Classical Heisenberg Hamiltonian Solution of Oriented Spinel Ferrimagnetic Thin Films

Abstract

The classical Heisenberg Hamiltonian was solved for oriented spinel thin and thick cubic ferrites. The dipole matrix of complicated cubic cell could be simplified into the form of dipole Matrix of simple cubic cells. This study was confined only to the highly oriented thin films of ferrite. The variation of total energy of Nickel ferrite thin films with angle and number of layers was investigated. Also the change of energy with stress induced anisotropy for Nickel ferrite films with N=5 and 1000 has been studied. Films with the magnetic moments ratio 1.86 can be easily oriented in 90 direction when N is greater than 400.

18-pages, 4-figures, 3-tables

Cited by in corpus (9)

• Magnetic anisotropy dependence of the energy of oriented thick ferromagnetic films
• Thick ferromagnetic films and their anisotropies as described by second order perturbed Heisenberg Hamiltonian
• Third Order Perturbed Heisenberg Hamiltonian of Thick Spinel Ferrite Films
• Easy Axis orientation of Ferromagnetic Films as Described by Third Order Perturbed Heisenberg Hamiltonian
• Demagnetization factor dependence of energy of thick ferromagnetic films
• Easy axis orientation of Strontium ferrite thin films described by spin reorientation
• Effect of demagnetization factor dependence on energy of ultra-thin ferromagnetic films with four layers
• Magnetic properties of Cobalt films described by second order perturbed Heisenberg Hamiltonian
• Second order perturbed Heisenberg Hamiltonian of Fe3O4 ultra-thin films