نتایج جستجو برای: aluminum oxide

تعداد نتایج: 219954  

Journal: :Journal of colloid and interface science 1999
Cheng Huang Pan

Ferrocyanide and ferricyanide ions have strong coagulation ability in a natural water system due to their high valences. Studies with aluminum oxide turbid waters showed significant differences in coagulation between simple ions (Cl-, SO2-4, Fe(CN)3-6, Fe(CN)4-6) and other species (H2PO-4) that interact chemically with the oxide surface. The evidence suggested that the adsorption of ferrocyanid...

Journal: :Microelectronics Reliability 2008
Banani Sen Bing-Liang Yang Hei Wong Chi-Wah Kok P. K. Chu A. Huang

The effects of aluminum implantation on HfO2 thin films using plasma immersion ion implantation (Al– PIII samples) are investigated. X-ray photoelectron spectroscopy measurements reveal that most of the implanted aluminum atoms accumulated near the surface region of the oxide film. The greatly reduced leakage current, smaller flatband shift and steep transition from the accumulation to the depl...

1999
Timothy Campbell Rajiv K. Kalia Aiichiro Nakano Priya Vashishta Shuji Ogata Stephen Rodgers

Oxidation of aluminum nanoclusters is investigated with a parallel molecular-dynamics approach based on dynamic charge transfer among atoms. Structural and dynamic correlations reveal that significant charge transfer gives rise to large negative pressure in the oxide which dominates the positive pressure due to steric forces. As a result, aluminum moves outward and oxygen moves towards the inte...

2012
Amirkianoosh Kiani Palneet Singh Waraich Krishnan Venkatakrishnan Bo Tan

: In this work, we have proposed a concept for the generation of three-dimensional (3D) nanostructured metal alloys of immiscible materials induced by megahertz-frequency ultrafast laser pulses. A mixture of two microparticle materials (aluminum and nickel oxide) and nickel oxide microparticles coated onto an aluminum foil have been used in this study. After laser irradiation, three different t...

Journal: :CoRR 2009
S. Rodthong B. Burapattanasiri

This article is present the effected oxide capacitor in CMOS structure of integrated circuit level 5 micrometer technology. It has designed and basic structure of MOS diode. It establish with aluminum metallization layer by sputtering method, oxide insulator layer mode from silicon dioxide, n and p semiconductor layer, it has high capacitance concentrate. From the MOS diode structure silicon di...

2016
Ying Huang Dilip K. Sarkar

The formation of low surface energy hybrid organic-inorganic micro-nanostructured zinc stearate electrodeposit transformed the anodic aluminum oxide (AAO) surface to superhydrophobic, having a water contact angle of 160 ̋. The corrosion current densities of the anodized and aluminum alloy surfaces are found to be 200 and 400 nA/cm2, respectively. In comparison, superhydrophobic anodic aluminum o...

برهانی زرندی, محمود, جهان بخشی زاده, ناصر, ناطقی, محمدرضا,

Organic-inorganic perovskite (CH3NH3PbI3), due to an appropriate energy gap to absorb sunlight, is used as an absorbent layer in third generation solar cells. Crystallinity of light absorbing layer plays an important role in the performance of perovskite solar cells and substrate plays an important role on crystallinity of light absorbing layer. In superstructure solar cells, alumina (aluminum ...

2016
Alberto Castro-Muñiz Yasuto Hoshikawa Hiroshi Komiyama Wataru Nakayama Tetsuji Itoh Takashi Kyotani

Citation: Castro-Muñiz A, Hoshikawa Y, Komiyama H, Nakayama W, Itoh T and Kyotani T (2016) Improving the Direct Electron Transfer in Monolithic Bioelectrodes Prepared by Immobilization of FDH Enzyme on Carbon-Coated Anodic Aluminum Oxide Films. Front. Mater. 3:7. doi: 10.3389/fmats.2016.00007 improving the Direct electron Transfer in Monolithic Bioelectrodes Prepared by immobilization of FDh en...

Journal: :Journal of colloid and interface science 1998
Truesdail Lukasik Farrah Shah Dickinson

The aim of this study was to investigate the importance of surface potential in microbial deposition onto modified granular surfaces. Recent experimental and theoretical work has indicated that surfaces coated with metal oxides and hydroxide rich oxide/hydroxide mixtures ((hydr)oxides) have the potential to increase the capture efficiencies of commercial filtration systems. This study quantitat...

Computational studies have attracted the attention of researchers to understand the structural behavior of the molecules. These methods grade complex systems for novel properties with new predictions in areas of physics, chemistry and biology useful for conduct of experimental studies. Nanoparticles in present day technologies have become integral part in diverse areas of science mostly with me...

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