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Magnetic order and frustrated dynamics in Li(Ni0.8Co0.1Mn0.1)O-2: a study by mu+SR and SQUID magnetometry
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
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2012 (English)In: 12TH INTERNATIONAL CONFERENCE ON MUON SPIN ROTATION, RELAXATION AND RESONANCE (MUSR2011), 2012, 202-205 p.Conference paper, Published paper (Refereed)
Abstract [en]

Recently, the mixed transition metal oxides of the form Li(Ni1-y-zCoyMnz)O-2, 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)O-2, 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 spin-glass 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 T-C = 70 K.

Place, publisher, year, edition, pages
2012. 202-205 p.
Series
Physics Procedia, 30
Keyword [en]
Muon-spin relaxation/rotation (mu+SR), frustrated magnetism, battery materials
National Category
Natural Sciences Engineering and Technology
Research subject
Engineering Science with specialization in Solid State Physics
Identifiers
URN: urn:nbn:se:uu:diva-185679DOI: 10.1016/j.phpro.2012.04.073ISI: 000309552100047OAI: oai:DiVA.org:uu-185679DiVA: diva2:572370
Conference
12th International Conference on Muon Spin Rotation, Relaxation and Resonance (muSR), MAY 16-20, 2011, Cancun, MEXICO
Available from: 2012-11-27 Created: 2012-11-27 Last updated: 2013-03-04Bibliographically approved

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Wikberg, J. Magnus

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