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2005
Structure
D 2000
05- 003
X-Ray Diffraction Studies on the Nature of the Phase Transition in the Stoichiometric LiMn2O4. — As revealed by synchrotron powder XRD and contrary to
numerous earlier reports, the first order transition from cubic (space group Fd3m) to
orthorhombic (space group Fddd) at about 285 K is the only structural transformation
occurring in the title compound. Both phases coexist down to about 260 K. Provided
that the LiMn2O4 sample is rigorously stoichiometric, there is no transition from orthorhombic to tetragonal. — (PISZORA*, P.; PASZKOWICZ, W.; BAEHTZ, C.;
WOLSKA, E.; J. Alloys Compd. 382 (2004) 1-2, 119-122; Lab. Magnetochem.,
Adam Mickiewicz Univ., PL-60-780 Poznan, Pol.; Eng.) — W. Pewestorf
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