| W(100)表面因氢吸附引起的结构相变 |
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| 引用本文： | 罗恩洲,黄荔,赵立华.W(100)表面因氢吸附引起的结构相变[J].湖南农业大学学报(自然科学版),1988,15(4). |
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| 作者姓名： | 罗恩洲 黄荔 赵立华 |
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| 作者单位： | 湖南大学应用物理系
(罗恩洲，黄荔)，湖南大学应用物理系(赵立华) |
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| 摘 要： | 本文根据朗道相变理论,讨论了W(100)表面因氢吸附引起的结构相变,求出了W(100)表面顶层W原子的位移随温度和氢复盖度的变化规律,解释了W原子沿〔110〕和〔010〕两种可能的位移方向,给出了H/W(100)系统在低复盖度下的相图.
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| 关 键 词： | 结构相变 吸附 相图 |
Structural Phase Transition on the W(100) Surface Induced by Hydrogen Adsorption |
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| Luo Enzhou,Huang Li and Zhao Lihua.Structural Phase Transition on the W(100) Surface Induced by Hydrogen Adsorption[J].Journal of Hunan Agricultural University,1988,15(4). |
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| Authors: | Luo Enzhou Huang Li and Zhao Lihua |
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| Institution: | Luo Enzhou,Huang Li and Zhao Lihua Department of Physics |
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| Abstract: | In this paper, Landau theory is used to investigate the structural phase transition on the W(100) surface induced by hydrogen adsorption. The vari ance of the lateral displacements of the top layer of W atoms With coverage and temperature is discussed and |
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| Keywords: | structural phase transition adsorption phase diagram |
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