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Five Layered FCC Ferromagnetic Films as Described by Modified Second Order Perturbed Heisenberg Hamiltonian

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dc.contributor.author Samarasekara, P.
dc.contributor.author Warnakulasooriya, B.I.
dc.date.accessioned 2017-03-07T09:23:43Z
dc.date.available 2017-03-07T09:23:43Z
dc.date.issued 2016
dc.identifier.citation Samarasekara, P. and Warnakulasooriya, B.I. (2016). Five Layered FCC Ferromagnetic Films as Described by Modified Second Order Perturbed Heisenberg Hamiltonian. Journal of Science of the University of Kelaniya Sri Lanka. 11, pp. 11-21. en_US
dc.identifier.uri
dc.identifier.uri http://repository.kln.ac.lk/handle/123456789/16686
dc.description.abstract For the first time, the 2nd order perturbed Heisenberg Hamiltonian with all the seven magnetic energy parameters was solved for fcc structured ferromagnetic films with five layers. Previously, the 2nd order perturbed Heisenberg Hamiltonian was solved for four layered ferromagnetic films under some special assumptions by us. However, the exact solution of 2nd order perturbed Heisenberg Hamiltonian without any special assumption is formulated in this manuscript. The magnetic easy and hard directions were determined using the angles corresponding to the energy minimum and maximum in the 3-D and 2-D plots. The shape of the 3-D plots doesn’t change with the number of layers except the position of spikes. However, the magnetic easy direction varies with the number of layers. Most of the theoretical data obtained by our model agree with the experimental data of ferromagnetic thin films. en_US
dc.language.iso en en_US
dc.publisher University of Kelaniya en_US
dc.subject Heisenberg Hamiltonian en_US
dc.subject ferromagnetic en_US
dc.subject thin films en_US
dc.subject spin en_US
dc.title Five Layered FCC Ferromagnetic Films as Described by Modified Second Order Perturbed Heisenberg Hamiltonian en_US
dc.type Article en_US


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