) below 250 K, and is stable to 10 K. Whereas in the Li_{1.0125}Mn_{1.9375}Fe_{0.05}O_4 oxide no phase transition was observed, this spinel remains in cubic structure down to the temperature of 10 K.
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Year
Volume
114
Issue
2
Pages
375-382
Physical description
Dates
published
2008-08
received
2007-09-24
Contributors
author
  • Department of Materials Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, PL-60-780 Poznań, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv114n208kz
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