CE09 - Nanomatériaux et nanotechnologies pour les produits du futur

Mixed dimensional van der Waals heterostructures for electronics and spintronics – MIXES

Submission summary

MIXES is a collaborative research project that explores the fundamental structural and electronic properties of novel 2D-0D nanomaterial, made of 2D materials in interaction with self-ordered nanoclusters grown using dry methods compatible with microelectronics industry processes. First results show that these nanomaterials, once implemented into tunnel junctions, demonstrate robust Coulomb blockade oscillations and magneto-Coulomb properties, preserved on device being 6 orders of magnitude larger than usual single-electron devices.

These results have raised questions regarding the underlying fundamental physics that are addressed by this project. In particular, we will address the following fundamental questions: i) What is the chemical/structural/electronic nature of the 2D/0D interface? How are the local/extended structural and electronic properties of 2D/0D nanomaterials influenced by the nature of the 2D/0D interface, when it varies from van der Waals type to covalently bound ? (ii) What is the key mechanism behind many dissimilar nanoclusters apparently behaving as single or identical entities in the 2D-0D nanomaterial? How can it be mastered for simple and large-scale processing of a single electron device? iii) Can it be extended to other 2D materials such as dichalcogenic transition metals? iv) How can these properties be used to create new single electron multifunctional devices?

We follow an interdisciplinary approach covering ab-initio modelling, surface science, structural analysis, nanofabrication and transport measurements. We keep as final goal to use these new knowledges to build novel architecture of multifunctional single-electron electronics and spintronics devices, operating up to room temperature.

Project coordinator

Monsieur Jean-Francois DAYEN (Institut de physique et chimie des matériaux de Strasbourg (UMR 7504))

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

IPCMS Institut de physique et chimie des matériaux de Strasbourg (UMR 7504)
SPEC Service de physique de l'état condensé
IS2M Institut de Sciences des Matériaux de Mulhouse (IS2M) - UMR 7361
Unité mixte de physique CNRS/Thalès

Help of the ANR 492,739 euros
Beginning and duration of the scientific project: September 2019 - 42 Months

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