Related publications (34)

Influence of a Nanometric Al2O3 Interlayer on the Thermal Conductance of an Al/(Si, Diamond) Interface

Christian Monachon, Ludger Weber

The effect of an Al2O3 interlayer on the thermal conductance of metal (Al)/non-metal (diamond and silicon) interfaces is investigated using Time Domain ThermoReflectance (TDTR). Interlayers between 1.7 and 20nm are deposited on oxygen-terminated diamond an ...
Wiley-Blackwell2015

Electric-Field-Induced Domain Switching and Domain Texture Relaxations in Bulk Bismuth Ferrite

Dragan Damjanovic

Bismuth ferrite, BiFeO3, is an important multiferroic material that has attracted remarkable attention for potential applications in functional devices. While thin films of BiFeO3 are attractive for applications in nanoelectronics, bulk polycrystalline BiF ...
Wiley-Blackwell2015

Endosseous implant

Michael Graetzel, Péter Kalman Péchy

PROBLEM TO BE SOLVED: To provide an endosseous implant having a modified surface for fixation of an artificial tooth in dentistry and of a hearing aid to replace or reinforce a bone with damage or disease in orthopedic surgery.SOLUTION: An endosseous impla ...
2014

Influence of a Nanometric Al

Christian Monachon, Ludger Weber

The effect of an Al2O3 interlayer on the thermal conductance of metal (Al)/non-metal (diamond and silicon) interfaces is investigated using Time Domain ThermoReflectance (TDTR). Interlayers between 1.7 and 20 nm are deposited on oxygen-terminated diamond a ...
Wiley-Blackwell2014

Interaction between liquid aluminium and solid iron Al-rich intermetallics formation

Guillaume Pasche

Intermetallic phases formation is one of the phenomena, which when coupled to thermal and mechanical strains leads to the premature wear of aluminium die casting tools made out of steel. This work focuses on two aspects of this wear problem. The first and ...
EPFL2013

A simplified GaN/AlGaN quantum cascade detector with an alloy extractor

Nicolas Grandjean, Etienne François Olivier Giraud

We have demonstrated a GaN/AlGaN quantum cascade detector based on a simplified design of the extractor region relying on an AlGaN thick layer. The device grown by molecular beam epitaxy exhibits both TM-polarized intersubband absorption and photocurrent a ...
Amer Inst Physics2012

Laser Welding of Nickel-Titanium and Stainless Steel Wires

Jonas Vannod

The biomedical industry has an increasing demand for dissimilar metal joining processes, which are used for complex configuration designs, such as guidewires and other intravascular interventional devices. Their production becomes more and more challenging ...
EPFL2011

Linking Discrete Dislocations and Molecular Dynamics in 3D: a Start

Jean-François Molinari, William Curtin, Guillaume Anciaux, Till Junge

Many phenomena in crystalline metals such as friction, nano-indentation and ductile fracture are plasticity-driven and poorly understood. The physical complexity is further increased by the inherently multiscale nature of contact and fracture [1]. This stu ...
2011

Time-resolved x-ray absorption spectroscopy of transition metal complexes

Wojciech Gawelda

Electronic structure changes are at the origin of the making, breaking and transformation of bonds. These changes can be visualized by measuring the geometric structure in "real-time" during the course of a chemical reaction, a biological function or a phy ...
EPFL2006

A predictive mechanism for dynamic strain ageing in aluminium-magnesium alloys

William Curtin

Dynamic strain ageing (DSA) is the phenomenon in which solute atoms diffuse around dislocations and retard dislocation motion, leading to negative strain-rate sensitivity (nSRS) and thus to material instabilities during processing, an important issue in co ...
2006

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