Graphoepitaxial Self-Formation of Single Crystal Arrays Using Topologically Designed Electrostatic Fields and Charged Molecular Fluxes.

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Tác giả: Bardia Aliabadian, Gernot Ecke, Bernd Hähnlein, Nishchay A Isaac, Heiko O Jacobs, Feitao Li, Jörg Pezoldt, Johannes Reiprich, Theresa Scheler, Leslie Schlag

Ngôn ngữ: eng

Ký hiệu phân loại: 133.594 Types or schools of astrology originating in or associated with a

Thông tin xuất bản: United States : ACS nano , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 745498

The ability to locally engineer semiconducting structures enables the development of next generation nanoscale devices and photonics. Contrary to the widely used selective area epitaxy, an alternative approach for localized single crystal growth on noncrystalline substrates is presented. Individual growth positions are defined by topological design of an electrostatic field above the substrate guiding the material transport of unipolar charged molecules to the nucleation and growth positions. In this way, the topologically designed electric field imprints the geometrical pattern for graphoepitaxial crystallite growth. After nucleation, the growth evolves into vertical growth of three-dimensional high aspect ratio towers tipped with single crystal copper oxide. The demonstrated graphoepitaxial method allows for the facile growth of advanced 3D material structures on noncrystalline substrates.
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