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用横断面透射电子显微术(TEM)研究了用键合方法获得的SOI材料的界面结构。绝缘层二氧化硅和硅膜的厚度非常均匀,Si膜/SiO2以及SiO2/Si基体的界面平直且结合紧密,在界面上没有观察到缺陷和孔洞。
The interface structure of the SOI material obtained by the bonding method was investigated by cross-sectional transmission electron microscopy (TEM). The thicknesses of the insulating layers of silicon dioxide and silicon are very uniform, and the interface between the Si film / SiO2 and the SiO2 / Si substrate is flat and closely bonded, and no defects and voids are observed at the interface.