Confinement of one-dimensional electrons in dimer row segments at Ge/Si(001) surfaces

H. Hirayama

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Confinement of one-dimensional electrons in dimer row segments at Ge/Si(001) surfaces

机译：一维电子在Ge / Si（001）表面的二聚体行段中的约束

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During the initial growth, Si(001) surfaces were covered by thin Ge wetting layers. At the wetting layer surfaces, Ge atoms were reconstructed into dimers, which were aligned along the [110] direction to form one-dimensional (1D) 'dimer rows'. In addition, the dimer rows were partitioned by dimer vacancy lines at the Ge/Si(001) surfaces. As a result, the surfaces were covered spontaneously by an array of 1D dimer row segments. Scanning tunneling microscope images demonstrated that the 1D free-electrons in the dimer rows are confined in each segment and form an ultra-high density array of 1D quantum wells at the surfaces.

机译：在初始生长期间，Si（001）表面被薄薄的Ge润湿层覆盖。在润湿层表面，Ge原子被重建为二聚体，沿[110]方向排列以形成一维（1D）“二聚体行”。另外，二聚体行由Ge / Si（001）表面上的二聚体空位线隔开。结果，表面被一维二聚体行节段的阵列自然覆盖。扫描隧道显微镜图像显示，二聚体行中的一维自由电子被限制在每个段中，并在表面形成一维超高密度的一维量子阱阵列。

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来源
《Science and Technology of Advanced Materials》 |2004年第4期|p.517-520|共4页
作者
H. Hirayama;
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作者单位

Department of Materials Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuda, Midori-ku, Yokohama 226-8502, Japan;

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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
Ge/Si; surface; scanning tunneling microscope; one-dimensional electronic states; quantum well;

机译：Ge / Si;表面;扫描隧道显微镜;一维电子态;量子阱;

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1. Confinement of one-dimensional electrons in dimer row segments at Ge/Si(001) surfaces [J] . Science and technology of advanced materials . 2004,第4期

机译：一维电子在Ge / Si（001）表面的二聚体行段中的约束
2. Co-adsorption Patterns Of Nh_3 On Si(001): Comment On 'the Ordering Of The Adsorbed Nh_3 Molecules Across The Si Dimer Rows On The Si(001) Surface' [J] . J.H.G. Owen, D.R. Bowler Surface Science . 2008,第24期

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3. Electronic control of kink propagation at Ge(001) surface with STM: A perspective on the article: Flip motion of heterogeneous buckled dimers on Ge(001) by electron injection from STM tip by K. Tomatsu et al. [J] . H. Ueba Surface Science . 2009,第6期

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5. Computer simulations of the structure, stability and phase transitions of diatomic molecules physisorbed on ionic surfaces: the carbon monoxide/magnesium oxide(001), nitrogen/magnesium oxide(001) and nitrogen/sodium chloride(001) systems. [D] . Sallabi, Abdulwahab K. 2002

机译：离子表面上物理吸附的双原子分子的结构，稳定性和相变的计算机模拟：一氧化碳/氧化镁（001），氮/氧化镁（001）和氮/氯化钠（001）系统。
6. Structurally driven one-dimensional electron confinement in sub-5-nm graphene nanowrinkles [O] . Hyunseob Lim, Jaehoon Jung, Rodney S. Ruoff, -1

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机译：使共轭分子与氢化Ge（001）表面上的表面悬挂键二聚体接触可以成像隐藏的基态电子态

Confinement of one-dimensional electrons in dimer row segments at Ge/Si(001) surfaces

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