نتایج جستجو برای: nano crystalline materials
تعداد نتایج: 510559 فیلتر نتایج به سال:
The current study is directed to the rapidly developing field of inorganic material 3D object production at nano-/micro scale. fabrication method includes laser lithography hybrid organic-inorganic materials with subsequent heat treatment leading a variety crystalline phases in structures. In this work, it was examined series organometallic polymer precursors different silicon (Si) and zirconiu...
For semiconductor technologies, achievement of their ultimate potential depends greatly upon the ability to fully harness and exploit their advanced properties, which in turn depends on understanding these properties and their limiters. As such, the detailed characterization and analysis of advanced semiconductor materials and structures is paramount for the elucidation of these fundamental str...
Both bioactive ion chemistry and nanoscale surface modifications are beneficial for enhanced osseointegration of endosseous implants. In this study, a facile synthesis approach to the incorporation of bioactive Ca2+ ions into the interlayers of nanoporous structures (Ca-nano) formed on a Ti6Al4V alloy surface was developed by sequential chemical and heat treatments. Samples with a machined surf...
The enormous potential that metalloporphyrins possess in catalysis, photochemistry, sensing, and as optical devices has made them favorite building blocks in the emerging field of molecular materials. With attractive structural features such as large bulk, rigid planarity, and a highly conjugated framework that can be readily modified with a variety of functional groups, porphyrins can be assem...
Objective(s): So far, extensive research has been conducted on the preparation and characterization of nano ceramics based on Ca-Si by sol- gel method and bioactivity was evaluated, but, a few researches have paid attention to the preparation of materials by mechanical activation (MA). The aim of this study was the preparation of akermanite nano powder by mechanical activ...
Transparent ceramics are important for scientific and industrial applications because of the superior optical and mechanical properties. It has been suggested that optical transparency and mechanical strength are substantially enhanced if transparent ceramics with nano-crystals are available. However, synthesis of the highly transparent nano-crystalline ceramics has been difficult using convent...
Context and objective: A novel method of fabricating probiotic nanowhiskers—using pure cheese as a source probiotics, sans metal/chemical surfactants—is reported in the present study. Materials methods: This was followed by an extensive characterization; FTIR spectroscopy, X-ray diffraction, particle size measurements, transmission electron microscopy. Thermal analysis via differential scanning...
A goal of molecular materials chemistry is to develop synthetic strategies for the precise placement of molecular building blocks at nano-and mesoscale levels. If the building blocks comprise both organic and inorganic moieties, the resultant hybrid composites have the advantage of combining complementary strengths from two different chemical worlds. By piecing together a judicious choice of th...
A novel method of preparing the macrporous nickel coating was described. The macrporous nickel coating was fabricated by employing nano-silica as the template. The effects of technological conditions and the concentration of the additives on the surface quality of coating were investigated, the nano-silica was characterized transmission electron microscopy (TEM) and laser particle size analyzer...
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