Abstract:Here we report a study of the spin dynamics in the ferromagnetic chain compound Li2CuO2. Inelastic neutron scattering measurements allow for the spin Hamiltonian to be determined using a J1 − J2 XXZ-Heisenberg spin chain model with weak inter-chain interactions. The primary exchange parameters determined from our data are qualitatively consistent with those of W. E. A. Lorentz et al. Europhys. Lett. 88, 37002 (2009), and our data allow for the resolution of additional inter-chain exchange interactions. We also… Show more
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