نتایج جستجو برای: gas cvd
تعداد نتایج: 261518 فیلتر نتایج به سال:
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...
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...
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...
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...
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،...
Low Temperature CVD Grown Graphene for Highly Selective Gas Sensors Working under Ambient Conditions
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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