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Postgrowth Irradiation of Hydrogenated Amorphous Carbon thin Films by Low-Energy Ion Beam
Kie Moon Song,Soon Joon Rho,Han Jin Ahn,Kyung Chan Kim,Hong Koo Baik,Jeoung Yeon Hwang,Yong Min Jo,Dae Shik Seo,Se Jong Lee +8 more
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TLDR
In this paper, a liquid crystal alignment property was investigated on hydrogenated amorphous carbon (a-C:H) thin films by a remote plasma-enhanced chemical vapor deposition (RPECVD) method with C2H2 and He gases.Abstract:
Liquid crystal (LC) alignment property was investigated on hydrogenated amorphous carbon (a-C:H) thin films a-C:H thin films were deposited by a remote plasma-enhanced chemical vapor deposition (RPECVD) method with C2H2 and He gases The surface property of a-C:H thin films was controlled by low-energy Ar ion beams Ion beam irradiation results in the decrease in optical band gap and transmittance, and the increase in the ID/IG ratio of a-C:H thin films LC alignment was generated by ion beam irradiation on the surface of a-C:H thin films LC alignment property was affected by ion-beam-induced anisotropic sp2 structures on the surface of a-C:H thin filmsread more
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Multiple alignment modes for nematic liquid crystals doped with alkylthiol-capped gold nanoparticles.
Hao Qi,Torsten Hegmann +1 more
TL;DR: In this paper, the ability of alkylthiol capped gold nanoparticles (Au NPs) to tune, alter, and reverse the alignment of nematic liquid crystals (LCs) has been investigated in detail.
Journal ArticleDOI
Liquid crystal alignment in advanced flat-panel liquid crystal displays
TL;DR: In this paper, the major factors controlling liquid crystal display alignment and the polymer materials used are discussed, and the mechanism governing the alignment of liquid crystal molecules on alignment layers is still not well understood.
Journal ArticleDOI
Novel alignment mechanism of liquid crystal on a hydrogenated amorphous silicon oxide.
TL;DR: The mechanism of IB-treated inorganic alignment layers is investigated and it is suggested that LCs are aligned by chemical effects, such as van der Waals interaction, more than by physical effects,Such as morphology effects, in the in organic alignment layer irradiated by IB.
Journal ArticleDOI
Structural and electrical evolution of He ion irradiated hydrocarbon films observed by conductive atomic force microscopy
Hongyu Fan,Deming Yang,Deming Yang,Li Sun,Li Sun,Qi Yang,Jinhai Niu,Zhenhua Bi,Dongping Liu,Dongping Liu +9 more
TL;DR: In this article, National Magnetic Confinement Fusion Program [2011GB108011], National Science Foundation of China [NSF-20803007, NSF-11175038, NSFs-10875025], Fundamental Research Funds for the Central Universities [DC1201010116], Funds for Young Excellent Expert by Dalian Government [2009J22DW017]
Journal ArticleDOI
The influence of helium ion irradiation on amorphous hydrocarbon films
Hongyu Fan,Li Sun,Li Sun,Deming Yang,Deming Yang,Jinhai Niu,Liping Guo,Qi Yang,Zhenhua Bi,Dongping Liu,Dongping Liu +10 more
TL;DR: The National Magnetic Confinement Fusion Program [2011GB108011] and National Science Foundation of China [NSF-20803007, NSF-11175038, NSSF-10875025] were used for magnetic confinement fusion in this article.
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Testing ultra-thin films by laser-acoustics
TL;DR: In this paper, the capability of the laser-acoustic technique was investigated to measure the Young's modulus of diamond-like carbon films with thickness down to 5 nm, which is an important mechanical property of hard films which are used for wear protection.