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A composite mover device constructed with both hydrogen storage and giant magnetostrictive alloy thin films on each side surface of polyimide substrate were prepared by flash vacuum evaporation and DC magnetoron sputtering process, respectively. Although the composite mover device was about 750ppm before hydrogenation, it was about 1150ppm after hydrogenation. The hydrogenation induced strain was approximately corresponded to that of magnetized sample.

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