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Using first-principles density functional calculations, we investigated work functions (WFs) of thin double-walled nanotubes (DWNTs) with outertube diameters ranging from 1 to 1.5 nm. The results indicate that a work function change within t...
First-principles study of the structural, energetic and electronic properties of C20-carbon nanobuds
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The structural, energetic and electronic properties of carbon nanobuds (CNBs) with the smallest fullerene C20 covalently attached to the sidewall of single-walled carbon nanotubes (SWNTs) are studied by first-principles calculations. Due to ...
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本实用新型公开了一种可升降加热器，包括传送杆，载物台，加热器和丝杠，加热器和丝杠的顶部固定连接，加热器的顶部设置有斜槽和深槽，载物台用于承载样品，载物台的底部设置有弹性定位销，侧面设置有一对侧面定位销，加热器与载物台是通过弹性定位销与斜槽和...
(adsbygoogle = window.adsbygoogle || []).push({}); Atomic layer deposition (ALD) technology is a self-limiting ultrathin film deposition method. In ALD reactions, the reaction temperature plays a key role. And generalized predictive control (GPC) algorithm is adopted to control the temperatur...
(adsbygoogle = window.adsbygoogle || []).push({}); Probe-based memory devices using ferroelectric media have the potential to achieve ultrahigh data-storage densities under high write-read speeds. However, the high-speed scanning operations over a device lifetime of 5-10 years, which correspo...