The electric field tuning characteristics of a combined microwave resonator based on ferrite-
ferroelectric layered structure have been studied in a wide range of bias magnetic fields. The
combined ferrite-ferroelectric resonator was composed of two rectangular resonators
fabricated from a ceramic barium strontium titanate (BST) slab and a single-crystal yttrium
iron garnet (YIG) film. The in-plane dimensions for the YIG and BST resonators were chosen
to be equal in order to maximize the electromagnetic coupling between their main modes …