Abstract
Single crystals of the spinel-type LiMn 2O 4 have been successfully grown by a solvent evaporation flux method at 1173 K. The maximum size of the octahedral-shaped single crystal is 0.09×0.09×0.09 mm 3 along the octahedral edges. The single-crystal X-ray diffraction study confirmed the cubic Fd 3 ̄ m space group and the lattice parameter of a=8.2483(6 ) A ̊ of the as-grown single crystal at 297 K. The preliminary single-crystal low temperature X-ray diffraction experiments confirmed the cubic–orthorhombic structure transition around 285 K on the cooling process. The tripled periodicity toward the a- and b-axis directions of the low temperature form has been also confirmed.
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