Evidence of Magnetic Correlations Among the Charge Stripe Electrons of   Charge-Stripe Ordered La2NiO4.11
  The magnetic excitations of charge-stripe ordered La2NiO4.11 where investigated using polarized- and unpolarized-neutron scattering to determine the magnetic excitations of the charge stripe electrons. We observed a magnetic excitation mode consistent with the gapped quasi-one-dimensional antiferromagnetic correlations of the charge stripe electrons previously observed in La(2-x)Sr(x)NiO(4) x = 1/3 and x = 0.275. 
P. G. Freeman, S. M. Hayden, R. A. Mole, M. Enderle, D. Prabhakaran   and A. T. Boothroyd
cond-mat.str-el