نتایج جستجو برای: electronic nanostructure

تعداد نتایج: 231593  

Journal: :international journal of nano dimension 0
m. riazian department of engineering, tonekabon branch, islamic azad university, tonekabon, iran

we report on the synthesis, morphology, chemically and structurally of tio2-nio-sio2 nanostructure. the tio2-nio-sio2 nanostructure was synthesized by a method based on the sol-gel method, by the simultaneous gelation of all cations. the coatings were deposited on dried soda-lime glass slides by spin coating. composite powders and coating on glass have been characterized by xrd, sem, edax, and ...

Journal: :international journal of nano dimension 0
s. sabbaghi nano chemical engineering dep. of shiraz university, shiraz, iran. h. orojlou nano technology research institute, shiraz university, shiraz, iran. m. r. parvizi research and development of boualisina petrochemical company,mahshahr, iran. r. saboori nano technology research institute, shiraz university, shiraz, iran. m. sahooli nano chemical engineering dep. of shiraz university, shiraz, iran.

in the past decades, many methods have been developed to synthesize zero- dimensional  nanoparticles, quasi–one–dimensional (1d) cuo nanostructures, such as metal organic deposition technique,  microwave irradiation, sol-gel-like dip  technique, reverse micelle-assisted route, chemical method, and simple template free solution route. among those synthesis methods, hydrothermal and chemical reac...

Journal: :journal of ultrafine grained and nanostructured materials 2014
ahmad keyvani mohsen saremi mahmoud heydarzadeh sohi

conventional and nanostructured ysz coatings were deposited on the in-738 ni super alloy by the atmospheric plasma spray technique. the oxidation was measured at 1100°c in an atmospheric electrical furnace. according to the experimental results the nanostructured coatings showed a better oxidation resistance than the conventional ones. the improved oxidation resistance of the nanocoating could ...

2005
Stanimire Tomov Julien Langou Andrew Canning Lin-Wang Wang Jack Dongarra

In this article we report on our e orts to test and expand the current state-of-the-art in eigenvalue solvers applied to the eld of nanotechnology. We singled out the nonlinear conjugate gradients method as the blackbone of our e orts for their previous success in predicting the electronic properties of large nanostructures and made a library of three di erent solvers (two recent and one new) t...

2014
Changxia Liu Qingxian Jin Kai Lv Li Zhang Minghua Liu

Instruments and methods: 1 HNMR spectrum was obtained on a Bruker AV300 spectrometer, and tetramethylsilane was used as an internal standard substance. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) was recorded on a BIFLEIII instrument. Elemental analysis was performed on a Carlo-Erba-1106 instrument. The aging gel and precipitation was cast on sing...

Journal: :IJCSE 2006
Stanimire Tomov Julien Langou Jack J. Dongarra Andrew Canning Lin-Wang Wang

In this article we report on our efforts to test and expand the current state-of-the-art in eigenvalue solvers applied to the field of nanotechnology. We singled out the nonlinear conjugate gradients (CG) methods as the backbone of our efforts for their previous success in predicting the electronic properties of large nanostructures and made a library of three different solvers (two recent and ...

Journal: :Journal of the American Chemical Society 2013
Sumedh P Surwade Feng Zhou Bryan Wei Wei Sun Anna Powell Christina O'Donnell Peng Yin Haitao Liu

We describe a method to form custom-shaped inorganic oxide nanostructures by using DNA nanostructure templates. We show that a DNA nanostructure can modulate the rate of chemical vapor deposition of SiO2 and TiO2 with nanometer-scale spatial resolution. The resulting oxide nanostructure inherits its shape from the DNA template. This method generates both positive-tone and negative-tone patterns...

2016
Pedro M. Resende Ruy Sanz Alejandra Ruiz-de Clavijo Olga Caballero-Calero Marisol Martin-Gonzalez

The synthesis of a conformal three-dimensional nanostructure based on porous anodic alumina with transversal nanopores on wires is herein presented. The resulting three-dimensional network exhibits the same nanostructure as that obtained on planar geometries, but with a macroscopic cylindrical geometry. The morphological analysis of the nanostructure revealed the effects of the initial defects ...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2012
Christelle Yeromonahos Raphaël Marlu Benoît Polack Francois Caton

OBJECTIVE Because of the widespread clinical use of heparins, their effects on the enzymatic cascade are very well known. In contrast, little is known about the direct effect of heparins on the nanostructure of fibrin fibers, even though this nanostructure plays a major role in the mechanical strength and lysis of clots. This lack of reliable data can be correlated with the lack of a nonintrusi...

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