通过磁性测量发现，未还原的样品并没有出现室温铁磁性，而还原之后的样品则出现了比较微弱的室温铁磁性。
Through magnetic measurements we found that the sample that did not reduce didn't show magnetic while the sample after reduction appeared relatively weak magnetic properties.
它是一种具有还原层和未还原层、驱动位移极大的新型驱动材料。
It is a new kind of large displacement actuating materials composed of reduced and unreduced layers.
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