Real-Time Observation of Collector Droplet Oscillations during Growth of Straight Nanowires
Citations Over TimeTop 11% of 2014 papers
Abstract
A liquid droplet sitting on top of a pillar is crucially important for semiconductor nanowire growth via a vapor-liquid-solid (VLS) mechanism. For the growth of long and straight nanowires, it has been assumed so far that the droplet is pinned to the nanowire top and any instability in the droplet position leads to nanowire kinking. Here, using real-time in situ scanning electron microscopy during germanium nanowire growth, we show that the increase or decrease in the droplet wetting angle and subsequent droplet unpinning from the growth interface may also result in the growth of straight nanowires. Because our argumentation is based on terms and parameters common for VLS-grown nanowires, such as the geometry of the droplet and the growth interface, these conclusions are likely to be relevant to other nanowire systems.
Related Papers
- → Metal-catalyzed semiconductor nanowires: a review on the control of growth directions(2010)250 cited
- → Preparation and photoluminescence properties of amorphous silica nanowires(2001)170 cited
- → Fundamental Strategy for Creating VLS Grown TiO2 Single Crystalline Nanowires(2012)32 cited
- → Real-Time Observation of Collector Droplet Oscillations during Growth of Straight Nanowires(2014)19 cited
- Growth and characterisation of ZnSe semiconductor nanowires(2011)