Showing papers in "Diamond and Related Materials in 2003"

TL;DR: In this article, it was shown that the ratios of the different proteins adsorbed on the surface can be influenced by the addition of different elements into the diamond-like carbon (DLC) film.

TL;DR: Amorphous hydrogenated diamond-like carbon (DLC) and tetrahedral carbon (taC) films are characterized by high wear resistance, low friction coefficients and chemical inertness, thus high-corrosion resistance as mentioned in this paper.

TL;DR: Diamond electrodes offer superb properties for a variety of electrochemical technologies, properties that include corrosion resistance, low background current, good responsiveness without pretreatment, resistance to fouling, and optical transparency.

TL;DR: In this paper, hydrogenated amorphous carbon films were deposited in an RF parallel plate plasma reactor using various values of process pressure (10-50 mTorr) and DC self-bias (0-300 V).

TL;DR: In this paper, the authors describe the synthesis of Fe-, Ni-and Co-filled carbon nanotubes by using the chemical vapor deposition method, and the magnetic behavior of the aligned Fe-filled tubes is investigated using alternating gradient magnetometry measurements and electron holography.

TL;DR: In this article, the growth of single crystal ZnO nanowires on a non-single-crystal substrate using a conventional sputter deposition technique was reported, where the substrate used was silicon wafers with copper metallization.

TL;DR: In this paper, carbon nanotubes (CNT) were synthesized on graphite fibers by thermal CVD, and iron nanoparticles were coated and act as catalysts for CNT growth.

TL;DR: In this paper, the position of the ν 1 mode of trans-polyacetylene using a vibronic model for resonance Raman scattering and compared the results with the measured positions of the 1150 cm−1 mode for diamond samples on different substrates and found a very good agreement.

TL;DR: In this article, the Raman spectra of heavily boron doped polycrystalline diamond films were used as a non-destructive technique to deduce easily and without contact the BORON concentration of diamond films in the range 2×1020 to 1022 cm−3.

TL;DR: In this paper, the effects of the incorporation of single-walled carbon nanotubes (SWNTs) on the cure reaction of a diglycidyl ether of bisphenol A-based (DGEBA) epoxy resin is investigated by thermal analysis and Raman spectroscopy.

TL;DR: In this article, the bending strength of reaction-sintered SiC (RS-SiC) was evaluated and the strength over 1000 MPa was obtained to control the residual Si size under 100 nm.

TL;DR: In this article, the results of density functional calculations of donor and acceptor characteristics of defects in diamond were presented, and the best method appeared to be comparing levels of the defects with some known reference state.

TL;DR: In this article, the wear behavior of a diamond-like carbon (DLC)coated hip joints has been investigated, and the results show that the properties of a-C:H can be tuned within a certain range, depending on the deposition conditions and the setup used in tribological experiments.

TL;DR: In this article, the uppermost surface layers of the carbon nanotubes were investigated and the results obtained by this method represent only an average value of a more or less large assemblage of carbon carbon tubes, and it turns out that the thicknesses of these layers were approximately 1-2 nm after some minutes of oxygen plasma treatment and could not be enlarged by further treatment.

TL;DR: In this article, a pyrolysis of camphor in the argon atmosphere at normal pressure using ferrocene as a catalyst was used to produce single-wall and multi-wall CNTs.

TL;DR: In this article, the authors present concepts for CNT-based interconnects and vertical, surrounding-gate transistors for large-scale integration of CNTs into circuits using microelectronics compatible processes.

TL;DR: In this article, the boron δ-doped p-channel FET and the hydrogen induced p-type surface-channel-FET were investigated and the results obtained with this FET concept yielded a VDmax>200 V (LG = 1 μm) and a IDmax>360 mA/mm a fT=11.5 GHz and fmaxU>40 GHz (LG=0.2 μm).

TL;DR: In this article, the results of ab initio Density Functional Theory (DFT) relaxations performed on nanocrystalline diamond structures of cubic {100, octahedral {111} and cuboctahedral morphologies, up to approximately 1 nm in diameter, were presented.

TL;DR: In this paper, a comparative study of the biological response of amorphous carbon coated stainless steel was carried out using human osteoblasts cell culture lines and fibroblasts.

TL;DR: In this article, a general model for the interpretation of the Raman spectra of amorphous carbon nitrides measured at any excitation energy is presented, without need of extra peaks due to CN, NN or NH modes.

TL;DR: In this paper, an AFM-assisted local oxidized (O-terminated) area was used to measure the difference in wettability between the hydrogen-tipped diamond surface and the local oxidised area, and it was proved that the oxidized surface is more hydrophilic than the hydrophobic surface.

TL;DR: In this article, the possibilities to generate patterned diamond-like carbon (DLC) coated low wear tribological surfaces by means of laser processing were investigated, and the results showed that the friction coefficient did not increase, as compared with the unstructured and DLC coated surfaces.

TL;DR: In this article, the role of nitrogen in carbon nanotube (CNT) growth was examined with three different gas compositions to compare the pretreated catalyst surfaces, and the results showed that the presence of nitrogen during CNT growth can keep the front catalyst surface clean and active to prolong surface passivation to enhance carbon bulk diffusion.

TL;DR: In this paper, B-doped diamond electrodes with a metallic conduction grown by MPCVD and HFCVD were studied with the goal to use them as cathodes, for the electrochem. and phys. properties of polycryst.

TL;DR: In this article, bias voltage was applied in the range of −20 to −150 V in two configurations: constant bias and bias-graded, and the results showed that the hardness of the bias-grading configuration was comparable to the coating with high bias voltage but the toughness and adhesion strength were significantly improved.

TL;DR: In this article, the electrochemical behavior of carboxyl-modified carbon nanotube (CNT) films was investigated by scanning electron microscopy, Raman spectroscopy, and infrared spectroscopic analysis.

TL;DR: In this article, the authors compared different concepts for large-scale integration of carbon nanotubes (CNTs) into microelectronic devices and compared their performance on hand-picked demonstrators.

TL;DR: In this article, the electrical properties of individual carbon nanotubes were investigated for designing field emission devices and the failure of nanotube under field emission was also discussed, showing that the field enhancement of the structures is strongly related to the geometry (height/radius) of the structure and maximum emission currents of ∼10 μA were obtained.

TL;DR: In this paper, a hexagonal AlN nanowire array was synthesized through the direct reaction of Al and NH3/N2 under the confinement of anodic porous alumina template.