Disorder dependent spin–orbit torques in L10 FePt single layer
نویسندگان
چکیده
منابع مشابه
Size-Dependent Chemical and Magnetic Ordering in L10-FePt Nanoparticles
FePt nanoparticles have great application potential in advanced magnetic materials such as ultrahigh-density recording media and high-performance permanent magnets. The key for applications is the very high uniaxial magnetocrystalline anisotropy of the L10-FePt phase, which is based on crystalline ordering of the face-centered tetragonal (fct) structure, described by the chemical-ordering param...
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Using the linear response formalism for the spin-orbit torque (SOT) we compute from first principles the SOT in a system of two layers of L10-FePt(001) deposited on an fcc Pt(001) substrate of varying thickness. We find that at room temperature the values of the SOTs that are even and odd with respect to magnetization generally lie in the range of values measured and computed for Co/Pt bilayers...
متن کاملStructural studies of L10 FePt nanoparticles
We have studied the lattice parameter changes of L10 FePt nanoparticles annealed to near equilibrium as a function of composition by x-ray diffraction. We have found that the ~111! diffraction peak shifts linearly with composition, however, the c parameter mostly changes in the Pt rich compositions and the a parameter mostly changes in the Fe rich compositions with respect to the equiatomic com...
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ژورنال
عنوان ژورنال: Applied Physics Letters
سال: 2020
ISSN: 0003-6951,1077-3118
DOI: 10.1063/5.0028815