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Grenoble INP

Institut polytechnique de Grenoble

Grenoble Institute of Technology

M. BEUTIER Guillaume

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Chargé de Recherche CNRS

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PhD position currently open:
Nanoscale imaging of strained crystals with coherent X-rays
(application deadline 3 June 2016)

My research projects focus on the development of advanced X-ray diffraction techniques using synchrotron radiation and using them for various problems of condensed matter physics.
Recent projects deal with:

- Imaging of strain and defects in nanocrystals using Coherent Bragg Imaging, in particular for the understanding of mechanical properties at the nanoscale. Recently we imaged for the first time a dislocation loop in a gold nanocrystal during in situ nanoindentation.

- A fundamental study of crystallographic "forbidden" reflections, their enhancement with resonant X-rays, and the information they provide on the local anisotropy of the resonant atoms. Recently we characterized the Dzyaloshinskii-Moriya interaction (antisymmetric exchange coupling) in a series of weak ferromagnets.

- Quasicrystals and their periodic approximants. Recently we characterized the long range antiferromagnetic order in the series Cd6R (R=Rare-Earth) of approximants. They are of noteworthy interest, since the parent quasicrystals do not show long renage magnetic order.

- The development of a magnetic microscopy method using a combination of Fourier Transform Holography and X-ray Magnetic Circular Dichroism, to image complex micromagnetic configurations in nanostructures.

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Rédigé par Guillaume Beutier

mise à jour le 14 mars 2017

Communauté Université Grenoble Alpes
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