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Article Dans Une Revue Applied Physics Letters Année : 2013

Ferroelectric control of magnetic domains in ultra-thin cobalt layers

Résumé

Non-volatile ferroelectric control of magnetic domains has been demonstrated in ultra-thin cobalt layers at room temperature. The sensitivity of magnetic anisotropy energy to the electronic structure in a few atomic layers adjacent to the interface allows for ferroelectric control of coercivity and magnetic domain dynamics. These effects have been monitored and quantified using magnetooptical Kerr effect. In particular, the regimes, where the ferroelectric domains enhance/inhibit the magnetic domain nucleation or increase/reduce domain wall velocity, have been explored. Thus, non-destructive and reversible ferroelectric domain writing provides a tool to define the magnetic domain paths, create nucleation sites, or control domain movement.
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Dates et versions

hal-01444801 , version 1 (24-01-2017)

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Z Huang, S Stolichnov, Anne Bernand-Mantel, J. Borrel, S Auffret, et al.. Ferroelectric control of magnetic domains in ultra-thin cobalt layers. Applied Physics Letters, 2013, 103 (22), pp.222902. ⟨10.1063/1.4833495⟩. ⟨hal-01444801⟩
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