Eleonora Russo

Cette personne n’est plus à l’EPFL

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Publications associées (28)

Hybrid axial and radial Si-GaAs heterostructures in nanowires

Christophe Ballif, Anna Fontcuberta i Morral, Martin Heiss, Sylvain Dunand, Daniel Rüffer, Sonia Conesa Boj, Eleonora Russo

Hybrid structures are formed from materials of different families. Traditionally, group IV and III-V semiconductors have not been integrated together in the same device or application. In this work we present a new approach for obtaining Si-GaAs hybrid het ...

Royal Society of Chemistry2013

Nanoscale multifunctional sensor formed by a Ni nanotube and a scanning Nb nanoSQUID

Anna Fontcuberta i Morral, Daniel Rüffer, Eleonora Russo, Dirk Grundler

Nanoscale magnets might form the building blocks of next generation memories. To explore their functionality, magnetic sensing at the nanoscale is key. We present a multifunctional combination of a nanometer-sized superconducting quantum interference devic ...

American Physical Society2013

Enhanced second harmonic generation from InAs nano-wing structures on silicon

Anna Fontcuberta i Morral, Anna Dalmau Mallorquí, Eleonora Russo, Ignasi Canales Mundet

We demonstrate morphology-dependent second-harmonic generation (SHG) from InAs V-shaped nanomembranes. We show SHG correlation with the nano-wing shape and size, experimentally quantify the SHG efficiency, and demonstrate a maximum SHG enhancement of about ...

Royal Society of Chemistry2013

Cantilever Magnetometry of Individual Ni Nanotubes

Anna Fontcuberta i Morral, Eleonora Russo, Dirk Grundler

Recent experimental and theoretical work has focused on ferromagnetic nanotubes due to their potential applications as magnetic sensors or as elements in high-density magnetic memory. The possible presence of magnetic vortex states-states which produce no ...

Amer Chemical Soc2012

Suppression of three dimensional twinning for a 100% yield of vertical GaAs nanowires on silicon

Anna Fontcuberta i Morral, Lionel Michelet, Martin Heiss, Emanuele Uccelli, Eleonora Russo

Multiple seed formation by three-dimensional twinning at the initial stages of growth explains the manifold of orientations found when self-catalyzed GaAs nanowires grow on silicon. This mechanism can be tuned as a function of the growth conditions by chan ...

2012

Magnetic states of an individual Ni nanotube probed by anisotropic magnetoresistance

Anna Fontcuberta i Morral, Martin Heiss, Daniel Rüffer, Eleonora Russo, Dirk Grundler

Defined magnetization states in magnetic nanotubes could be the basic building blocks for future memory elements. To date, it has been extremely challenging to measure the magnetic states at the single-nanotube level. We investigate the magnetization state ...

Royal Soc Chemistry2012

Vertical "III-V" V-Shaped Nanomembranes Epitaxially Grown on a Patterned Si[001] Substrate and Their Enhanced Light Scattering

Anna Fontcuberta i Morral, Martin Heiss, Anna Dalmau Mallorquí, Sonia Conesa Boj, Eleonora Russo, Ludovit Pavel Zweifel

We report on a new form of III-IV compound semiconductor nanostructures growing epitaxially as vertical V-shaped nanomembranes on Si(001) and study their light-scattering properties. Precise position control of the InAs nanostructures in regular arrays is ...

American Chemical Society2012

Three-Dimensional Multiple-Order Twinning of Self-Catalyzed GaAs Nanowires on Si Substrates

François Morier-Genoud, Gabriel Mugny, Anna Fontcuberta i Morral, Martin Heiss, Emanuele Uccelli, Eleonora Russo

In this paper we introduce a new paradigm for nanowire growth that explains the unwanted appearance of parasitic nonvertical nanowires. With a crystal structure polarization analysis of the initial stages of GaAs nanowire growth on Si substrates, we demons ...

American Chemical Society2011

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