Neutron diffraction and inelastic scattering studies have been carried out on a single crystal of BaCo0.82Ni0.18S2. Analyses of the form factor show that the system is in the high spin state. Two-dimensional nature of the magnetic system has clearly been shown from the q-dependence of the magnetic excitations both above and below TN. It is shown that a random phase treatment can roughly describe characteristics of the magnetic excitations above TN.
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)