Materials Literature
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Chip level electromigration (EM) reliability is determined by: 1) the element level EM failure probability used for design guideline generation; and 2) the distribution of EM elements against design limits. Balancing these two factors is critical for a chip design to achieve the best performance while maintaining chip…
Undoped and Mn-doped cobalt ferrite (CoFe$_{2}$O$_{4}$) nanoparticles were synthesized and characterized for thermal conductivity and magnetic properties. Room temperature ferromagnetism and an increase in saturation magnetization due to Mn doping (65.4 emu/g for 3 at.% of Mn and 20.8 emu/g for undoped CoFe$_{2}$O$_{4…
Seven new ionic solids built on polyoxometalate anions and [Co(en) 3 ] 3+ cations, namely, [Co(en) 3 Mo 8 O 26 (H 3 O)(Cl)](DMF) 4 (H 2 O) (Co-Mo 8 -DMF), [α-PW 12 O 40 ][Co(en) 3 ]·6DMF (Co-W 12 P-DMF), [α-PW 12 O 40 ][Co(en) 3 ]·6DEF (Co-W 12 P-DEF), [α-PMo 12 O 40 ][Co(en) 3 ]·5.5DMF (Co-Mo 12 P-DMF), [α-PMo 12 O 4…
The swift heavy ion (SHI) irradiation induces weak ferrimagnetism (FM) in magnetically frustrated polycrystalline ${\text{BiMn}}_{2}{\text{O}}_{5}$ thin films. This is manifested from irradiation induced higher energetic configuration that accounts for evolution of the ${\text{Mn}}^{2+}$ state in the ${\text{Mn}}^{3+}…
Abstract In this study, intercalated/exfoliated polystyrene (PS)/organoclay nanocomposites containing different concentration of organoclay have been prepared via solvent blending method, using xylene as a solvent. Some resulting intercalated nanocomposites are transformed to exfoliated nanocomposites by increasing th…
Employing ab initio calculations we predict that the magnetic states of hydrogenated diamond-shaped zigzag graphene quantum dots (GQDs), each exhibiting unique electronic structure, can be selectively tuned with gate voltage, through Stark or hybridization electric-field modulation of the spatial distribution and ener…
A theory of surface-enhanced Raman scattering (SERS) is developed based on the coupling between an ensemble of nanoparticles supporting localized surface-plasmon resonances (LSPRs) and a Raman-active molecule. The molecule is modeled by a dielectric particle supporting many different modes that represent its response…
The latest prototype version of the CSIRO-developed Comfort Meter was used to measure representative samples of all the garments used in the Sheep Cooperative Research Centre wearer trials. The average wearer prickle ratings of the garment sets were compared to the average Comfort Meter values for the garments. Comfor…
Monitoring serum potassium ion levels is very common in blood tests, for abnormal potassium ion levels are usually signs of many disease such as hyper blood pressure. This study reports the first use of quantum dot (QD)-based-aptamer beacons for the detection of potassium ion concentrations. In this paper, the detecti…
Nanocomposites formation brings about an enhancement of many properties for polymers. They have attracted interests since they attain significant properties with far less clay content. It is generally assumed that exfoliation nanocomposites are preferred for the greatest increases in properties, but that is not correc…
The authors report the fabrication of a β-Ga2O3/GaN solar-blind and visible-blind dual-band photodetector (PD). It was found that we could control the depletion depth of the device and thus switch the operation mode between solar-blind and visible-blind by simply changing the applied bias. It was also found that we co…
FeTe0.5Se0.5superconducting wires have been fabricated using ex-situ PIT method with an Fe sheath. Among the other FeAs-based superconductors, FeTe0.5Se0.5has great advantage for applications due to its binary composition and less toxicity. Surprisingly, superconducting current was observed in the as-fabricated wire w…
We demonstrate an approach to the assembly of DNA-containing polyelectrolyte multilayers that can be used to promote rapid release of DNA from surfaces. The approach is based on layer-by-layer incorporation of poly(acrylic acid) to promote rapid erosion in physiologically relevant media.
Naturally occurring macromolecules have the potential for providing non-fouling coatings on substrates based on a steric entropic principle. In order for this effect to occur, the macromolecules that adhered to the surface must have the correct chemical conformation. This article reports on the immobilisation of hyalu…
Metal-semiconductor-metal ultraviolet (UV) photodetectors were created with zinc-oxide colloidal nanoparticles coated with polyvinyl-alcohol. Gold-interdigitated finger contacts with different parameters were patterned on the nanoparticles by optical lithography. The photodetectors exhibited UV-photogenerated current…
A combined quasi-elastic neutron scattering (QENS) and high-resolution solution NMR spectroscopy study was conducted to investigate the internal dynamics of aqueous (D2O) G5 PAMAM dendrimer solutions as a function of molecular protonation at room temperature. Localized motion of the dendrimer segments was clearly exhi…
A conductive TiC nanopowder was incorporated into nanosized β‐Si 3 N 4 ‐based powder and consolidated by a spark plasma sintering (SPS) technique with a rapid heating process. The influence of the conductive phase on the microstructure development of the Si 3 N 4 matrix was demonstrated. After sintering, the conductiv…
Stress corrosion cracking (SCC) of carbon steel has been observed in fuel-grade ethanol (FGE, C2H5OH). Electrochemical behavior of carbon steel and therefore the role of localized corrosion in SCC has not been studied adequately because of the difficulty in performing electrochemical experiments in resistive environme…
Abstract Fabrication of porous silicon layers using the electrochemical technique followed by filling the nanopores with a group of conducting polymers is investigated. Our findings revealed that the deposition of polymer proceeds homogeneously inside the nanopores strating from the pore bottom and propagates into the…
A series of strontium barium niobate‐based B 2 O 3 system glass–ceramics have been prepared by conventional melting and heat‐treated crystallization method. The effect of BaF 2 addition in nucleation and crystallization kinetics has been explored for dielectric applications. BaF 2 addition decreased the activation ene…