Materials Literature
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Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Jürgen Ristein; The Physics of Hydrogen‐Terminated Diamond Surfaces. AIP Conf. Proc. 30 June 2005…
Commercially available multicomponent soda lime silicate glass (SLSG) specimens were chemically treated in a CuCl molten bath and subsequently annealed in a hydrogen atmosphere. Mechanical properties of these specimens were monitored as function of parameters characteristic of the ion exchange process. Applying the co…
Abstract. A liquid foam is an easily accessible system that displays typical features of soft condensed matter. Here we summarise recent theory and experiments regarding foam structure, drainage and rheology, including the flow of trains of bubbles through specifically designed channels.
Quantum dots in the Si/Ge and InAs/GaAs materials systems are examined by means of photoluminescence. The spectroscopic study of Si/Ge quantum dots has demonstrated two different radiative recombin ...
The disadvantageous effects of colloidal SiO2 layer and micro-content of metal oxide adsorbed on SiC powder surface on SiC slurry stable dispersion were studied, and the novel method to avoid this disadvantage was proposed. By acidwashing, on the one hand, because the maximum Zeta potential of SiC powder increases to…
(2005). The Refractories Industry - A Review. Materials Technology: Vol. 20, No. 4, pp. 225-232.
The intensity of upconversion emissions of rareearth ions is determined by the maximum phonon energy of glass host. In this paper the intensities of upconversion emissions in Yb3+/Er3+codoped germanatetellurite glas ses upon the excitation of 980nm laser diode were extremely enhanced by replacing PbO wit h Bi2O3 and i…
We show that the expressions for current and heat current calculated via (the non-linearized) ballistic and diffusive transport formalisms reduce to the same form for solid-state devices one electron mean free path in length. The materials parameters for thermionic and thermoelectric devices are also shown to be equal…
In order to understand the effects of hydrogen peroxide on 60Co deposition under water chemistry conditions of boiling water reactors, deposition amounts of 60Co on the stainless steel specimens were measured by changing hydrogen peroxide (H2O2) and oxygen (O2) concentrations in a high temperature water loop, and corr…
The development of advanced solid lubricants is of considerable importance to space tribology. The most common solid lubricant coatings today are based on MoS2, lead or PTFE. However, none of these coatings can simultaneously fulfill all specifications, with regard to friction and wear, under ambient atmosphere and in…
Paraffin wax and other moieties in sulfur vulcanized styrene-butadiene rubber formulations may migrate to the surface, reducing the adhesive strength in joints produced with polyurethane adhesive. In this study, with the aim to remove paraffin wax and other anti-adhesion moieties on the rubber surface to improve adhes…
The effect of Al and Zn contents and annealing conditions on the microstructural evolution and tensile properties were investigated by using Mg-Al-Zn alloys containing 2.0∼4.5 mass% Al and 0.7∼1.5 mass% Zn. The number of shear bands developed during hot rolling increases with increasing Al and Zn contents. As a result…
Waveform of space charge distribution in solid dielectrics measured by the PEA method is severely distorted due to the wave attenuation in material as well as the intrinsic characteristic of measurement system. The waves of interfacial charges before and after attenuation in sample under low electric stresses were sim…
N-type Bi1.9Sb0.1Te2.6Se0.4 alloys were prepared by a rapid solidification technique and subsequent hot-pressing method. The microstructure and thermoelectric properties of the alloys were investigated as a function of the hot-pressing temperature and pressure. The X-ray diffraction measurements indicate that the grai…
The superplastic properties of different semi-products out of Alloy 718 with microcrystalline (MC), submicrocrystalline (SMC) and nanocrystalline (NC) structures processed by severe plastic deformation and rolling have been studied. The alloy with SMC and NC structures can exhibit features of low temperature superplas…
Two self-complexing compounds based on donor-acceptor interactions, one comprised of a p-electron-deficient cyclobis(paraquat-p-phenylene) (CBPQT 4+ ) ring attached to a side-arm component containing p-electron-rich tetrathiafulvalene (TTF) and 1,5-dioxynaphthalene (DNP) units, and the other comprised of a CBPQT 4+ ri…
Carbon nanotubes are graphene cylinders of nanometric diameter which can be either semiconducting or metallic depending on their geometry. Joining different kinds of nanotubes by means of topological defects, one can design all-carbon quantum dots and, in principle, achieve electronic confinement in quasi-zero dimensi…
Nanorods of a compound semiconductor, BiOCl, have been prepared from BiCl3 solutions containing a nonionic surfactant, t-octyl-(OCH2CH2)xOH, x=9, 10 (Triton X-100). Powder X-ray diffraction (XRD) pattern indicated that the product was pure tetragonal phase bismoclite (BiOCl). The product was also characterized by the…
Hydrogenated amorphous carbon (a-C:H) nanotips have been successfully grown on Cu ∕ Ti ∕ Si ( 100 ) by microwave plasma-enhanced chemical vapor deposition. A Cu etching process occurs simultaneously during the growth of the a-C:H nanotips. Both the Cu etching and a-C:H nanotips growth rates continuously increase with…
Direct observation of the defect formation in carbon nanostructures during electron irradiation is carried out by high‐resolution transmission electron microscopy (HR‐TEM) on the double‐wall carbon nanotubes (DWNT) and carbon nanopeapods. The irradiation damage due to the knock‐on collision with high energy electron b…