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Faulted Structures In Li Ion Exchanged Namo2 (M=Ni(0.25)Mn(0.75)), Aaron M. Dewahl
Faulted Structures In Li Ion Exchanged Namo2 (M=Ni(0.25)Mn(0.75)), Aaron M. Dewahl
Dissertations, Master's Theses and Master's Reports - Open
A family of LiMO2 materials (M=Ni0.25Mn0.75) was prepared from Na1.2-xLixMO∂ precursors (0≤x≤0.6) via ion exchange. The resulting IE products were examined via XRD and compared to simulated XRD patterns produced using DIFFax to determine the defect structures resulting from the IE process. For the 0.1≤x≤0.6 materials, it is observed that there are 3 LiMO2 sub-phases with different Li contents present. As the amount of Li in the precursor increases, the amount of each phase changes resulting in a net shift to higher 2-theta; corresponding to an overall decrease in lattice …