Overview of PMN-PT/Ni Heterostructure

Overview of PMN-PT/Ni Heterostructure. Note: (a) depicts orientation of PMN-PT piezoelectric substrate; (b) depicts onion state in ring, where magnetization (dashed white line) has two opposite circulations creating a magnetic field (solid grey line) similar to a miniature bar magnet; (c) depicts first onion state after the initialization with external magnetic field; and (d) depicts reorientation of magnetization in magnetoelastic Ni ring after application of electric field (yellow arrows show differential in-plane strain).

Credit: 
TANMS