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Role of hydrogen in giant spin polarization observed on magnetic nanostructures

Publications associées (36)

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Solar hydrogen reaching maturity

Sophia Haussener, Mikaël Dumortier

Increasingly vast research efforts are devoted to the development of materials and processes for solar hydrogen production by light-driven dissociation of water into oxygen and hydrogen. Storage of solar energy in chemical bonds resolves the issues associa ...

2015

Closing the pressure gap in x-ray photoelectron spectroscopy by membrane hydrogenation

Comprehensive studies of gas-solid reactions require the in-situ interaction of the gas at a pressure beyond the operating pressure of ultrahigh vacuum (UHV) X-ray photoelectron spectroscopy (XPS). The recent progress of near ambient pressure XPS allows to ...

American Institute of Physics2015

Study of hydrogen storage and compression

Nicolas Jean Matet

The goal of this rapport is to present an overview of the different hydrogen storage technologies, currently available for industrial application or at earlier stages of development. In order to identify the water and mechanical work requirements for compr ...

2014

Direct Carbon Dioxide Hydrogenation into Formic Acid in Acidic Media

Séverine Joëlle Moret

A major challenge in the face of increasing global energy demand is the development of alternative environmentally friendly and renewable energy resources. Hydrogen is an excellent energy carrier, but has drawbacks in storage density and is dangerous to ha ...

EPFL2014

Carbon Nanotubes

Jaap Kroes

This thesis studies carbon nanotubes using state-of-the-art computational methods. Using large-scale quantum-mechanical calculations, based on density-functional-theory, we investigate several important aspects of the physics and chemistry of single-walled ...

EPFL2014

Hydrogen dynamics in the low temperature phase of LiBH4 probed by quasielastic neutron scattering

LiBH4 contains 18.5 wt% hydrogen and undergoes a structural phase transition (orthorhombic → hexagonal) at 381 K which is associated with a large increase in hydrogen and lithium solid-state mobility. We investigated the hydrogen dynamics in the low temper ...

2013

Amorphous Molybdenum Sulfide Films as Hydrogen Evolution Catalysts in Water

Daniel Andreas Merki

Molecular hydrogen is a promising candidate to replace fossil fuels as the energy carrier. Hydrogen does not exist in its molecular form on earth and must therefore be generated, starting from hydrogen-rich compounds. Water would be a renewable resource fo ...

EPFL2012

Mixing of multiple hydrogen plasma beams in a strong magnetic field by ExB drift-induced rotation

Wouter Vijvers

Mixing of up to three similar to 1 cm diameter plasma beams of pure hydrogen as well as mixtures of hydrogen and argon in magnetic fields of

2011

Artificial Photosynthesis at Soft Interfaces

Hubert Girault, Fernando Cortes Salazar, Manuel Alejandro Méndez Agudelo, Peiyu Ge, Haiqiang Deng, Imren Hatay, Patrick Voyame, Zahra Nazemi

The concept of artificial photosynthesis at a polarised liquid membrane is presented. It includes two photosystems, one at each interface for the hydrogen and oxygen evolution respectively. Both reactions involve proton coupled electron transfer reactions, ...

Schweizerische Chemische Gesellschaft2011

A multifaceted approach to hydrogen storage

Bengt Kasemo

The widespread adoption of hydrogen as an energy carrier could bring significant benefits, but only if a number of currently intractable problems can be overcome. Not the least of these is the problem of storage, particularly when aimed at use onboard ligh ...

2011