Magnetic excitations in La${}_{1.5}$Sr${}_{0.5}$CoO${}_4$

L. M. Helme, A. T. Boothroyd, D. Prabhakaran +3

We report magnetization and neutron scattering measurements of the half-doped compound La${}_{1.5}$Sr${}_{0.5}$CoO${}_4$, which exhibits a checkerboard pattern of charge ordering below ~…