نتایج جستجو برای: assisted deposition

تعداد نتایج: 221136  

2015
Yangxi Song Bin Li Siwei Yang Guqiao Ding Changrui Zhang Xiaoming Xie

Boron nitride (BN) aerogels are porous materials with a continuous three-dimensional network structure. They are attracting increasing attention for a wide range of applications. Here, we report the template-assisted synthesis of BN aerogels by catalyst-free, low-pressure chemical vapor deposition on graphene-carbon nanotube composite aerogels using borazine as the B and N sources with a relati...

2017
Bernd Rauschenbach Andriy Lotnyk Lena Neumann David Poppitz Jürgen W. Gerlach

The assistance of thin film deposition with low-energy ion bombardment influences their final properties significantly. Especially, the application of so-called hyperthermal ions (energy <100 eV) is capable to modify the characteristics of the growing film without generating a large number of irradiation induced defects. The nitrogen ion beam assisted molecular beam epitaxy (ion energy <25 eV) ...

2002
Zhong-Min Ren Yong-Feng Lu Zhi-Feng He

Synthesis of carbon nitride has been an important topic in materials science since 1993. Ion-assisted pulsed laser deposition is proven to be a good method to deposit carbon nitride thin films. Both amorphous and crystal -C3N4 layers can be deposited on many substrates. A standard experimental set-up comprises a pulsed KrF excimer laser (wavelength 248 nm, duration ∼30 ns) that is used to ablat...

Journal: :Nanotechnology 2009
I Zardo L Yu S Conesa-Boj S Estradé Pierre Jean Alet J Rössler M Frimmer P Roca I Cabarrocas F Peiró J Arbiol J R Morante A Fontcuberta I Morral

Silicon nanowires have been grown with gallium as catalyst by plasma enhanced chemical vapor deposition. The morphology and crystalline structure has been studied by electron microscopy and Raman spectroscopy as a function of growth temperature and catalyst thickness. We observe that the crystalline quality of the wires increases with the temperature at which they have been synthesized. The cry...

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