نتایج جستجو برای: zinc oxid nanotubes
تعداد نتایج: 102323 فیلتر نتایج به سال:
The growth of highly textured Zinc oxide (ZnO) thin films with a preferred (101) orientation has been prepared by employing Successive ionic layer growth by Adsorption Reaction (SILAR) using a sodium zincate bath on glass substrates has been reported. Morphology of the films were found to be varying well from stacked nanorods to shoots of nanotubes and clustered spherical and hilly morphology w...
Twisted zinc oxide nanowires and nanotubes were recently synthesized by screw-dislocation growth. We show theoretically that once their diameter increases above a critical size of the order of a few atomic spacings, the existence of these structures can be rationalized in terms of the energetics of surfaces and veritable Eshelby's twist linear elasticity mechanics supplemented by a nonlinear co...
in spite of the fact that cementitious and concrete materials are mainly used on a large scale and inhuge quantities for roads, dams, bridges and building constructions, the mechanical behavior of thesematerials depends to a great extend on structural elements and phenomena which are effective on amicro and nanoscale. although this is well known by researchers, material producers and engineersf...
Despite the current progresses of modern medicine, the resistance of malignant tumors to present medical treatments points to the necessity of developing new therapeutic approaches. In recent years, numerous studies have focused their attention on the promising use of nanomaterials, like iron oxide nanowires, zinc oxide or mesoporous silica nanoparticles, for cancer and metastasis treatment wit...
Gallium Nitride (GaN) has potential application in optoelectronic and electronic devices, which are capable of operating at high temperature, high power and in harsh environments (Nakamura et al 1997, Morkoc et al 1994). In addition, GaN powders themselves could be used as high quality phosphors. GaN has low electron affinity value of 2.7-3.3 eV compared to carbon nanotubes (CNTs), zinc oxide (...
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