نتایج جستجو برای: magnetic anisotropy

تعداد نتایج: 363696  

2015
N. S. Safron B. D. Schrag Xiaoyong Liu Weifeng Shen D. Mazumdar M. J. Carter Gang Xiao

Articles you may be interested in Material parameters and thermal stability of synthetic ferrimagnet free layers in magnetic tunnel junction nanopillars J. Exchange biased CoFeB-MgO tunnel junctions at the onset of perpendicular anisotropy with in-plane/out-of-plane sensing capabilities Effect of free layer thickness and shape anisotropy on the transfer curves of MgO magnetic tunnel junctions W...

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2014
Piotr Błoński Jürgen Hafner

The structural and magnetic properties of mixed PtCo, PtFe, and IrCo dimers in the gas phase and supported on a free-standing graphene layer have been calculated using density-functional theory, both in the scalar-relativistic limit and self-consistently including spin-orbit coupling. The influence of the strong magnetic moments of the 3d atoms on the spin and orbital moments of the 5d atoms, a...

Introduction: The response variability between subjects, which is one of the fundamental challenges facing transcranial direct current stimulation (tDCS), can be investigated by understanding how the current is distributed through the brain. This understanding can be obtained by means of computational methods utilizing finite element (FE) models. Materials and Methods: In this study, the effect...

2009
L. Wu F. Toffoletto R. A. Wolf C. Lemon

[1] We present initial results from an equilibrium code that has been modified to include the effect of anisotropic pressures. This equilibrium code uses a frictional technique to iterate a set of modified MHD equations to equilibrium. We describe the modifications made to the original isotropic equilibrium code, including changes to the initial conditions that include a procedure to enforce th...

2017
Ralph Skomski

I . I N T R O D U C T I O N Magnetic anisotropy caused by itinerant electrons in bulk materials and thin films has attracted considerable attention in recent years. Examples are the phenomenon of pcrpendicular thin-film anisotropy relevant to magnetooptical recording [ 11 and the 3d contribution to the magnetocrystalline anisotropy of permanent magnets such as SmCoj and Nd2Fel4B [2, 31. Apart f...

Journal: :Journal of the Magnetics Society of Japan 1988

2010
Samir Lounis Peter H. Dederichs

Mapping the magnetic exchange interactions from model Hamiltonian to density-functional theory is a crucial step in multiscale modeling calculations. Considering the usual magnetic force theorem but with arbitrary rotational angles of the spin moments, a spurious anisotropy in the standard mapping procedure is shown to occur provided by bilinear like contributions of high-order spin interaction...

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