[1] We report the experimental measurement of Fe-Mg interdiffusivity in olivine along the [001] crystallographic direction in a water-saturated environment at pressures of 0.1 to 6 GPa and temperatures between 1373 and 1450 K. The concentration of water-derived protons in olivine was controlled by varying the water fugacity. The oxygen fugacity was set by the Ni-NiO solid state reaction, while ...

Ternary Au-Ag-Cu alloys differing in composition were produced by means of a sequential gradual sputtering of elemental thin films. The resultant multilayers were then subjected to various heat treatments to promote a phase formation by interdiffusion. A long-period superlattice AuCu3 I1 was found among the different phases. The microstructure of this phase revealed growth stacking faults and t...

In the present article, mechanistic equations for membrane transport of N + 1-component solutions have been derived. The major specific investigation result is the introduction - for ternary solutions - of two diffusion coefficients omega(d1) and omega(d2) for solutes, as well as two cross coefficients omega(d12) and omega(d21) for these solutes. The latter parameters may be treated as coeffici...

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We report on the optical constants and their dispersion profiles determined from spectroscopic ellipsometry (SE) analysis of the 20%-titanium (Ti) doped of tungsten oxide (WO3) thin films grown by sputter-deposition. The Ti-doped WO3 films grown in a wide range of temperatures (25-500 °C) are amorphous and optically transparent. SE data indicates that there is no significant interdiffusion at t...

The performance of pixel modules built from 75 μm thin silicon sensors and ATLAS read-out chips employing the Solid Liquid InterDiffusion (SLID) interconnection technology is presented. This technology, developed by the Fraunhofer EMFT, is a possible alternative to the standard bump-bonding. It allows for stacking of different interconnected chip and sensor layers without destroying the already...

Nano-sized Ag(111) islands were first prepared by using molecular beam epitaxy technique on dilutedhydrofluoric acid etched Si(111) substrate. Epitaxial Co films were then grown onto the Ag films at 100 °C to decrease interdiffusion. The Ag buffer layer designed to form isolated islands with {111} sidewalls on the Si(111) substrate, and provided Co films (111) texture growth to study the correl...

One of the major challenges in welding aluminium (Al) alloys and steels is growth brittle intermetallic phases, which depends on thermomechanical processing history alloying elements. This work focuses phase layers formed roll bonded composites Al alloy 6082 stainless steel 316L after interdiffusion at temperatures range 400 – 550 °C. Scanning transmission electron microscopy characterisation s...

Ionic transport coefficients for dense plasmas have been numerically computed using an effective Boltzmann approach. We have developed a simplified effective potential approach that yields accurate fits for all of the relevant cross sections and collision integrals. Our results have been validated with molecular-dynamics simulations for self-diffusion, interdiffusion, viscosity, and thermal con...

Development of solid dielectric de transmission class cable has become a priority throughout much of the world. Interdiffusion between the semiconducting electrode materials and the dielectric inevitably causes variations in conductivity of the dielectric near the semicon which results in distortion of the electric field and space charge formation under de conditions. Analytical approximations ...