Samarasekara, P.2013-06-242013-06-242009Ceylon Journal of Science (Physical Sciences), 15:p.65-69https://dl.nsf.gov.lk/handle/1/9843PhysicsMagnetic propertiesFerromagnetic filmsAnisotropiesEnergyHeisenberg HamiltonianThick ferromagnetic films and anisotropies explained by second order perturbed Heisenberg HamiltonianA