  Electrical manipulation of skyrmions attracts considerable attention for its
rich physics and promising applications. To date, such a manipulation is
realized mainly via spin-polarized current based on spin-transfer torque or
spin-orbital torque effect. However, this scheme is energy-consuming and may
produce massive Joule heating. To reduce energy dissipation and risk of
heightened temperatures of skyrmion-based devices, an effective solution is to
use electric field instead of current as stimulus. Here, we realize an
electric-field manipulation of skyrmions in a nanostructured
ferromagnetic/ferroelectrical heterostructure at room temperature via an
inverse magneto-mechanical effect. Intriguingly, such a manipulation is
non-volatile and exhibits a multi-state feature. Numerical simulations indicate
that the electric-field manipulation of skyrmions originates from
strain-mediated modification of effective magnetic anisotropy and
Dzyaloshinskii-Moriya interaction. Our results open a direction for
constructing low-energy-dissipation, non-volatile, and multi-state
skyrmion-based spintronic devices.
