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	Preparation and characterization of fluoroalkylsilane self-assembled monolayers on magnetic head surfaces
	Hu Xiaoli ; Luo Jianbin ; Wen Shizhu
	2010-05-10 ; 2010-05-10
关键词	Experimental/ aggregation atomic force microscopy binding energy bonds (chemical) contact angle magnetic heads nucleation organic compounds secondary ion mass spectra self-assembly time of flight spectra X-ray photoelectron spectra/ fluoroalkylsilane self-assembled monolayers magnetic head surfaces hydrophobicity anticontamination ability hydroxyl group 1H,1H,2H,2H-perfluorodecyltriethoxysilanes time-of-flight secondary ion mass spectrometer TOF SIMS X-ray photoelectron spectroscopy XPS atomic force microscopy AFM binding energy monolayer deposit C-O-Si bond morphology low-coverage nucleation regime aggregation regime coalescence regime water contact angle H/sub 2/O/ A6817 Monolayers and Langmuir-Blodgett films A6855 Thin film growth, structure, and epitaxy A7960G Photoelectron spectra of composite surfaces/ H2O/bin H2/bin H/bin O/bin
中文摘要	The hydrophobicity and anti-contamination ability of magnetic head surfaces were improved using self-assembly of silane with a hydroxyl group to form a self-assembled monolayer of 1H,1H,2H,2H-perfluorodecyltriethoxysilanes on the magnetic head. A time-of-flight secondary ion mass spectrometer (TOF-SIMS) , X-ray photoelectron spectroscopy (XPS), an atomic force microscopy (AFM), and contact angle measurements were used to characterize the monolayer. A component centered at a binding energy of 287. 905 eV in the XPS spectra suggests that the monolayer deposit on the magetic head surface with the C-O-Si bond. Comparison between the film thicknesses for various reaction times using TOF-SIMS and the corresponding morphologies using the AFM shows that the monolayer forms through four regimes in the growth process, a low-coverage nucleation regime, an intermediate coverage regime, an aggregation regime, and a coalescence regime. The experimental results show that an ultrathin smooth monolayer, with a thickness of (1.20 +/- 0.01)nm, Ra of less than 0.2nm and a water contact angle of 110.5 degrees +/- 0.1 degrees , can be prepared on the magnetic head surface by controlling the reaction time and that this ultra-thin film considerably improves the hydrophobicity of the magnetic head surface.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/25353]
专题	清华大学
推荐引用方式 GB/T 7714	Hu Xiaoli,Luo Jianbin,Wen Shizhu. Preparation and characterization of fluoroalkylsilane self-assembled monolayers on magnetic head surfaces[J],2010, 2010.
APA	Hu Xiaoli,Luo Jianbin,&Wen Shizhu.(2010).Preparation and characterization of fluoroalkylsilane self-assembled monolayers on magnetic head surfaces..
MLA	Hu Xiaoli,et al."Preparation and characterization of fluoroalkylsilane self-assembled monolayers on magnetic head surfaces".(2010).

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