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Thermally activated and spin-transfer de-pining in FePt nanostructures
We studied the magnetization reversal in FePt/MgO thin layers and FePt/Pt/FePt/MgO spin-valves with perpendicular magnetization deposited by molecular beam epitaxy at... -
Channel Mixing and Spin transport in the Integer Quantum Hall Effect
Edge states are one-dimensional transport channels, emerging in quantum wells in the integer Quantum Hall regime, with remarkable properties of chirality and quantum... -
Ultra-low power Nano-Magneto-Electro-Mechanical-System (NMEMS) for data proce...
As new information and communication technologies boom, the energy consumption of data processing and storage systems has become a major issue. The limits of state of... -
Optical control of the exciton in a single quantum dot
Semiconductor quantum dots InAs/GaAs exhibit optical and electronic properties for which they are often compared to an individual atom. This thesis work focuses on... -
ASIC Innovative design and Process Design Kit development for Hybride CMOS / ...
For several years many non-volatile technologies have been appearing and taking place mainly in the memory world, aiming at replacing all kind of memory. Their assets... -
First-principles study of spintronic phenomena in magnetic tunnel junctions a...
Spintronic phenomena in magnetic tunnel junctions and thin films are very promising from both fundamental and application points of view. They are based on exploring... -
Development of SrTiO3 based magnetic tunnel junctions for low RA applications
This work is focused on the development and the characterization of polycrystalline magnetic tunnel junctions (MTJ) with strontium titanium oxide barrier, SrTiO3,... -
Ultrafast high-frequency magnetization dynamics induced by spin transfer
Magnetoresistive devices are currently used as read heads in hard drives. The context of the miniaturization of magnetic sensors to accommodate the increase in storage... -
Impact of structural defects on spin-polarized transport across magnetic tunn...
In the manuscript it is presented how the spin-polarized transport across magnetic tunnel junctions (MTJ) is affected by presence of structural defects within the... -
Transport phenomenon : contribution of ab initio calculations and applications
In a first part, we studied the magnetic properties of organic radicals (coupled with rare earth or between each other). We calculated the magnetic exchange and the... -
Élaboration et étude de vannes de spin organiques : vers le transport de spin...
Organic electronics is a recent and promising research field. Most electronic devices have nowadays a counterpart using organic semiconductor (OSCs) materials based on... -
Magnetic and ferroelectric tunnel junctions: novel types of memristors.
A memristor is a variable non-volatile nanoresistance which value depends on the quantity of charges that have flown through. This device is very promising as a... -
Electronic read-out of a single nuclear spin based on a molecular spin transi...
This PhD thesis is at a cross-road between three different fields : the spintronics which uses the spin degree of freedom of the electron to build new devices ; the... -
Molecular spintronic using single molecular magnets : fabrication and caracte...
Nowadays, new directions in quantum spintronics aim at transposing the existing concepts and at developing alternative ones with various types of materials, from...
