| 石墨价带结构及其与过渡金属镍的相互作用 |
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| 引用本文： | 罗春平,齐上雪,李楠,林彰达.石墨价带结构及其与过渡金属镍的相互作用[J].物理学报,1990,39(9):1435-1440. |
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| 作者姓名： | 罗春平 齐上雪 李楠 林彰达 |
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| 作者单位： | 中国科学院物理研究所,北京100080 |
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| 摘 要： | 用XPS和UPS技术细致地研究了石墨的价带结构,并与Painter等人计算的结果相比较。在石墨上蒸镀镍后,碳原子与镍原子相互作用,在石墨表面形成一层碳化镍。从镀镍后的AES谱可看到碳化镍的Auger特征峰,碳化镍的形成,使C 2Px,y轨道上升到费密能级下5eV附近,而2Px轨道则上升到靠近费密能级处。
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| 关 键 词： | 石墨 价带结构 镍 相互作用 |
| 收稿时间： | 1989-10-18 |
INVESTIGATION OF THE VALENCE-BAND STRUCTURE OF GRAPHITE AND THE INTERACTION OF GRAPHITE WITH NICKEL |
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| LUO CHUN-PING,QI SHANG-XUE,LI NAN and LIN ZHANG-DA.INVESTIGATION OF THE VALENCE-BAND STRUCTURE OF GRAPHITE AND THE INTERACTION OF GRAPHITE WITH NICKEL[J].Acta Physica Sinica,1990,39(9):1435-1440. |
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| Authors: | LUO CHUN-PING QI SHANG-XUE LI NAN and LIN ZHANG-DA |
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| Abstract: | The valence-band structure of graphite was investigated by UPS and XPS, and the result was compared with theoretical result of Painter et al. Due to the interaction of C-atom with Ni-atom, Ni3C was observed after vapor deposition of Ni on graphite surface. The C 2px,y orbital is raised up to 5eV below the Fermi lever, while the C 2px orbital is approaching the Fermi lever closely after formation of Ni3C. |
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