Overview

The group activities cover up-stream research on physical phenomenon potentially useful for future sensors, as well as sensor development (proof of concept) and expertise to support industrial R&D. This experimental research is essentially based on magnetic (VSM, MOKE) and electric measurements (magnetotransport, noise).

Research topics

Towards gate controlled devices

The control of magnetic interfacial properties by a gate voltage allows low power control of spintronic devices and provides a versatile, local and dynamic degree of freedom that can be implemented in innovative designs. Aiming at an efficient control of devices, we optimize materials and unravel the mechanisms of electric field effect on interfacial anisotropy, Dzyalonshinskii-Moriya interaction (DMI), and non-trivial spin textures such as skyrmions.

Ultra-sensitive sensor for space

We develop an ultra-sensitive sensor able to detect magnetic fields smaller than 1pT at low frequency. This sensor could replace magnetic sensors usually boarded on space mission with a significant weight reduction, or be used for magneto-cardiography.

Industrial sensor design

We provide design principles to the company Crocus Technology to target specific sensor performance in terms of sensitivity, noise, detectivity, linearity, and hysteresis. For this purpose, we perform electrical characterization, noise measurements and analysis, and numerical simulations.

BARADUC Claire

Research scientist

BÉA Hélène

Teaching scientist

BRUN Thomas

PhD student

FISCHER Johanna

Research scientist

GUENEAU Capucine

PhD student

MALUCELLI Lucia

PhD student

PREJBEANU Lucian

Research scientist

SABON Philippe

Research engineer

Recent news

• ADMIS – An ANR project (August 12th, 2019)
  A very exciting field of research has recently been devoted to magnetic skyrmions: they are potential candidates to overcome the power consumption problems of the conventional microelectronic Von Neuman architectures where memory and logic functions ...
  
• A Route towards Dynamic Control of Skyrmion Chirality (February 11th, 2019)
  The very popular magnetic bubbles called skyrmions are promising for dense data storage, logic and neuromorphic applications thanks to the unique sense of rotation (chirality) of their surrounding domain wall. The so-called Dzyaloshinskii−Moriya Interaction (DMI) is ...
  
• Creation of Magnetic Skyrmion Bubble Lattices by Ultrafast Laser in Ultrathin Films (December 18th, 2018)
  Magnetic skyrmions are topologically nontrivial magnetic domains where the magnetization rotates in a fixed sense (chirality). They are usually created by magnetic fields or by non-homogeneous electric currents. Here S.G. Je et al. have shown ...
  
• Seminar – An experimentalist view of the Gilbert damping in FeCoB/MgO systems (November 29th, 2018)
  On December 18, we have the pleasure to welcome Thibaut Devolder from C2N-CNRS at Orsay, France. He will give us a seminar at 14:00, CEA/Spintec, Bat. 1005, room 434A entitled : An experimentalist view of the ...
  
• Masters thesis projects for Spring 2019 (October 10th, 2018)
  You find here the list of proposals for Master-2 internships to take place during Spring 2019. In most cases, these internships are intended to be suitable for a longer-term PhD work. Interested Master-1 students are ...
  

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Publications