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Tuning Giant Rashba Spin-Orbit Coupling in Polar Single Layer Transition Metal Dichalcogenides – GRaSkop

Submission summary

With charge-based electronics getting to their limits in storage density, speed and energy consumption, spin-based electronics (spintronics) is now a central research topic and promises significant improvements in device performances. Controlling spins with an electric field is a major goal in spintronics. The GRaSkop project aims at studying and exploiting the Rashba spin-orbit coupling (SOC) in polar two-dimensional transition metal dichalcogenides. We aim to study the electronic and optical properties of single layer MXY (MoSSe, WSSe) grown by CVD with different % of S and Se. Our goal is to study systematically the electronic band structure modifications of the WSSe using Angle-Resolved Photoemission Spectroscopy combined with photoluminescence/reflectance measurements, with support from theoretical calculations. Such an approach will allow us to monitor the realization of opto-electronic devices of different types and perform magnetic-field- and temperature-dependent transport. A main objective is to determine the high Rashba spin-orbit coupling within these materials.

Project coordinator

Abdelkarim Ouerghi (Centre de Nanosciences et de Nanotechnologies)

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

INSP Institut des nanosciences de Paris
LNCMI LABORATOIRE NATIONAL DES CHAMPS MAGNETIQUES INTENSES
C2N Centre de Nanosciences et de Nanotechnologies

Help of the ANR 441,768 euros
Beginning and duration of the scientific project: December 2019 - 42 Months

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