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Publications associées (26)

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Tunable Short-Wavelength Spin-Wave Emission and Confinement in Anisotropy-Modulated Multiferroic Heterostructures

Dirk Grundler

We report on the generation and confinement of short-wavelength spin waves in a continuous film with periodically modulated magnetic anisotropy. The concept, which is demonstrated for strain-coupled Co40Fe40B20/BaTiO3 heterostructures, relies on abrupt rot ...

American Physical Society (APS)2017

Towards higher electron mobility in modulation doped GaAs/AlGaAs core shell nanowires

Anna Fontcuberta i Morral, Gözde Tütüncüoglu, Sonia Conesa Boj

Precise control over the electrical conductivity of semiconductor nanowires is a crucial prerequisite for implementation of these nanostructures into novel electronic and optoelectronic devices. Advances in our understanding of doping mechanisms in nanowir ...

Royal Society of Chemistry2017

Atomic Scale Observation of Chemical and Electronic Properties of Metal-Oxide Surfaces

Christian Alexander Stephan Dette

To meet the future global energy demand - an estimated additional 10 terawatts (TWs) per year in 2050 - a diversification of energy sources and fuels is needed. Solar energy represents a prominent alternative energy source. An important material for these ...

EPFL2016

Le Jatropha : une plante écologique et un biocarburant durable?

Massimiliano Capezzali, Mélanie Guittet

La culture du Jatropha pour la production d’agrocarburants a suscité beaucoup d’espoir dans les années 2005 à 2008. Malheureusement, malgré les nombreuses opportunités de marché, la filière souffre de graves problèmes de fond. Aussi, en octobre 2014, les m ...

2015

Counting the cycles of light using a self-referenced optical microresonator

Tobias Kippenberg, Martin Hubert Peter Pfeiffer, Victor Brasch, Tobias Herr, John David Jost, Caroline Marie Anne Lecaplain

Phase coherently linking optical-to-radio frequencies with femtosecond mode-locked laser frequency combs has enabled counting the cycles of light and is the basis of optical clocks, absolute frequency synthesis, tests of fundamental physics, and improved s ...

Optical Soc Amer2015

Magnetoelectric effects in the skyrmion host material Cu2OSeO3

Helmuth Berger

Insulating helimagnetic Cu2OSeO3 shows sizeable magnetoelectric effects in its skyrmion phase. Using magnetization measurements, magneto-current analysis and dielectric spectroscopy, we provide a thorough investigation of magnetoelectric coupling, polariza ...

Nature Publishing Group2015