نتایج جستجو برای: nanostructured material

تعداد نتایج: 378876  

2015
P. Fiflis M.P. Christenson N. Connolly D.N. Ruzic

Impingement of high fluxes of helium ions upon metals at elevated temperatures has given rise to the growth of nanostructured layers on the surface of several metals, such as tungsten and molybdenum. These nanostructured layers grow from the bulk material and have greatly increased surface area over that of a not nanostructured surface. They are also superior to deposited nanostructures due to ...

Journal: :Hosokawa Powder Technology Foundation ANNUAL REPORT 2010

Journal: : 2021

The third article of the series devoted to application nanomaterials and nanotechnologies in industry general and, first all, metallurgy, materials science foundry is presented. This deals with use for improvement ferrous non-ferrous alloys by micro-alloying modifying methods, as well synthesis new composite materials. results research on C-B-Fe composites obtained at Belarusian State Technolog...

Journal: :Current opinion in chemical biology 2000
C M Niemeyer

DNA is a promising construction material for the supramolecular 'bottom-up' engineering of artificial nanostructured devices. The use of DNA for the selective positioning of macromolecular components, the fabrication of nanostructured DNA scaffolds, as well as the DNA-templated synthesis of nanometer-sized and mesoscopic complexes, consisting of inorganic and bioorganic compounds, are exciting ...

2015
B. Gopal Krishna M. Jagannadha Rao

Nanostructured radar absorbing materials (RAMs) have received steadily growing interest because of their fascinating properties and various applications compared with the bulk or micronized counterparts. These nanostructured materials have increased surface area, number of dangling bond atoms and unsaturated co -ordination on surface lead to interface polarization, multiple scatter and absorbin...

Journal: :Small 2014
Amir K G Tavakkoli Samuel M Nicaise Adam F Hannon Kevin W Gotrik Alfredo Alexander-Katz Caroline A Ross Karl K Berggren

A sacrificial-post templating method is presented for directing block copolymer self-assembly to form nanostructures consisting of monolayers and bilayers of microdomains. In this approach, the topographical post template is removed after self-assembly and therefore is not incorporated into the final microdomain pattern. Arrays of nanoscale holes of different shapes and symmetries, including me...

2017
Heike Bartsch José Manuel Mánuel Rolf Grieseler

Sputtered reactive multilayers applied as a heat source in electronic joining processes are an emerging technology. Their use promises low-stress assembly of components while improving thermal contact and reducing thermal resistance. Nanostructured surface modifications can significantly enhance adhesion and reliability of joints between different materials. This work examines reactive multilay...

2009
Zhaohui Dong Yang Song

Two morphologies of nanostructured tin dioxide (SnO2) (i.e., nanobelts and nanowires) were compressed in diamond anvil cells up to 38 GPa followed by decompression. In situ Raman spectroscopy and synchrotron X-ray diffraction were employed to monitor the structural transformations. It was found that nanostructured SnO2 behaved drastically differently than bulk material in terms of transformatio...

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