| Ni,Pd和Pt的表面应力 |
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| 引用本文： | 范希庆,万钧,申三国.Ni,Pd和Pt的表面应力[J].物理学报,1997,46(10):1978-1983. |
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| 作者姓名： | 范希庆 万钧 申三国 |
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| 作者单位： | 郑州大学物理工程学院 |
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| 摘 要： | 半经验的修正嵌入原子方法用于Ni，Pd和Pt的低指数面的表面应力计算，得到了与第一原理计算相符合的结果．给出了（110）表面［110］方向的应力是［001］方向应力的两倍左右；阐明了应力各向异性是所有fc金属（110）面的一般特性．预言了Pd和Pt（100）的表面应力的大小．
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| 关 键 词： | 修正嵌入原子法 表面应力 镍 铅 铂 |
| 收稿时间： | 1996-11-22 |
STRESS ON THE Ni,Pd AND Pt SURFACES |
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| FAN XI-QING,WAN JUN and SHEN SAN-GUO.STRESS ON THE Ni,Pd AND Pt SURFACES[J].Acta Physica Sinica,1997,46(10):1978-1983. |
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| Authors: | FAN XI-QING WAN JUN and SHEN SAN-GUO |
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| Abstract: | The semiempirical modified embedded atom method has been applied to calculate the surface stress on the low index surfaces of fcc metals Ni,Pd and Pt,and the results are in agreement with that of the first principle calculation.The surface stress on fcc(110) surface along the 110] direction is about twice as large as in the 001] direction;and this indicates that the anisotropy of the surface stress is a characteristic of (110) surface of fcc metals.In addition,the magnitudes of the surface stresses on Pd and Pt(100) surfaces have been predicted. |
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