Advanced Materials for Engineering Applications – Page 68

InSb and GaInSb nanowires for thermoelectric applications

Ye Q.L., Scheffler R., Kumari J., Leverenz R., NASA Ames Research Center, US

One-dimensional III-V compound semiconductor nanowires are an important class of nanomaterials that possess unique structures, remarkable properties, and great potential in various applications. InSb represents the smallest band-gap III-V compound semiconductor (0.17 eV at room [...]

One-dimensional Phase-Change Nanowires for Information Storage Application

Sun X.H., Yu B., NASA Ames Research Center, US

The electrically operated phase-change random access memory (PRAM) features faster write/read, improved endurance, and much simpler fabrication as compared with the traditional transistor-based nonvolatile semiconductor memories. Low-dimensional phase-change materials in nanoscale dimensions offer advantages over [...]

Nanowires

Material Properties of Polymer Nanoparticle Composites for Micro Optical Applications

Ritzhaupt-Kleissl E., Böhm J., Haußelt J., Hanemann T., Forschungszentrum Karlsruhe, DE

Nanosized ceramics, highly dispersed into polymer matrix materials, are widely being discussed for the modification of polymer properties. For applications in microsystem technology, the modification of the polymers’ optical and mechanical properties is of certain [...]

Interface-Property Relationships in Hybrid Nanocomposites from Near Net-Shape Manufacturing

Mitchell B.S., Tulane University, US

Near Net-Shape Manufacturing is a two-step materials processing technique, in which nanoparticles are formed via mechanical attrition, from which nanocomposites are formed by consolidation and densification using Hot Isostatic Pressing (HIP). The technique is general [...]

Layered Oxide Polymer Nanocomposites: Synthesis, Characterization, and Strategies for Achieving Enhanced Barrier Property

Hansen T.J., Barber P., Ma J., Ploehn H.J., zur Loye H.-C., University of South Carolina, US

Our research goal is to enhance the gas barrier of polymer nanocomposites using exfoliated layered materials. We have synthesized various layered oxides, ranging from layered polysilicates to perovskites, and explored novel modification techniques. Polymer films [...]

High performance iPP based nanocomposite for food packaging application

Avella M., Errico M.E., Gentile G., INSTITUTE OF POLYMER CHEMISTRY AND TECHNOLOGY - CNR, IT

High performance iPP based nanocomposites filled with innovative calcium carbonate nanoparticles were prepared by melt mixing. Peculiarities of the nanoparticles were the high specific surface area, the elongated shape (aragonite), and the surface modifiers (polypropylene-maleic [...]

Multifunctional Nanocomposites Made of Polypropylene Reinforced with Exfoliated Graphite Nanoplatelets (xGnP)

Kalaitzidou K., Fukushima H., Drzal L.T., Michigan State University, US

Polypropylene is one of the most widely used polymers. It is an attractive material because of its combination of mechanical properties, ease of processing and low cost. This research explores modification of polypropylene through addition [...]

Protein can act as unique template to assemble gold nanoparticles in a linear fashion

Bhattacharya R., Patra C.R., Wang S., Lu L., Yaszemski M.J., Mukhopadhyay D., Mukherjee P., Mayo Clinic, US

Nanoparticles of metals possess unique chemical, electronic, optical and magnetic properties from their bulk counterpart because of the quantum size effects. The spatial orientation and arrangement of nanoparticles is important in the realization of technologically [...]

Nanostructures fabrication via self-assembly of hybrid block copolymer/nanoparticles in thin film

Fahmi A., Gindy N., University of Nottingham, UK

Fabrication of Nanostructures via self-assembly process is an elegant concept for the production the next generation of miniaturised devices. However, many challenges need to be overcome in 2D and 3D nanofabrication before the routine utilisation [...]