نتایج جستجو برای: نانوکامپوزیت al2o3ceo2 nio
تعداد نتایج: 6421 فیلتر نتایج به سال:
Alloying nickel oxide (NiO) with lithium oxide (Li2O) at high Li concentrations may reduce NiO's band gap and expand its use as a light absorber in photocatalytic and tandem dye-sensitized solar cell technologies. In this work, we evaluate the viability of this alloy as a p-type hole transport material. We use embedded cluster models, along with unrestricted Hartree-Fock and complete active spa...
NiO nanoparticles were administered to rat lungs via intratracheal instillation or inhalation. During pulmonary toxicity caused by NiO nanoparticles, the induction of oxidative stress is a major factor. Both intratracheal instillation and inhalation of NiO nanoparticles induced pulmonary oxidative stress. The oxidative stress response protein, heme oxygenase-1 (HO-1), was induced by the adminis...
Introduction: Nickel (Ni) and nickel compounds are widely used in industry, radiotherapy and nanomedicine. However, the toxicity of NiO nanoparticles is yet to be fully elucidated. In this study, we evaluated the toxicity of NiO and NiO nanoparticles (NiONPs) using basic medical diagnostic tools, such as biochemical tests and histopathological changes of liver in rats. Methods: In this experim...
A new process for fabricating NiO exchange bias layers has been developed. The process involves the direct ion beam sputtering (IBS) of a NiO target. The process is simpler than other deposition techniques for producing NiO buffer layers, and facilitates the deposition of an entire spin-valve layered structure using IBS without breaking vacuum. The layer thickness and temperature dependence of ...
The topographic and magnetic structures of patterned 20-nm-thick Fe films grown on Si (001), polycrystalline NiO, and SiO2 substrates are compared by scanning tunneling microscopy/magnetic force microscopy measurements under ultrahigh vacuum conditions to investigate the influence of the different substrates. Iron grows as a polycrystalline film. The size of the crystallites decreases from Si t...
Polypyrrole (PPy) encapsulated 3D flower-like NiO was prepared to investigate the role of PPy coating for high-performance electrodes. NiO@PPy showed a better electrochemical performance than pure NiO, and a "trade-off effect" between electrical conductivity and ion diffusion resistance was observed with different PPy coating thickness.
Concentration of engineered nickel oxide nanoparticle (NiO-NP) in nature is on the rise, owing to large scale industrial uses, which have accreted the scope of its exposure to plants, the primary producers of the ecosystem. Though an essential micronutrient for the animal system, supported by numerous studies confirming its toxicity at higher dosages, nickel oxide is graded as a human carcinoge...
We study the dispersion of wind-induced near-inertial oscillations (NIOs) in a fully turbulent baroclinicmesoscale eddy eld characterizedby a continuouswavenumber spectrum. The in uence of the eddy eld on the horizontal dispersion of the differentNIO modes is analyzed using a vertical normal mode expansion. Previous studies have identi ed two dispersion regimes: trapping and strong disper...
Eu(3+),Tb(3+) doped and undoped NiO films were deposited on TiO2 by a sol-gel spin-coating method as the photoanodes of dye sensitized solar cells (DSSCs). A comparative study with different structures including TiO2, TiO2/NiO and TiO2/NiO:Eu(3+),Tb(3+) as the photoanodes was carried out to illustrate the photovoltaic performance of solar cells. NiO could enhance the performance of DSSCs ascrib...
در سال های اخیر ضخامت گیت دی اکسید سیلیکون در تکنولوژی cmosبه کمتر از دو نانومتر رسیده است. این تمایل بی سابقه به کوچککردن ترانزیستور ها، علاوه بر مزایای فراوان تکنولوژیکی، مشکلاتیهمچون افزایش تونل زنی کوانتومی، افزایش جریان نشتی و نفوذ اتمبور از گیت دی الکتریک فرانازک را به همراه داشته است مواد نانوکامپوزیت هیبریدی آلی به خاطر ویژگی های خوب الکتریکی همچون جریان نشتی پایین و ثابتدی الکتریک بالا...
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