Classical Heisenberg Hamiltonian Solution of Oriented Spinel Ferrimagnetic Thin Films

Details Classical Heisenberg Hamiltonian Solution of Oriented Spinel Ferrimagnetic Thin Films Classical Heisenberg Hamiltonian Solution of Oriented Spinel Ferrimagnetic Thin Films

2007-04-19

arxiv.org/abs/0704.2456v1

Physics

Condensed Matter

Other Condensed Matter

18-pages, 4-figures, 3-tables

Scientific paper

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.

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