| 高压下Al0.77Mn0.19Yb0.04合金准晶T相形成及结构 |
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| 引用本文： | 许大鹏,宿欣堂,禹日成,苏文辉,幸志明.高压下Al0.77Mn0.19Yb0.04合金准晶T相形成及结构[J].高压物理学报,1993,7(2). |
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| 作者姓名： | 许大鹏 宿欣堂 禹日成 苏文辉 幸志明 |
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| 作者单位： | 1. 吉林大学稀土固体物理教研室，吉林长春 130023；2. 四平师范学院物理系，吉林四平 136000；3. 中国高等科学技术中心（世界实验室），凝聚态和辐射物理分中心，北京 100080 |
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| 摘 要： | 利用静高压（4.2 GPa）熔态（1 300 ℃）淬火（102 ℃/s）方法，对含稀土的铝锰合金Al0.77Mn0.19Yb0.04进行了研究。首次发现了准晶T相得形成。利用选区透射电子衍射技术，对合金中准静态的结构对称性进行了观察和分析。根据X射线和电子衍射对其衍射峰进行了指标化。使用扫描电镜和能谱技术进行了成份分析。
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| 关 键 词： | AlMnYb 准晶T相 静高压 熔态淬火 |
| 收稿时间： | 1992-04-13; |
The Structure and Formation of Al0.77Mn0.19Yb0.04 Quasi-crystal by Quenching Technique under Static High Pressure |
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| XU Da-Peng,SU Xin-Tang,YU Ri-Cheng,SU Wen-Hui,XING Zhi-Ming.The Structure and Formation of Al0.77Mn0.19Yb0.04 Quasi-crystal by Quenching Technique under Static High Pressure[J].Chinese Journal of High Pressure Physics,1993,7(2). |
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| Authors: | XU Da-Peng SU Xin-Tang YU Ri-Cheng SU Wen-Hui XING Zhi-Ming |
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| Institution: | 1. Group of Rare Earth Solid State Physics, Jilin University, Changchun 130023, China;2. Department of Physics, Siping Normal College, Siping 136000, China;3. Center for Condensed Matter and Radiation Physics, CCAST (World Laboratory), Beijing 100080, China |
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| Abstract: | The T-phase quasi-crystal containing rare earth element of Al0.77Mn0.19Yb0.04 alloy has been obtained by the quenching (100 ℃/s) technique at fusion state (1 300 ℃) under static high pressure (4.2 GPa). The symmetry pattern of the quasi-crystal structure was observed and analyzed by selected area transmission electron diffraction technique; indices of the diffraction peak were obtained via XRD and electron diffraction method; the content each component was obtained from SEM and energy spectrum technique. |
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| Keywords: | AlMnYb T-quasi-crystal high pressure quenching of fusion state |
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