New PDF release: Advanced Magnetic Nanostructures

By D.J. Sellmyer, Ralph Skomski

ISBN-10: 0387233091

ISBN-13: 9780387233093

Complex Magnetic Nanostructures is dedicated to the fabrication characterization, experimental research, theoretical figuring out, and usage of complicated magnetic nanostructures. the point of interest is on a number of forms of 'bottom-up' and 'top-down' man made nanostructures, as contrasted to clearly taking place magnetic nanostructures comparable to iron-oxide inclusions in magnetic rocks, and to buildings equivalent to excellent skinny movies

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1, it is the energy necessary to deflect the magnetic moment in a single crystal from the easy to a hard direction. The main contribution to the anisotropy is magnetocrystalline anisotropy. The easy and hard directions arise from the interaction of the spin magnetic moment with the crystal lattice that is due to spin-orbit coupling. In crystals, the magnetocrystalline anisotropy energy is given by a series expansion in terms of the angles between the direction of magnetization and the crystal axes (Ch.

The calculated intercluster exchange interactions shows both ferromagnetic and aniferromagnetic exchange between clusters, and the values of exchange at short distances is of the order of interatomic exchange in the bulk cobalt. The spin-glass type behavior in this and similar systems arises from frustration. This is very likely responsible for the lowering of the magnetization with the increase of cobalt concentration from 10 to 50% [9 11. Nanostructured permanent magnets use the idea of mixing soft magnetic materials and hard magnetic materials in a composite structure.

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Advanced Magnetic Nanostructures by D.J. Sellmyer, Ralph Skomski

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