Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2011-10-10
Physics
Condensed Matter
Strongly Correlated Electrons
Accepted for publication in Physics Procedia (muSR2011 Conference)
Scientific paper
Recently, the mixed transition metal oxides of the form Li(Ni1-y-zCoyMnz)O2, have become the center of attention as promising candidates for novel battery material. These materials have also revealed very interesting magnetic properties due to the alternate stacking of planes of metal oxides on a 2D triangular lattice and the Li-layers. The title compound, Li(Ni0.8Co0.1Mn0.1)O2, has been investigated by both magnetometry and measurements and {\mu}+SR. We find the evolution of localized magnetic moments with decreasing temperature below 70 K. The magnetic ground state (T = 2 K) is, however, shown to be a frustrated system in 3D, followed by a transition into a possible 2D spinglass above 22 K. With further increasing temperature the compound show the presence of remaining correlations with increasing effective dimensionality all the way up to the ferrimagnetic transition at TC = 70 K.
Dahbi Mohammed
Kamazawa Kazuya
Mansson Martin
Sugiyama Jun
Wikberg Magnus J.
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