If the electric conductivity of the inner layer was very small (such as metal Ti), as though it was a sandwich structured film, its GMI effect was weak, the result was in agreement with experimental results.

• 如果两层磁性材料中间夹导电性能很弱的金属材料(比如Ti),即使是三明治结构薄膜,其巨磁阻抗效应也是很小的,与实验结果取得一致。