Stéphane Andrieu
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View article: Predicting 1‐year heart failure hospitalization and mortality post‐discharge from the intensive cardiac care unit
Predicting 1‐year heart failure hospitalization and mortality post‐discharge from the intensive cardiac care unit Open
Aims Despite the high risk of rehospitalization for heart failure (HF) and death among patients admitted to the intensive cardiac care unit (ICCU), no accurate prediction score for these outcomes exists. We aimed to develop a risk score to…
View article: Strain-induced magnetic moment variations at the picosecond timescale
Strain-induced magnetic moment variations at the picosecond timescale Open
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View article: Machine learning score to predict in-hospital outcomes in patients hospitalized in cardiac intensive care unit
Machine learning score to predict in-hospital outcomes in patients hospitalized in cardiac intensive care unit Open
Aims Although some scores based on traditional statistical methods are available for risk stratification in patients hospitalized in cardiac intensive care units (CICUs), the interest of machine learning (ML) methods for risk stratificatio…
View article: Supervised machine learning including environmental factors to predict in-hospital outcomes in acute heart failure patients
Supervised machine learning including environmental factors to predict in-hospital outcomes in acute heart failure patients Open
Aims While few traditional scores are available for risk stratification of patients hospitalized for acute heart failure (AHF), the potential benefit of machine learning (ML) is not well established. We aimed to assess the feasibility and …
View article: Magnetic moment of thin film superconductors: When thickness matters
Magnetic moment of thin film superconductors: When thickness matters Open
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View article: Spin injection at MgB2-superconductor/ferromagnet interface
Spin injection at MgB2-superconductor/ferromagnet interface Open
There is a growing interest in mixing spintronics and superconductivity to develop original energy-efficient nonvolatile memory and logic devices. Research works conducted so far have mostly focused on superconductor with critical temperat…
View article: Stoichiometry-Driven Formation of Two-Dimensional Ternary Oxides: From Quasicrystal Approximants to Honeycomb Lattice Structures
Stoichiometry-Driven Formation of Two-Dimensional Ternary Oxides: From Quasicrystal Approximants to Honeycomb Lattice Structures Open
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View article: Engineering of perpendicular magnetic anisotropy in half-metallic magnetic Heusler epitaxial thin films
Engineering of perpendicular magnetic anisotropy in half-metallic magnetic Heusler epitaxial thin films Open
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View article: Machine learning to predict in-hospital outcomes in patients with acute heart failure
Machine learning to predict in-hospital outcomes in patients with acute heart failure Open
Background Acute heart failure (AHF) is a leading cause of mortality worldwide and a major public health issue with a still high rate of in-hospital outcomes. Physicians need more investigations and new tools to prevent those high-risk pat…
View article: Testing the topological insulator behavior of half-Heusler PdYBi and PtYBi (111) epitaxial thin films
Testing the topological insulator behavior of half-Heusler PdYBi and PtYBi (111) epitaxial thin films Open
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View article: Prevalence and impact of recreational drug use in patients with acute cardiovascular events
Prevalence and impact of recreational drug use in patients with acute cardiovascular events Open
Objective While recreational drug use is a risk factor for cardiovascular events, its exact prevalence and prognostic impact in patients admitted for these events are not established. We aimed to assess the prevalence of recreational drug …
View article: Two-dimensional square and hexagonal oxide quasicrystal approximants in SrTiO<sub>3</sub> films grown on Pt(111)/Al<sub>2</sub>O<sub>3</sub>(0001)
Two-dimensional square and hexagonal oxide quasicrystal approximants in SrTiO<sub>3</sub> films grown on Pt(111)/Al<sub>2</sub>O<sub>3</sub>(0001) Open
An all-thin-film approach allows the synthesis of novel two-dimensional quasicrystalline approximants and an atomic scale description is provided based on combined experimental and theoretical investigations.
View article: Issues in growing Heusler compounds in thin films for spintronic applications
Issues in growing Heusler compounds in thin films for spintronic applications Open
Heusler magnetic alloys offer a wide variety of electronic properties very promising for spintronics and magnonics. Some alloys exhibit a spin gap in their band structure at the Fermi energy, the so-called half-metal magnetic (HMM) behavio…
View article: Engineering Co<sub>2</sub>MnAl<i><sub>x</sub></i>Si<sub>1−</sub><i><sub>x</sub></i> Heusler Compounds as a Model System to Correlate Spin Polarization, Intrinsic Gilbert Damping, and Ultrafast Demagnetization
Engineering Co<sub>2</sub>MnAl<i><sub>x</sub></i>Si<sub>1−</sub><i><sub>x</sub></i> Heusler Compounds as a Model System to Correlate Spin Polarization, Intrinsic Gilbert Damping, and Ultrafast Demagnetization Open
Engineering of magnetic materials for developing better spintronic applications relies on the control of two key parameters: the spin polarization and the Gilbert damping, responsible for the spin angular momentum dissipation. Both of them…
View article: Engineering Co$_2$MnAl$_x$Si$_{1-x}$ Heusler compounds as a model system to correlate spin polarization, intrinsic Gilbert damping and ultrafast demagnetization
Engineering Co$_2$MnAl$_x$Si$_{1-x}$ Heusler compounds as a model system to correlate spin polarization, intrinsic Gilbert damping and ultrafast demagnetization Open
Engineering of magnetic materials for developing better spintronic applications relies on the control of two key parameters: the spin polarization and the Gilbert damping responsible for the spin angular momentum dissipation. Both of them …
View article: Polycrystalline Co2Mn-based Heusler thin films with high spin polarization and low magnetic damping
Polycrystalline Co2Mn-based Heusler thin films with high spin polarization and low magnetic damping Open
Spin-polarization and magnetic damping are measured for several polycrystalline films with each of them being made of a different single Co2Mn-based Heusler compound. As several epitaxial Co2Mn-based Heusler compounds are shown to be half-…
View article: Chaos in Magnetic Nanocontact Vortex Oscillators
Chaos in Magnetic Nanocontact Vortex Oscillators Open
We present an experimental study of spin-torque driven vortex self-oscillations in magnetic nanocontacts. We find that, above a certain threshold in applied currents, the vortex gyration around the nanocontact is modulated by relaxation os…
View article: Recovery of surface state bands after desorption of Te capping layer on (Bi<sub>1−<i>x</i> </sub>Sb<sub> <i>x</i> </sub>)<sub>2</sub>Te<sub>3</sub> ternary topological insulators
Recovery of surface state bands after desorption of Te capping layer on (Bi<sub>1−<i>x</i> </sub>Sb<sub> <i>x</i> </sub>)<sub>2</sub>Te<sub>3</sub> ternary topological insulators Open
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View article: Ultra-low magnetic damping in Co 2 Mn-based Heusler compounds: promising materials for spintronic
Ultra-low magnetic damping in Co 2 Mn-based Heusler compounds: promising materials for spintronic Open
The prediction of ultra-low magnetic damping in Co 2 MnZ Heusler half-metal thin-film magnets is explored in this study and the damping response is shown to be linked to the underlying electronic properties. By substituting the Z elements …
View article: Co$_2$ Mn-based Heusler compounds for spintronics: Chemical order and interplay between the magnetic damping and the underlying electronic structure
Co$_2$ Mn-based Heusler compounds for spintronics: Chemical order and interplay between the magnetic damping and the underlying electronic structure Open
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View article: Coherent Resonant Tunneling through Double Metallic Quantum Well States
Coherent Resonant Tunneling through Double Metallic Quantum Well States Open
Study of resonant tunneling through multimetallic quantum well (QW) structure is not only important for the fundamental understanding of quantum transport but also for the great potential to generate advanced functionalities of spintronic …
View article: Experimental Observation of Chaos in Magnetic Nanocontact Vortex Oscillators
Experimental Observation of Chaos in Magnetic Nanocontact Vortex Oscillators Open
We present an experimental study of spin-torque driven vortex self-oscillations in magnetic nanocontacts. We find that above a certain threshold in applied currents, the vortex gyration around the nanocontact is modulated by relaxation osc…
View article: Cobalt-based Heusler alloys for spintronics: Half-metallicity and ultra-low damping investigation of the Co$_2$ MnX series
Cobalt-based Heusler alloys for spintronics: Half-metallicity and ultra-low damping investigation of the Co$_2$ MnX series Open
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View article: Statistical study of domain-wall depinning induced by magnetic field and current in an epitaxial Co/Ni-based spin-valve wire
Statistical study of domain-wall depinning induced by magnetic field and current in an epitaxial Co/Ni-based spin-valve wire Open
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View article: Epitaxial cobalt-based Heusler alloys for spintronic applications: Elaboration, structural and magnetic investigation
Epitaxial cobalt-based Heusler alloys for spintronic applications: Elaboration, structural and magnetic investigation Open
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