Download Magnetic Properties of Antiferromagnetic Oxide Materials: by Lamberto Duo, Marco Finazzi, Franco Ciccacci PDF
By Lamberto Duo, Marco Finazzi, Franco Ciccacci
This primary targeted remedy on a sizzling subject highlights basic features in addition to technological purposes coming up from a desirable quarter of condensed subject physics. The editors have first-class music documents and, in mild of the broadness of the subject, preserve the point of interest on antiferromagnetic oxides. They therefore hide such themes as dichroism in x-ray absorption, non-magnetic substrates, alternate bias, ferromagnetic-antiferromagnetic interface coupling and oxide multilayers, in addition to imaging utilizing smooth x-ray microscopy.The result's a truly well timed monograph for good kingdom physicists and chemists, fabrics scientists, electric engineers, physicists in undefined, actual laboratory technicians, and providers of sensors.
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Additional resources for Magnetic Properties of Antiferromagnetic Oxide Materials: Surfaces, Interfaces, and Thin Films
Example text
The field of view in the three images is 4 × 4 µm2 . A domain coarsening going from panel (b) to (c) is visible. The direction of the magnetization in domains appearing dark or bright is indicated by the arrows. In panel (a), the 180◦ domain walls are sufficiently wide (δ ≈ 240 nm) to reveal the spin structure of the wall in the upper half of panel (a), obtained by using a 90◦ spin polarization of the primary electron beam of the microscope. Reprinted figure with permission from [85]. Copyright (2007) by the American Physical Society.
Mag, 41, 792. C. (1950) Ferromagnetism: magnetization curves. Rep. Prog. Phys, 13, 83. Kittel, C. (1949) Physical theory of ferromagnetic domains. Rev. Mod. Phys, 21, 541. B. (1986) in 3d, 4d, and 5d Elements, Alloys and Compounds, Landolt-B¨ornstein, New Series, Group III, Vol. 19, Pt. a(ed. Wijn), Springer, Berlin, p. 34. P. (1987) Random-field model of exchange anisotropy at rough ferromagnetic-antiferromagnetic interfaces. Phys. Rev. B, 35, 3679. D. (1997) Exact ground-state properties of disordered Ising systems.
JAFM and m are the values of the superexchange coupling constant and of the local magnetic moments in the AFM material, respectively. Reprinted figure with permission from [51]. 2004, by the American Physical Society. in the FM and in the AFM layer exhibit a small canting from the 90◦ coupling that vanishes away from the interface but induces a small magnetization in the AFM layer. The spin-flop ground state was also suggested to lead to exchange bias [49], a result that was later confuted by a more accurate model describing the spin dynamics in terms of moment precession rather than energy minimization [50].