Interlayer Magnetic Frustration in Quasi-stoichiometric Li1-xNi1+xO2
E. Chappel, M. D. Nunez-Regueiro, S. de Brion, G. Chouteau, V., Bianchi, D. Caurant, N. Baffier
TL;DR
This study investigates magnetic frustration in Li1-xNi1+xO2 caused by excess Ni ions, revealing a new frustration mechanism and discussing potential orbital liquid states, with experimental data compared to NaNiO2.
Contribution
It introduces a novel mechanism of magnetic frustration due to excess Ni ions in Li1-xNi1+xO2 and explores the possibility of an orbital liquid state in this compound.
Findings
Magnetic frustration is induced by excess Ni ions in Li layers.
Experimental measurements differ from those in NaNiO2, highlighting unique magnetic properties.
Potential realization of an orbital liquid state in Li1-xNi1+xO2 is discussed.
Abstract
Susceptibility, high-field magnetization and submillimeter wave electron spin resonance measurements of layered quasi-stoichiometric Li1-xNi1+xO2 are reported and compared to isomorphic NaNiO2. A new mechanism of magnetic frustration induced by the excess Ni ions always present in the Li layers is proposed. We finally comment on the possible realization of an orbital liquid state in this controversial compound.
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