نتایج جستجو برای: chemical deposition

تعداد نتایج: 454324  

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2009
J E Butler Y A Mankelevich A Cheesman Jie Ma M N R Ashfold

In this paper we review and provide an overview to the understanding of the chemical vapor deposition (CVD) of diamond materials with a particular focus on the commonly used microwave plasma-activated chemical vapor deposition (MPCVD). The major topics covered are experimental measurements in situ to diamond CVD reactors, and MPCVD in particular, coupled with models of the gas phase chemical an...

Journal: :Applied and environmental microbiology 1990
L I Sly M C Hodgkinson V Arunpairojana

The deposition of manganese in a water distribution system with manganese-related "dirty water" problems was studied over a 1-year period. Four monitoring laboratories with Robbins biofilm sampling devices fitted to the water mains were used to correlate the relationship among manganese deposition, the level of manganese in the water, and the chlorination conditions. Manganese deposition occurr...

2014
Chang-Ho Choi Brian K. Paul Chih-Hung Chang

State-of-the-art techniques for the fabrication of compound semiconductors are mostly vacuum-based physical vapor or chemical vapor deposition processes. These vacuum-based techniques typically operate at high temperatures and normally require higher capital costs. Solution-based techniques offer opportunities to fabricate compound semiconductors at lower temperatures and lower capital costs. A...

2015
Mewlude Imam Konstantin Gaul Andreas Stegmueller Carina Höglund Jens Jensen Lars Hultman Jens Birch Ralf Tonner Henrik Pedersen Andreas Stegmüller

Mewlude Imam, Konstantin Gaul, Andreas Stegmueller, Carina Höglund, Jens Jensen, Lars Hultman, Jens Birch, Ralf Tonner and Henrik Pedersen, Gas phase chemical vapor deposition chemistry of triethylboron probed by boron-carbon thin film deposition and quantum chemical calculations, 2015, Journal of Materials Chemistry C, (3), 41, 10898-10906. http://dx.doi.org/10.1039/c5tc02293b Copyright: Royal...

2017
Meike Koenig Joerg Lahann

While the traditional and popular realm of polymer synthesis is the liquid phase, the use of vapor-based techniques to deposit polymers has been met with increasing interest over the past decades. The perhaps most relevant example, the deposition of poly(p-xylylenes) via the Gorham process, has been of industrial use in the fabrication of isolating or protective coatings in electronics and biom...

This paper is an attempt to synthesize nanostructured tantalum films on medical grade AISI 316L stainless steel (SS) using pulsed DC plasma assisted chemical vapor deposition (PACVD). The impact of duty cycle (17-33%) and total pressure (3-10 torr) were studied using field emission scanning electron microscopy (FESEM), grazing incidence x-ray diffraction (GIXRD), nuclear reaction analysis (NRA)...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1389

در سال 1991 دانشمندی به نام سومیو ایجیما به طور کاملاً اتفاقی، ساختار دیگری از کربن را کشف و تولید کرد که خواص منحصر به فردی دارد. وی در ابتدا این ساختار را نوعی فولرن تصور نمود که در یک جهت کشیده شده است. اما بعدها متوجه شد که این ساختار، خواص متفاوتی از فولرن ها دارد و به همین دلیل آن را، نانولوله ی کربنی نامید. چنانچه نانولوله کربنی فقط شامل یک لوله از گرافیت باشد، نانولوله تک دیواره و اگر شا...

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