Magnetism of Stripe-Ordered La_(5/3)Sr_(1/3)NiO_4

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)NiO_4. 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.

4 pages, LaTeX, 3 .eps figures; version accepted for publication in Physical Review Letters; minor revisions

References in corpus (3)

• Melting of Quasi-Two-Dimensional Charge Stripes in La5/3Sr1/3NiO4
• Charge and Spin Dynamics of an Ordered Stripe Phase in La_(1 2/3)Sr_(1/3)NiO_4 by Raman Spectroscopy
• Superconductivity, Josephson coupling and order parameter symmetry in striped cuprates

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