Stabilization of the pentagonal surface of the icosahedral AlPdMn quasicrystal by controlled Si absorption

J.-N. Longchamp; M. Erbudak; Y. Weisskopf

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Stabilization of the pentagonal surface of the icosahedral AlPdMn quasicrystal by controlled Si absorption

机译：通过控制硅吸收来稳定二十面体AlPdMn准晶体的五边形表面

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The Debye-temperature of the pentagonal surface of the icosahedral AlPdMn quasicrystal (QC) is measured by means of low-energy electron diffraction after the absorption of different amounts of Si. We observe an increase of the surface Debye-temperature from 300 ± 7 K for the freshly prepared surface to 330 ± 7 K after the absorption of 60-A Si. Because the quasicrystalline order persists at the surface in spite of the diffusion of Si into the substrate, we suggest that the diffusion is dominated by a vacancy-mediated process.

机译：二十面体AlPdMn准晶体（QC）五角形表面的德拜温度是在吸收不同量的Si后通过低能电子衍射法测量的。我们观察到吸收60-A Si后，表面德拜温度从新制备的表面的300±7 K增加到330±7K。尽管Si扩散到衬底中，但由于准晶顺序仍然存在于表面，因此我们建议扩散以空位介导的过程为主。

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来源
《Applied Surface Science》 |2007年第14期|p.5947-5950|共4页
作者
J.-N. Longchamp; M. Erbudak; Y. Weisskopf;
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作者单位

Institute for Solid State Physics, ETH Zurich, CH-8093 Zurich, Switzerland;

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原文格式 PDF
正文语种 eng
中图分类应用物理学;
关键词
silicon; epitaxy; AlPdMn; quasicrystals; debye-temperature; LEED;

机译：硅;外延;AlPdMn;准晶体;德拜温度;LEED;

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机译：二十面体AlPdMn准晶体的氧化五边形表面上的CdTe和PbTe纳米结构
2. Oxygen-induced surface faceting of the threefold-symmetry surface of icosahedral AlPdMn quasicrystal [J] . S. Burkardt, M. Erbudak Surface Science . 2009,第14期

机译：氧诱导二十面体AlPdMn准晶体三重对称表面的刻面
3. Low-temperature scanning tunneling spectroscopy on the 5-fold surface of the icosahedral AlPdMn quasicrystal [J] . Widmer R, Groning O, Ruffieux P, Philosophical magazine: structure and properties of condensed matter . 2006,第6a8期

机译：二十面体AlPdMn准晶体的5倍表面的低温扫描隧道光谱
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机译：定量CB法测定AlPdMn二十面体准晶的键合电荷密度。
5. Scanning tunneling microscopy studies of surface structures of icosahedral aluminum-copper-iron quasicrystals. [D] . Cai, Tanhong. 2001

机译：二十面体铝铜铁准晶体的表面扫描隧道显微镜研究。
6. Stabilization of Size-Controlled BaTiO3 Nanocubes viaPrecise Solvothermal Crystal Growth and Their AnomalousSurface Compositional Reconstruction [O] . Kouichi Nakashima, *, Kaito Onagi, 2021

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7. An Alternative Mechanism of Heat Transport in Icosahedral $i$-AlPdMn Quasicrystals [O] . Krasavin, S. E. 2004

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Stabilization of the pentagonal surface of the icosahedral AlPdMn quasicrystal by controlled Si absorption

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