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Determination of Magnetic Properties of Cobalt Films Using Second Order Perturbed Heisenberg HamiltonianBy P. Samarasekara, Amila D. Ariyaratne
Abstract: The magnetic properties of hexagonal closed packed structured ferromagnetic cobalt films were investigated by means of second order perturbed Heisenberg Hamiltonian. First the number of nearest neighbors and the constants arisen from the partial summation of the dipole interactions of the structure of cobalt were calculated using some special algorithms. Minimization of the energy difference between the easy and hard direction of a memory device is very important. When the …
Published in Research & Reviews : Journal of Physics · Vol. 1, Issue 1, 2012 · pp. 16–23 Read article →