نتایج جستجو برای: gas cvd

تعداد نتایج: 261518  

Journal: :The journal of physical chemistry. A 2007
Yingbin Ge Mark S Gordon Francine Battaglia Rodney O Fox

Structures and energies of the gas-phase species produced during and after the various unimolecular decomposition reactions of methyltrichlorosilane (MTS) with the presence of H2 carrier gas were determined using second-order perturbation theory (MP2). Single point energies were obtained using singles + doubles coupled cluster theory, augmented by perturbative triples, CCSD(T). Partition functi...

Journal: :Dalton transactions 2010
Arunkumar Panneerselvam Ganga Periyasamy Karthik Ramasamy Mohammad Afzaal Mohammad A Malik Paul O'Brien Neil A Burton John Waters Bart E van Dongen

The series of nickel dichalcogenoimidodiphosphinates [Ni{(i)Pr(2)P(X1)NP(X2)(i)Pr(2)}(2)]: X1 = S, X2 = Se (1), X1 = X2 = S (2), and X1 = X2 = Se (3) have been successfully used as single-source precursors (SSPs) to deposit thin films of nickel sulfide, selenide or phosphide; the material deposited depended on both temperature and method used for the deposition. Aerosol-assisted (AA) chemical v...

2005
J. O. Choo R. A. Adomaitis G. W. Rubloff

Most conventional chemical vapor deposition sCVDd systems do not have the spatial actuation and sensing capabilities necessary to control deposition uniformity or to intentionally induce nonuniform deposition patterns for single-wafer combinatorial CVD experiments. In an effort to address these limitations, a novel CVD reactor system has been developed that can explicitly control the spatial pr...

2004

Carbon nanotubes are generally produced by three main techniques, arc discharge, laser ablation and chemical vapour deposition. Though scientists are researching more economic ways to produce these structures. In arc discharge, a vapour is created by an arc discharge between two carbon electrodes with or without catalyst. Nanotubes self-assemble from the resulting carbon vapour. In the laser ab...

ژورنال: :فرآیندهای نوین در مهندسی مواد 0
ناصر حسینی کارشناسی ارشد، گروه مهندسی مواد، دانشگاه تبریز، تبریز حسین آقاجانی استادیار، عضو هیئت علمی، گروه مهندسی مواد، دانشگاه تبریز

در این پژوهش پس از اعمال پوشش sic به روش رسوب­دهی شیمیایی فاز بخار (cvd) بر روی کامپوزیت کربن-کربن، به بررسی تاثیر پارامترهای مختلف بر سینتیک رسوب­دهی پرداخته شده است. به­منظور بررسی فازی پوشش sic از آنالیز xrd، ریز ساختار کامپوزیت کربن-کربن قبل و پس از اعمال پوشش sic از آنالیز sem و بررسی فرآورده­های جانبی فرآیند از آنالیز eds استفاده شده است. بر این اساس تاثیر پارامترهای دما، ترکیب گاز ورودی،...

Journal: :Journal of the Japan Society for Precision Engineering 1988

Journal: :Advanced Materials Interfaces 2022

Abstract Twisted bilayer graphene (tBLG) possesses various novel physical properties. Most of tBLG are fabricated by using artificial methods stacking or folding single‐layer graphene. Chemical vapor deposition (CVD) has been verified that it holds great potential for preparation large‐size high‐quality Therefore, is significant preparing in situ CVD technology. In this work, a approach develop...

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