MOVPE生长有限间隙纳米锥结构

IF 0.3 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Lithuanian Journal of Physics Pub Date : 2020-01-05 DOI:10.3952/physics.v59i4.4133

J. Novák, P. Eliáš, S. Hasenöhrl, A. Laurenčíková, P. Urbancová, D. Pudiš

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引用次数: 1

摘要

研究了磷化镓纳米锥之间自由空间的减小和限制。采用金属有机气相外延法(MOVPE)在610 ~ 690℃的温度范围内生长了一组纳米锥体样品。我们的研究结果表明，通过高密度的金种子和优化的生长温度的适当组合，可以获得纳米锥体之间自由空间非常有限的纳米结构表面。生长温度的选择所调节的横向生长速率和纵向生长速率的组合对纳米锥体六角形基部的扩大起着非常重要的作用，这有助于减少锥体之间的空间。纳米锥之间自由空间的限制增加了边缘产生的可能性，这对二维材料的成功生长非常有帮助。

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Nanocone structures with limited interspace grown by MOVPE

Reduction and limitation of free spaces between the gallium phosphide nanocones was studied. A set of nanocone samples was grown by metal organic vapour phase epitaxy (MOVPE) in the temperature range between 610 and 690°C. Our results showed that by an appropriate combination of a high density of gold seeds and an optimized growth temperature it was possible to obtain a nanostructured surface with very limited free spaces between the nanocones. A combination of lateral and vertical growth rates regulated by the selection of growth temperature played a very important role in the nanocone hexagonal base enlargement, which helped to minimize spaces between the cones. The limitation of free space between the nanocones increased a probability of edge creation that is very helpful for the successful growth of 2D materials.

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来源期刊

Lithuanian Journal of Physics 物理-物理：综合

CiteScore

0.90

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： The main aim of the Lithuanian Journal of Physics is to reflect the most recent advances in various fields of theoretical, experimental, and applied physics, including: mathematical and computational physics; subatomic physics; atoms and molecules; chemical physics; electrodynamics and wave processes; nonlinear and coherent optics; spectroscopy.