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Photophysical characterization of single molecules in thin films
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceApril 4 20256 monthDomain, Specialties : Molecular physics Keywords: Nanophotonics, Spectroscopy, Single photon emitters, Quantum mechanics Research Unit : SPEC / LEPO The aim of this internship is to prepare polymer thin films, doped with organic molecules of interest, and characterize them at the single-molecule scale using advanced microscopy techniques. In two research projects, our team is studying…
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Magneto-ionic gating in magnetic tunnel junctions
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceMarch 1 20256 monthDomain, Specialties : PHYSICS Keywords: Spintronics, ionic gating of magnetic anisotropy, neuromorphic computing Research Unit : SPEC/LNO Magneto-ionics is an emerging field that offers great potential for reducing power consumption in spintronics memory applications through non-volatile control of magnetic properties through gating. By combining the concept of voltage-controlled ionic motion from memristor technologies, typically used…
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Internal structure of ferroelectric nanocrystals: coupling between local piezoresistance microscopy and optical measurements
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 1 20244 monthDomain, Specialties : Condensed matter physics Keywords: Nanosciences, nanotechnologies, photonics, local probe microscopy Research Unit : SPEC / LEPO This internship aims at correlating local probe measurements (AFM electrical modes) to optical measurements (frequency conversion, in particular 2nd harmonic generation – SHG) in order to reveal the structure of piezoelectric nanocrystals towards a better understanding…
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Physics of fracture: Experimentally demonstrating the role of local heating on crack dynamics
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 3 20256 monthDomain, Specialties : Material physics Keywords: Fracture, solid state physics Research Unit : SPEC / SPHYNX The aim of this internship is to set up and optimize a new method for studying material fractures. It consists in post-mortem imaging of the localized heating that occurred during fracture propagation, by micro-Raman analysis of the partial carbonization…
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Study of electronic processes in nitride LEDs by electro-emission microscopy
December 1 20246 monthDomain, Specialties : Condensed matter physics Keywords: Energy efficient devices, semiconductors, microscopy Research Unit : SPEC / LEPO Although nitride LEDs are extremely efficient at low indium content (for blue emission) and low current densities, they suffer from drastic drops in efficiency when going out of theses regimes, partly due to an increase of Auger-Meitner…
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Epitaxial multifunctionnal multiferroic oxynitride thin films
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 1 20255 monthDomain, Specialties : Condensed matter physics Keywords: Oxinitrides, molecular beam epitaxy, ferroélectricité, ferrimagnétisme, synchrotron, lithography Research Unit : SPEC / LNO Epitaxial multifunctionnal multiferroic oxynitride thin films The objective of the internship is to grow epitaxial thin multiferroic ferrite/perovskite (CoFe2(OxN1-x)4/N:BaTiO3 oxynitride films by oxygen and nitrogen plasma assisted molecular beam epitaxy: a potentially new magnetoelectric…
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Giant magnetoresistance resistors for local characterization of surface magnetic state: towards Non-Destructive Testing (NDT) applications
CDDCEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceJanuary 6 202536 monthCIFRE thesis in the field of non-destructive testing using magnetic sensors in collaboration with 3 partners: Laboratoire de Nanomagnétisme et Oxyde (SPEC/LNO) du CEA Paris-Saclay Laboratoire de Génie Electrique et Ferroélectricité (LGEF) de l’INSA Lyon Entreprise CmPhy La grande majorité des aciers de structure et de construction utilisés par l’industrie du transport, de l’énergie et…
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Application of the diffusing wave spectroscopy to the study of boundary layers in turbulent convection
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 3 20256 monthDomain, Specialties : Liquid physics Keywords: Tubulence Convection Research Unit : SPEC/SPHYNX The aim of the internship will be to contribute to the set up of a convection experiment to study dissipation in boundary layers in the turbulent regime. To do so, we will use an innovative technique developed in the team: multi-diffuse wave spectroscopy.…
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Energy and material investment in railway development during the industrial revolution
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 3 20254 monthDomain, Specialties : PHYSICS Keywords: network theory ; energy investment ; energy transition ; materials Research Unit : SPEC/SPHYNX We are working on the link between energy transition and network development, coupling statistical physics tools with resource economics considerations. In this internship, we propose to explore the historical case of the development of the railway…
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Local control and imaging of ferroelectric domains in HfZrO2 layers using piezoelectric force (PFM) and electron microscopy (LEEM-PEEM) techniques
Stage M2CEA Saclay, (91) Essonne, FranceFebruary 3 20255 monthDomain, Specialties : Material physics Keywords: Surfaces, interfaces, imaging, microscopy, PFM, LEEM, PEEM Research Unit : SPEC/LENSIS This internship focuses on the characterization of ferroelectric (FE) domains in hafnium zirconium oxide (HZO) films. We propose to train the student to use several surface imaging techniques (piezoelectric force microscopy, PFM, low energy electron microscopy, LEEM, and…
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Magnetic mapping using magnetoresistive magnetic sensors.
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 3 20256 monthDomain, Specialties : PHYSICS Keywords: Magnetic sensor, stray fields Research Unit : The aim of the internship will be to optimize the magnetoresistive sensors, the 3D probe and the scanner of the setup developed in the laboratory and enabling the quantitative and vectorial measurement of leakage fields emitted by various samples ranging from paleomagnetic rocks…
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Local magnetic microscopy by integrating magnetoresistive sensors
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceFebruary 3 20256 monthDomain, Specialties : PHYSICS Keywords: magnetic sensor, local probe microscopy, magnetoresistance Research Unit : SPEC/LNO The aim of the internship is to study the effect of integrating magnetoresistive magnetic sensors into flexible AFM-type cantilever on their performance. The sensors, designed to be integrated into an ultrasensitive magnetic microscope, will be microfabricated in a clean room…
PhD thesis
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Flying Qubit in Graphene
GNE : Mesoscopic physicsSaclayThe solid-state systems, presently considered for quantum computation, are built from localized two-level systems, prime examples are superconducting qubits or semiconducting quantum dots. Due to… -
Fluorescence photoswitching for excitonic gate
LEPO : Physical chemistry and electrochemistrySaclayFörster Resonance Energy Transfer (FRET) enables the exciton diffusion between molecules through a characteristic distance of 1 to 10 nm. The association of multiple fluorophores represents a… -
Magneto-ionic gating of magnetic tunnel junctions for neuromorphic applications
LNO : Emerging materials and processes for nanotechnologies and microelectronicsParis-Saclay Physique et Ingénierie: électrons, photons et sciences du vivant (EOBE) SaclayMagneto-ionics is an emerging field that offers great potential for reducing power consumption in spintronics memory applications through non-volatile control of magnetic properties through gating.… -
Quantum computing with nuclear spins
GQ : New computing paradigms, circuits and technologies, incl. quantumParis-Saclay Physique en Île-de-France (EDPIF) SaclayNuclear spins in solids are amongst the quantum systems with the longest coherence times, up to minutes or even hours, and as such are attractive qubit candidates; however, controlling and reading… -
Experimental study of boundary layers in turbulent convection by diffusive waves spectroscopy
SPHYNX : Soft matter and complex fluidsParis-Saclay Physique en Île-de-France (EDPIF) SaclayTurbulent convection is one of the main drivers of geophysical and astrophysical flows, and is therefore a key element in climate modeling. It is also involved in many industrial flows. Transport… -
Early diagnosis of sepsis using a GMR sensor-based biochip
LNO : Health and environment technologies, medical devicesParis-Saclay Physique en Île-de-France (EDPIF) SaclaySepsis, an extreme and deregulated immune response to an infection that then spreads through the bloodstream, can lead to organ dysfunction and death (11 million deaths worldwide every year). The… -
Can we predict the weather or the climate?
SPHYNX : Theoretical PhysicsParis-Saclay Physique en Île-de-France (EDPIF) SaclayAccording to everyone’s experience, predicting the weather reliably for more than a few days seems an impossible task for our best weather agencies. Yet, we all know of examples of “weather … -
Sub-critical crack growth in oxide glasses
SPHYNX : Solid state physics, surfaces and interfacesAutre Physique en Île-de-France (EDPIF) SaclayMaterial failure is a concern for scientists and engineers worldwide. This includes oxide glasses, which are integral parts of building, electronics, satellites due to multiple advantageous… -
Novel oxynitride based artificial multiferroic oxynitride thin films
LNO : Solid state physics, surfaces and interfacesParis Sciences et Lettres Physique en Île-de-France (EDPIF) SaclayN-doped oxides and/or oxinitrides constitute a booming class of compounds with a broad spectrum of useable properties and in particular for novel technologies of carbon-free energy production,… -
Thermoelectric energy conversion control via coordination chemistry of transition metal redox ions in ionic liquids
SPHYNX : Physical chemistry and electrochemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayThermoelectricity, a materials’ capability to convert heat in to electric energy has been known to exist in liquids for many decades. Unlike in solids, this conversion process liquids take several… -
Giant magnetoresistance resistors for local characterization of surface magnetic state: towards Non-Destructive Testing (NDT) applications
LNO : Solid state physics, surfaces and interfacesINSA Lyon Electronique, Electrotechnique et Automatique (EEA) SaclayCIFRE thesis in the field of non-destructive testing using magnetic sensors in collaboration with 3 partners: Laboratoire de Nanomagnétisme et Oxyde (SPEC/LNO) du CEA Paris-Saclay Laboratoire de… -
Perovskite ferroelectric oxynitride thin films with tunable properties
LNO : Solid state physics, surfaces and interfacesParis-Saclay Physique en Île-de-France (EDPIF) SaclayN-doped oxides and/or oxinitrides constitute a booming class of compounds with a broad spectrum of useable properties and in particular for novel technologies of carbon-free energy production.… -
Study of electronic processes in nitride LEDs by electro-emission microscopy
LEPO : Solid state physics, surfaces and interfacesParis-Saclay Ondes et Matière (EDOM) SaclayNitride LEDs are universally used for energy-efficient lighting. They are extremely efficient at low indium content and low current density, allowing to produce commercial white LEDs from a blue LED…