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Related publications (27)

Effects of surface oxide formation on germanium nanowire band-edge photoluminescence

Shruti Thombare, Anna Fontcuberta i Morral

The effect of intentional surface oxide formation on band-edge photoluminescence (PL) of Ge nanowires was investigated. Thermal oxidation in molecular O-2 was used to produce a surface oxide layer on assemblies of single crystal nanowires grown by the vapo ...

American Institute of Physics2013

Direct growth of nanotubes and graphene nanoflowers on electrochemical platinum electrodes

Giovanni De Micheli, László Forró, Sandro Carrara, Arnaud Magrez, Federico Matteini, Irene Taurino

Multi-walled carbon nanotubes and graphene nanoflowers were grown by a catalytic chemical vapor deposition process on metal surfaces. Electrodeposition was used as a versatile technique to obtain three different iron catalyst coatings on platinum microelec ...

2013

Microchip Based Electrospray Mass Spectrometry for Investigation of Neurodegenerative Peptides

Yu Lu

Electrospray ionization mass spectrometry (ESI-MS) is a powerful tool to investigate large molecules. Miniaturized microchips, as a goal of ‘Lab-on-chip’, allow various integrated analysis quickly. The coupling of functional microchips and ESI-MS is capabl ...

EPFL2012

Iron Resonant Photoemission Spectroscopy on Anodized Hematite Points to Electron Hole Doping during Anodization

Michael Graetzel, Kevin Sivula, Li Zhang, Artur Braun, Philippe Wyss, Qianli Chen, Jin Guo

Anodization of a-Fe2O3 (hematite) electrodes in alkaline electrolyte under constant potential conditions the electrode surface in a way that an additional current wave occurs in the cyclic voltammogram. The energy position of this current wave is closely b ...

Wiley-Blackwell2012

Numerical analysis of zeptogram/Hz-level mass responsivity for in-plane resonant nano-electro-mechanical sensors

Mihai Adrian Ionescu, Dimitrios Tsamados

This paper presents numerical analysis of an in-plane resonant nano-electro-mechanical (NEM) sensor based on mass-detection principle using a 3D FEM electromechanical simulation combined with a NEM/MOS hybrid circuit simulation. The self-assembled linker m ...

2011

Texture Formation in Hot-Dip Galvanized Coatings : Nucleation and Growth of Anisotropic Grains in a Confined Geometry

Aurèle Mariaux

Continuous hot-dip galvanization is a process during which steel sheets are coated with a layer of Zn-Al alloy to protect them against corrosion. As the name indicates, this is achieved by dipping the preheated sheet into a bath of molten alloy. The sheet ...

EPFL2010

Electrodeposition of Fe Powder from Citrate Containing Electrolytes

Polarization characteristics of the electrodeposition processes of Fe powders from different citrate electrolytes and the morphology of the obtained powders were investigated. The effect of complexing agents on the cathodic polarization, the current effici ...

2010

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