Magnetism of Stripe-Ordered La(5/3)Sr(1/3)NiO4
Y. Yoshinari, P. C. Hammel, S-W. Cheong
Abstract
139La nuclear magnetic resonance studies reveal markedly different magnetic properties of the two sites created by the charged domain wall formation in La(5/3)Sr(1/3)NiO4. NMR is slow compared to neutron scattering; we observe a 30 K suppression in magnetic ordering temperature indicating glassy behavior. Applied magnetic field reorients the in-plane ordered moments with respect to the lattice, but the relative orientation of the spins amongst themselves is stiff and broadly distributed.
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