M. Alouani
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View article: Oxygen vacancy-driven spin-transfer torque across MgO magnetic tunnel junctions
Oxygen vacancy-driven spin-transfer torque across MgO magnetic tunnel junctions Open
Flowing an electrical current that is both of high areal density and large spin polarization across a magnetic tunnel junction (MTJ) can, through spin-transfer torque (STT), alter the relative magnetic orientation of the MTJ’s ferromagneti…
View article: The use of Oil Shale in Cement Manufacturing
The use of Oil Shale in Cement Manufacturing Open
The world's strong economic growth and increasing populations have generated a remarkably growing demand for resources, especially energy. Current conventional sources cannot meet the future needs. Efforts are being focused on renewable en…
View article: Theory of x-ray absorption spectroscopy for ferrites
Theory of x-ray absorption spectroscopy for ferrites Open
The theoretical calculation of the interaction of electromagnetic radiation with matter remains a challenging problem for contemporary electronic structure methods, in particular, for x-ray spectroscopies. This is not only due to the stron…
View article: Theory of x-ray absorption spectroscopy for ferrites
Theory of x-ray absorption spectroscopy for ferrites Open
The theoretical calculation of the interaction of electromagnetic radiation with matter remains a challenging problem for contemporary $ab$ $initio$ electronic structure methods, in particular for x-ray spectroscopies. This is not only due…
View article: Calculated iron $L_{2,3}$ x-ray absorption and XMCD of spin-crossover Fe(phen)$_{2}$(NCS)$_{2}$ molecule adsorbed on Cu(001) surface
Calculated iron $L_{2,3}$ x-ray absorption and XMCD of spin-crossover Fe(phen)$_{2}$(NCS)$_{2}$ molecule adsorbed on Cu(001) surface Open
The PAW method has been used to compute the iron L$_{2,3}$ edges of x-ray absorption spectra (XAS) and x-ray magnetic circular dichroism (XMCD) of the spin-crossover Fe(phen)$_{2}$(NCS)$_{2}$ molecule when adsorbed on Cu(001) surface and i…
View article: When Molecular Dimerization Induces Magnetic Bi‐Stability at the Metal–Organic Interface (Adv. Phys. Res. 1/2023)
When Molecular Dimerization Induces Magnetic Bi‐Stability at the Metal–Organic Interface (Adv. Phys. Res. 1/2023) Open
Molecular Dimers with Induced Magnetic Bi-Stability In article number 2200005, Jean-Pierre Bucher and co-workers present an on-surface assembly method to create metal–organic dimer complexes. Their method, which uses low-temperature scanni…
View article: When Molecular Dimerization Induces Magnetic Bi‐Stability at the Metal–Organic Interface
When Molecular Dimerization Induces Magnetic Bi‐Stability at the Metal–Organic Interface Open
2D metal–organic frameworks have been recently proposed as a flexible platform for realizing new functional materials including quantum phases. Here, we present a method to create metal‐organic dimer complexes by on‐surface assembly on a m…
View article: Quantum Advantage in a Molecular Spintronic Engine that Harvests Thermal Fluctuation Energy
Quantum Advantage in a Molecular Spintronic Engine that Harvests Thermal Fluctuation Energy Open
Recent theory and experiments have showcased how to harness quantum mechanics to assemble heat/information engines with efficiencies that surpass the classical Carnot limit. So far, this has required atomic engines that are driven by cumbe…
View article: Quantum advantage in a spintronic engine with coherently coupled ultrafast strokes using molecular superexchange.
Quantum advantage in a spintronic engine with coherently coupled ultrafast strokes using molecular superexchange. Open
Recent theory and experiments have showcased how to harness quantum mechanics to assemble heat/information engines with efficiencies that surpass the classical Carnot limit. So far, implementing work-producing quantum resources has require…
View article: <i>In Situ</i> Pseudopotentials for Electronic Structure Theory
<i>In Situ</i> Pseudopotentials for Electronic Structure Theory Open
We present a general method of constructing in situ pseodopotentials from first-principles, all-electron, and full-potential electronic structure calculations of a solid. The method is applied to bcc Na, at low-temperature equilibrium volu…
View article: Encoding Information on the Excited State of a Molecular Spin Chain
Encoding Information on the Excited State of a Molecular Spin Chain Open
The quantum states of nano‐objects can drive electrical transport properties across lateral and local‐probe junctions. This raises the prospect, in a solid‐state device, of electrically encoding information at the quantum level using spin‐…
View article: Quantum advantage in a molecular spintronic engine that harvests thermal fluctuation energy
Quantum advantage in a molecular spintronic engine that harvests thermal fluctuation energy Open
Recent theory and experiments have showcased how to harness quantum mechanics to assemble heat/information engines with efficiencies that surpass the classical Carnot limit. So far, this has required atomic engines that are driven by cumbe…
View article: Effect of site disorder on the electronic, magnetic, and ferroelectric properties of gallium ferrite
Effect of site disorder on the electronic, magnetic, and ferroelectric properties of gallium ferrite Open
International audience
View article: Magnetoresistance and spintronic anisotropy induced by spin excitations along molecular spin chains
Magnetoresistance and spintronic anisotropy induced by spin excitations along molecular spin chains Open
Electrically manipulating the quantum properties of nano-objects, such as atoms or molecules, is typically done using scanning tunnelling microscopes and lateral junctions. The resulting nanotransport path is well established in these mode…
View article: Fluorinated Phthalocyanine Molecules on Ferromagnetic Cobalt: A Highly Polarized Spinterface
Fluorinated Phthalocyanine Molecules on Ferromagnetic Cobalt: A Highly Polarized Spinterface Open
International audience
View article: Incommensurate Quantum Size Oscillations of Oligoacene Wires Adsorbed on Au(111)
Incommensurate Quantum Size Oscillations of Oligoacene Wires Adsorbed on Au(111) Open
Acenes have attracted interest for a long time partly because of their electronic structure and partly because they are expected to show interesting correlation effects. For the isolated molecules, our recent theoretical work suggests a po…
View article: Cu metal / Mn phthalocyanine organic spinterfaces atop Co with high spin polarization at room temperature
Cu metal / Mn phthalocyanine organic spinterfaces atop Co with high spin polarization at room temperature Open
The organic spinterface describes the spin-polarized properties that develop, due to charge transfer, at the interface between a ferromagnetic metal (FM) and the molecules of an organic semiconductor. Yet, if the latter is also magnetic (e…
View article: Explicit proof of hole transport across a MgO-based magnetic tunnel junction due to oxygen vacancies
Explicit proof of hole transport across a MgO-based magnetic tunnel junction due to oxygen vacancies Open
The quantum mechanical tunnelling process conserves the quantum properties of the particle considered. As applied to solid-state tunnelling (SST), this physical law was verified, within the field of spintronics, regarding the electron spin…
View article: Hole transport across MgO-based magnetic tunnel junctions with high resistance-area product due to oxygen vacancies
Hole transport across MgO-based magnetic tunnel junctions with high resistance-area product due to oxygen vacancies Open
The quantum mechanical tunnelling process conserves the quantum properties of the particle considered. As applied to solid-state tunnelling (SST), this physical law was verified, within the field of spintronics, regarding the electron spin…