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Univ. Paris-Saclay

Sujet de stage / Master 2 Internship

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Magnetism at interfaces: spin-orbit coupling effects.

Contact: BARRETEAU Cyrille, , cyrille.barreteau@cea.fr, +33 1 69 08 38 56
Summary:
During this internship we will study by means of electronic structure methods the magnetism between a ferromagnetic material and a non-magnetic one (generally) with strong spin-orbit.
Possibility of continuation in PhD: Oui
Deadline for application:02/04/2021

Full description:
Spin-orbit coupling is at the origin of many physical effects and its influence on the magnetic properties of materials is at the center of many experimental and theoretical studies.
In systems where inversion symmetry is absent, exotic phenomena appear. This is the case of the Dzyaloshinskii-Moriya interface interaction for example, which favors non-collinear magnetic structures called chiral-structures such as skyrmions. Even if the origin of this interaction is more or less clear the amplitude and even the sign of this interaction remains very poorly understood and even less controlled.
The objective of this workshop will be to calculate this interaction using electronic structure methods that we will apply to different interfaces in order to elucidate the role of the most relevant physical parameters.

This internship requires a taste for modeling. We will use (and develop) electronic structure codes based on the Density Functional Theory (DFT) and on the tight-binding method.
Technics/methods used during the internship:
Use and development of electronic structure codes Density Functional Theory Tight-Binding Method

Laboratory
Tutor of the internship

 

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