Results 191 to 200 of about 8,922 (227)
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Materials Science and Engineering: B, 2000
Origin of vacancies in the large-sized SiC nanocrystals (higher than 10 nm) has been investigated using theoretical band structure calculations and experimental electronic paramagnetic resonance (EPR) measurements. Influence of geometry sizes on appearance of concrete vacancy has been studied.
I.V. Kityk +5 more
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Origin of vacancies in the large-sized SiC nanocrystals (higher than 10 nm) has been investigated using theoretical band structure calculations and experimental electronic paramagnetic resonance (EPR) measurements. Influence of geometry sizes on appearance of concrete vacancy has been studied.
I.V. Kityk +5 more
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Russian Journal of Physical Chemistry A, 2014
Metal nanopowders were found to affect the stability of hydrophobic emulsions. A nanoreagent as effective as highly nonionic demulsifiers was found. It can easily be separated and retains its efficiency after repeated use. The mechanisms of the process were discussed.
T. A. Fedushchak +2 more
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Metal nanopowders were found to affect the stability of hydrophobic emulsions. A nanoreagent as effective as highly nonionic demulsifiers was found. It can easily be separated and retains its efficiency after repeated use. The mechanisms of the process were discussed.
T. A. Fedushchak +2 more
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Flowability characterization of nanopowders
Powder Technology, 2015Abstract The applications of nanopowders are increasing significantly over the last years. In most of these applications, the flow behavior of the nanopowders seems to be a complicated, multiparametric but critical issue for the proper design of the processes.
Xanthakis, Epameinondas +2 more
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Consolidation of ceramic nanopowders
Advances in Applied Ceramics, 2008AbstractThis review is dedicated to the problems of nanostructured ceramics consolidation.Laboratory practice in recent years has displayed several potentially important technologies for consolidation of ceramic nanopowders, such as spark plasma sintering, high pressure sintering and rate controlled sintering. The grain growth factor in these processes
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Plasma synthesis of nanopowders
Journal of Nanoparticle Research, 2008There is a huge variety of plasma processes for synthesis of nanoparticulate powders. They may be grouped with respect to operating temperature, which is the essential parameter with respect to the properties of the products. In view of industrial production, the highest degree of maturity is found in high temperature processes working under ambient ...
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Dimensional characteristics of nanopowders
Nanotechnologies in Russia, 2009Electron microscopy, X-ray diffractometry, and low-temperature adsorption of nitrogen have been used to study the dimensional characteristics of metal nanopowders. The results obtained have allowed us to establish the correlation between the dimensional characteristics of nanopowders.
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