Journal Article Research Support, Non-U.S. Gov't 1K09F3G675 7782-42-5 Bulk magnetism Ferric Compounds Ferromagnetism Graphite Intercalation Magnetoelectric effects Polymers Research Support, U.S. Gov't, Non-P.H.S. Reversible Li-chemistry Review Spinel ferrite composite solid polymer electrolytes current density ferric oxide field-effect transistors gating mechanisms ink-jet printing inorganic semiconductors logic electronics porous semiconductors printed electronics vertical field-effect transistors