Results 141 to 150 of about 10,377 (181)
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MICROMAGNETIC SIMULATIONS AND APPLICATIONS
Scattering and Biomedical Engineering, 2002The development of advanced magnetic materials requires a precise understanding of the magnetic behavior. A prominent example are magnetic recording systems with an areal density exceeding 100 Gbit/in2, where both recording medium and recording heads have to meet certain characteristics [1].
T. SCHREFL +6 more
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2021
AbstractIn this chapter we report the progress made in using full-scale micromagnetic simulations for the understanding of the fundamentals of magnetic SANS. These studies take into account the nonlinearity of Brown's static equations of micromagnetics.
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AbstractIn this chapter we report the progress made in using full-scale micromagnetic simulations for the understanding of the fundamentals of magnetic SANS. These studies take into account the nonlinearity of Brown's static equations of micromagnetics.
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Micromagnetic recording process simulation
IEEE Transactions on Magnetics, 1987A dynamic model is introduced for simulating the magnetic recording process. This model has high spatial (particulate level) and temporal ( \sim10^{-9} second) resolution. The theory includes head saturation, image charge, particle magnetostatic interaction, and particle anisotropy. Several applications to barium ferrite media are presented.
J. Peng, R. Victora
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Micromagnetic simulation of iron nanorings
Journal of Magnetism and Magnetic Materials, 2005Abstract We performed a systematic study of the magnetic properties of iron nanorings with 80 nm external diameter varying the thickness in the framework of micromagnetic theory. Hysteresis loops were determined in an applied magnetic field ranging from −800 to 800 mT. The behavior of coercive field as a function of the ratio of the inner d
J.J. Torres-Heredia +2 more
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Micromagnetic simulation of taenite particles
2021<p></p><div> <div> <div>The cloudy zone (CZ), an intergrowth structure of Fe-rich and Ni-rich phases that forms during slow cooling of iron meteorites are potential recorders of&#160; their parent body&#8217;s thermal and magnetic history.
José Devienne +2 more
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Micromagnetic modeling simulations and applications
2006 17th International Zurich Symposium on Electromagnetic Compatibility, 2006The advancement in micro and nano-scale technologies demands in depth understanding of magnetic behaviors. For example, as the ever increasing need for high capacity data storage continuously pushes the boundaries of magnetic recording technology to the physical limits, detailed analysis of the magnetic properties becomes necessary. It is expected that
H.H. Long, Z.J Liu, E.T. Ong, E.P. Li
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Micromagnetic Simulations in Magnonics
2012We review the use of numerical micromagnetic simulations (“micromagnetics”) for investigations in magnonics, the study of spin waves and their quanta – magnons. We argue that, when used with suitable post-processing tools, micromagnetics provide the power and flexibility necessary both for interpretation of complex magnonic phenomena observed in ...
M. Dvornik, Y. Au, V. V. Kruglyak
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Micromagnetic simulation of precessional switching
Physica B: Condensed Matter, 2006Abstract Precessional switching of information bits may prove to be an alternative of traditional “hysteretic” switching in magnetic memory devices. The experimental studies of this new “write-in” process have manifested unwanted fluctuations, which may pose a limit to its technological applicability.
György Kádár, István Lovas
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Micromagnetic simulations of transverse recording
IEEE Transactions on Magnetics, 1991A hierarchical micromagnetic model of longitudinal thin film media has been employed to investigate the high density performance of transverse recording. The model predicts that linear densities up to 12 bits/ mu m (300 kfci) can be supported on media of 750 Oe coercivity.
J.J. Miles, B.K. Middleton
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Micromagnetic Simulation of Switching Events
2007Magnetic switching of small particles, thin film elements and magnetic nanowires becomes increasingly important in magnetic storage and magneto electronic devices. Micromagnetic switching events are studied using a hybrid finite element / boundary element method.
Thomas Schrefl +5 more
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