OALib Journal期刊
ISSN: 2333-9721
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Interaction of Co with Si and SiO_2 during RTA Co与Si和SiO_2在快速热退火中的反应
Chen Weide/Institute of Semiconductors, Academia Sinica, Laboratory for Surface Physics, Academia Sinica, BeijingCui Yude/Institute of Semiconductors, Academia Sinica, Laboratory for Surface Physics, Academia Sinica, BeijingXu Zheujia/Institute of Semiconductors, Academia Sinica, Laboratory for Surface Physics, Academia Sinica, BeijingTao Jiang/Institute of Microelectronics, Peking University, 陈维德, 崔玉德, 许振嘉, 陶江
Keywords: Co,Si,RTA,AES 钴,硅,快速退火,俄歇电子谱,SiO2
Abstract:
利用四探针、AES、XRD、XPS和SEM等技术研究了快速热退火中Co与Si和SiO_2反应动力学、相序、层的形貌。测量了薄层电阻与退火温度和时间的关系。结果表明,随退火温度的升高,淀积在硅衬底上的钴膜逐步转变为Co_2Si、CoSi_(?)最后完全转化为CoSi_2。CoSi_2对应的电阻率最低。Co与SiO_2不会反应,即使在1050℃的高温下也没有观察到任何形成钴硅化物的证据。
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