The morphology, composition and magnetism of the final productswere characterized by SEM, TEM, VSM and XRD.

• 产物的形态、组成及磁性用了扫描电子显微镜(SEM)、透射电子显微镜(TEM)、振荡样品磁力计(VSM)、X-射线粉末衍射(XRD)等仪器进行了表征。