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By J.A.C. Bland, Bretislav Heinrich
The skill to appreciate and keep watch over the original homes of interfaces has created a wholly new box of magnetism, with profound effect in know-how and serving because the foundation for a revolution in electronics. Our knowing of the physics of magnetic nanostructures has additionally complex considerably. This quick improvement has generated a necessity for a accomplished therapy which may function an advent to the sector for these getting into it from assorted fields, yet that allows you to additionally function a well timed assessment for these already operating during this sector. The four-volume paintings Ultra-Thin Magnetic constructions goals to meet this twin desire. the unique volumes – now on hand once again – are An creation to the digital, Magnetic and Structural homes (this volume) and ''Measurement thoughts and Novel Magnetic Properties.'' new volumes, ''Fundamentals of Nanomagnetism'' and ''Applications of Nanomagnetism,'' extend and entire this entire paintings via providing the principles of spintronics.
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Additional info for Ultrathin Magnetic Structures I: An Introduction to the Electronic, Magnetic and Structural Properties
Example text
2 eV Jepsen et al. 40] Zhu et al. 41] Wimmer et al. 56 ^ The reduced coordination will narrow the d-bands and in general will increase the density of states at the Fermi level. 42]. g. 2/^B for Ni). The intraatomic exchange which spin-polarizes the atom is the principal factor driving a system to ferromagnetism. The factor opposing ferromagnetism is that the creation of a moment in a paramagnetic system requires that a certain number of electrons be transported from one spin band across the Fermi level to the other spin band.
14] Moruzzi et al. 13] Daalderop et al. 7). 28 2. 1c. Calculated magnetic properties of Ni compared with experiment. Magnetic moments are in /is/atom. The magnetocrystalline anisotropy energy AE is the difference E^^^ ~ ^ m ^^ /zeV/atom. 15] Moruzzi et al. 13] Anderson et al. 18] Fritsche et al. 19] Strange et al. 21] Daalderop et al. 14]. These calculations are nonrelativistic and employ the muffin-tin approximation for the potential. The exchange-only exchange-correlation potentials were obtained by optimizing them for the constituent atoms.
Also the energy lowering upon spin polarization is almost the same. Richter et al. 2 eV/atom while Fu et al. 3). Although Fu et al. did not pubHsh a band structure so that detailed comparisons could be made, the agreement of the moments indicates that the FLAPW and SCLO methods are, as for the Ni films, producing the same electronic structure for the Fe overlayer. Measurements of the magnetic moment per atom using polarized neutron reflection are discussed in chapter 6 by Bland for the Fe/Ag system.