We fabricated a microcavity -a magneto-optical (MO) film and an electro-optical (EO) film are sandwiched between two Bragg mirrors (BMs)- for development of magneto-optical spatial light modulators driven by electric field (e-MOSLMs). We used (Bi0.5Dy0.7Y1.8)3(Fe3.3Al1.7)5O12 as a MO film and (Pb91La9)1(Zr65Ti35)1O3 (PLZT) as an EO film. The samples showed enhanced Faraday rotation loops and electrical polarization loops, simultaneously. The X-ray diffraction patterns, MO and EO characteristics were measured. Experimental results showed that EO and MO films were successfully formed between BMs.