Fig. 7: Topological magneto-electric effect inductors.

a Micrographs of Ni₄₅Fe₅₅ inductor elements as fabricated by physical vapor deposition. Reprinted from ref. ⁷⁶, with the permission of AIP Publishing. b Theoretical schematic of a novel inductor structure that utilizes antiferromagnetically ordered ferromagnetic islands on the surface to induce magneto-electric responses and transduce energy⁷⁵. c The current density on the surface of a topological inductor near the antiferromagnetically ordered islands showing the current forming a vortex⁷⁵. d Table comparing various state-of-the-art inductor technologies illustrating the potential of topological materials in passive magnetic electronic devices.⁷⁵. Reprinted by permission from ref. ⁷⁵, copyright 2017.