Marco Cantoni

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Publications associées (71)

Enhanced Quantification for 3D Energy Dispersive Spectrometry: Going Beyond the Limitation of Large Volume of X-Ray Emission

Cécile Hébert, Marco Cantoni, Pierre Burdet

This paper presents a method developed to quantify three-dimensional energy dispersive spectrometry (3D EDS) data with voxel size smaller than the volume from which X-rays are emitted. The influence of the neighboring voxels is corrected by applying recurs ...

Cambridge University Press2014

Semiautomated correlative 3D electron microscopy of in vivo-imaged axons and dendrites

Marco Cantoni, Graham Knott, Bohumil Maco

This protocol describes how in vivo-imaged dendrites and axons in adult mouse brains can subsequently be prepared and imaged with focused ion beam scanning electron microscopy (FIBSESEM). The procedure starts after in vivo imaging with chemical fixation, f ...

Nature Publishing Group2014

Segregation of anion (Cl−) impurities at transparent polycrystalline α-alumina interfaces

Paul Bowen, Cécile Hébert, Marco Cantoni, Farhang Nabiei, Abhishek Tewari

Small amounts of anion impurities (e.g. Cl), which are incorporated during the synthesis of ceramic powders, can affect the properties and microstructure of the final sintered ceramic. The effect of anion impurities is a little studied and poorly understoo ...

Elsevier Sci Ltd2014

Structure analysis of the YBCO layer in Ag/YBCO/metal oxide buffer/Hastelloy composite tape before and after 107 MeV Kr17+ irradiation

Philippe Buffat, Marco Cantoni, Elena Suvorova Buffat

The effects of 107 MeV Kr-84(17+) ion irradiation on YBa2Cu3O7-x-based second-generation coated conductors were investigated using a combination of transmission electron microscopy, diffraction and X-ray energy dispersive spectrometry. Defects 3-5 nm in di ...

Pergamon-Elsevier Science Ltd2014

Advances in 3D focused ion beam tomography

Marco Cantoni

This article summarizes recent technological improvements of focused ion beam tomography. New in-lens (in-column) detectors have a higher sensitivity for low energy electrons. In combination with energy filtering, this leads to better results for phase seg ...

Cambridge University Press2014

Quantitative imaging of flux vortices in the type-II superconductor MgB2 using cryo-Lorentz transmission electron microscopy

Cécile Hébert, Marco Cantoni, Duncan Thomas Lindsay Alexander, Fabrizio Carbone, Janusz Andrzej Karpinski, Mathieu Julien Gino Cottet

Imaging of flux vortices in high quality MgB2 single crystals has been successfully performed in a commercial field-emission gun-based transmission electron microscope. In cryo-Lorentz microscopy, the sample quality and the vortex lattice can be monitored ...

Amer Physical Soc2013

Mechanical and chemical mechanisms in the tribocorrosion of a Stellite type alloy

Stefano Mischler, Marco Cantoni

The tribocorrosion of a Stellite 21 type alloy sliding against alumina in sulfuric acid was investigated in order to identify relevant degradation mechanisms. Tribocorrosion tests were performed using a reciprocating motion pin-on-plate system operating un ...

Elsevier Science Sa2013

Flash Scanning Electron Microscopy

Pascal Fua, Marco Cantoni, Graham Knott, Raphael Sznitman, Aurélien Lucchi

Scanning Electron Microscopy (SEM) is an invaluable tool for biologists and neuroscientists to study brain structure at the intra- cellular level. While able to image tissue samples with up to 5nm isotropic resolution, image acquisition is prohibitively sl ...

2013

Self-assembled quantum dots in a nanowire system for quantum photonics

Anna Fontcuberta i Morral, Nicola Marzari, Marco Cantoni, Martin Heiss, Sonia Conesa Boj, Eleonora Russo, Yannik Fontana, Bernt Ketterer

Quantum dots embedded within nanowires represent one of the most promising technologies for applications in quantum photonics. Whereas the top-down fabrication of such structures remains a technological challenge, their bottom-up fabrication through self-a ...

Nature Publishing Group2013

Correlative in vivo 2 photon and focused ion beam scanning electron microscopy of cortical neurons

Marco Cantoni, Graham Knott, Bohumil Maco

Correlating in vivo imaging of neurons and their synaptic connections with electron microscopy combines dynamic and ultrastructural information. Here we describe a semi-automated technique whereby volumes of brain tissue containing axons and dendrites, pre ...

Public Library of Science2013

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