Magnetoelectronic spin echo

Arne Brataas, Gergely Zaránd, Yaroslav Tserkovnyak, Gerrit E.W. Bauer

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


We predict a spin echo in electron transport through layered ferromagnetic-normal-ferromagnetic metal structures: whereas a spin current polarized perpendicular to the magnetization direction decays when traversing a single homogeneous ferromagnet on the scale of the ferromagnetic spin-coherence length, it partially reappears by adding a second identical but antiparallel ferromagnet. This reentrant transverse spin current resembles the spin-echo effect in the magnetization of nuclei under pulsed excitations. We propose an experimental setup to measure the spin echo.

Original languageEnglish
JournalPhysical Review Letters
Issue number16
Publication statusPublished - 2003


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