Heterostructures and superlattices in one-dimensional nanoscale semiconductors
Heterostructures and superlattices in one-dimensional nanoscale semiconductors
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DOI：
10.1039/b902300c
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发表时间：
2009-08
影响因子：
--
通讯作者：
X. Fang;Y. Bando;U. Gautam;T. Zhai;S. Gradečak;D. Golberg
中科院分区：
文献类型：
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作者：
X. Fang;Y. Bando;U. Gautam;T. Zhai;S. Gradečak;D. Golberg
一维（1D）半导体纳米结构由于其在研究材料物理性质的尺寸和维度依赖性以及构建纳米级电子和光电器件方面的潜力而引起人们的主要兴趣。在一维纳米半导体中异质结构和超晶格的设计和控制方面的最新进展为新器件概念打开了大门。由两种或更多种重要功能材料组成的一维异质结构对于揭示独特性质至关重要，对于开发潜在的纳米电子和光电器件至关重要。另一方面，在单个纳米结构内控制孪晶超晶格的生长可以促进带隙工程并揭示新的电子行为。此外，一个有吸引力的挑战是在单个纳米结构内实现整个生长控制，例如，以制备具有可调节的孪晶间距的高度可再现的周期性孪晶超晶格。这篇重点文章回顾了该领域最近的一些关键进展，并概述了需要立即研究和开发的潜在未来领域。
One-dimensional (1D) semiconductor nanostructures are of prime interest due to their potentials in investigating the size and dimensionality dependence of the materials’ physical properties and constructing nanoscale electronic and optoelectronic devices. Recent advances in the design and control of heterostructures and superlattices in 1D nanoscale semiconductors have opened the door to new device concepts. 1D heterostructures consisting of two or more important functional materials are of prime importance for revealing unique properties and essential for developing potential nanoelectronic and optoelectronic devices. On the other hand, the controlled growth of twinned superlattices within a single nanostructure could facilitate bandgap engineering and reveal novel electronic behaviours. In addition, an attractive challenge is to achieve the entire growth control within an individual nanostructure, e.g. to make highly reproducible, periodically twinned superlattices with an adjustable twin spacing. This Highlight article reviews some recent key advances in the field and outlines potential future areas that require immediate research and development.