Spin Dynamics in an Ordered Stripe Phase

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  • 30 November 1996
Abstract
Inelastic neutron scattering has been used to measure the low-energy spin excitations in the ordered charge-stripe phase of La(2)NiO(4+d) with d=0.133. The spin-wave-like character of the excitations is shown to be similar to the spin fluctuations observed in superconducting La(2-x)Sr(x)CuO(4). Evidence for incipient charge stripes in a d=0.105 sample is shown to have relevance for understanding spin correlations in YBa(2)Cu(3)O(6.6) and possibly Nd(2-x)Ce(x)CuO(4).

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