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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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175 papers · 1 filter
Spin-polarization of the electric current in half-metallic CoMnSi Heusler thin films
José Solano Córdova, Anna Maria Friedel, Quentin Rossi +6
Using propagating spin wave spectroscopy we measure the spin wave Doppler shift in patterned MgO/CoMnSi/MgO thin films and determine the degree of spin-polarization of the elec…
Magnesium-graphene interphase boundaries created by high-pressure torsion enhance hydrogen storage kinetics:Mechanisms and significance of activation energy and frequency factor
Runchen Zhou, Payam Edalati, Anthony Alhayek +6
A strategy to overcome sluggish hydrogenation/dehydrogenation of magnesium is demonstrated by creating magnesium-graphene interphase boundaries via high-pressure torsion (HPT). HPT…
From Ultrafast Demagnetization to Ultrafast Spintronics : a 30 years story
Quentin Remy, Stéphane Mangin
The discovery of femtosecond laser-induced ultrafast demagnetization in 1996 opened a new field, femtomagnetism, in which magnetic order can be quenched on timescales shorter than…
Type-II-like ultrafast demagnetization behavior in NiCo2O4 thin films
Ryunosuke Takahashi, Kaede Yamada, Harjinder Singh +10
Rare-earth-ferrimagnetic oxides are emerging as attractive platforms for investigating ultrafast spin dynamics. Here, we study the photoinduced magnetization dynamics of epitaxial…
Emerging hierarchical dislocation structures: Insights from scanning electron microscopy-electron backscatter diffraction in situ tensile testing and multifractal analysis
Mikhail Lebyodkin, Maxim Gussev, Jamieson Brechtl +1
Understanding the evolution of dislocation structures during plastic deformation is critical for predicting the mechanical performance of metallic materials. In this work, we appli…
RF field characterization and rectification effects in spin pumping and spin-torque FMR for spin-orbitronics
Melissa Yactayo, Michel Hehn, J. -C. Rojas-Sánchez +1
Quantifying spin-orbital-to-charge conversion efficiency is crucial for spin-orbitronics. Two widely used methods for determining these efficiencies are based on ferromagnetic reso…
Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor
Xingchen Shen, Jiongzhi Zheng, Michael Marek Koza +9
Ultralow glass-like lattice thermal conductivity in crystalline materials is crucial for enhancing energy conversion efficiency in thermoelectrics and thermal insulators. We introd…
Conduction Band Structure and Ultrafast Dynamics of Ferroelectric -GeTe(111)
Geoffroy Kremer, Laurent Nicolaï, Frédéric Chassot +9
-GeTe(111) is a non-centrosymmetric ferroelectric (FE) material for which a significative lattice distortion combined with a strong spin-orbit interaction gives rise to giant Ra…
Diffuson-Dominated Thermal Transport Crossover from Ordered to Liquid-like CuBiS:The Negligible Role of Ion Hopping
Jincheng Yue, Jiongzhi Zheng, Xingchen Shen +7
Fundamentally understanding lattice dynamics and thermal transport behavior in liquid-like, partially occupied compounds remains a long-standing challenge in condensed matter physi…
Interfacial Behavior from the Atomic Blueprint: Machine Learning-Guided Design of Spatially Functionalized a-SiO2 Surfaces
Evgenii Strugovshchikov, Viktor Mandrolko, Dominika Lesnicki +3
a-Quartz surfaces functionalized with hydroxyl and methyl groups provide a versatile platform for controlling interfacial properties critical to applications such as catalysis, pro…
Tailoring non-collinear magnetism and 3d 4f exchange interactions in RVO epitaxial thin films
O. Copie, J. Varignon, I. C. Infante +8
In orthorhombic perovskite oxides (RMO), substituting R rare-earth cations tailors the spin, orbital, and charge degrees of freedom of the central M transition me…
Parity Metamaterials and Dynamic Acoustic Mimicry
Jinjie Shi, Hongchen Chu, Aurelien Merkel +4
While parity transformation represents a fundamental symmetry operation in physics, its implications remain underexplored in metamaterial science. Here, we introduce a framework le…
Single-Shot Magnetization Reversal in Ferromagnetic Spin Valves Enabled via Heat Control
Kazuaki Ishibashi, Junta Igarashi, Alberto Anadón +7
We study laser induced ultrafast magnetization reversal in a ferromagnetic spin valve by comparing the effects of direct laser excitation and ultrashort hot electron pulses. A wedg…
Effect of substrate temperature on the deposition of Al-doped ZnO thin films using high power impulse magnetron sputtering
Martin Mickan, Ulf Helmersson, David Horwat
Al-doped ZnO thin films were deposited using reactive high power impulse magnetron sputtering at substrate temperatures between room temperature and 600 C. Two sample ser…
Nanoscale characterization of atomic positions in orthorhombic perovskite thin films
M. Martirosyan, S. Passuti, G. Masset +12
The crystal structure determines many of the physical properties of oxide perovskites (ABO) and only a tiny modification of the lattice structure causes major changes in the fu…
Influence of Chemistry and Topography on the Wettability of Copper
Sarah Marie Lößlein, Rolf Merz, Yerila Rodríguez-Martínez +5
To understand the complex interplay of topography and surface chemistry in wetting, fundamental studies investigating both parameters are needed. Due to the sensitivity of wetting…
Energy-efficient picosecond spin-orbit torque magnetization switching in ferro- and ferrimagnetic films
Eva Díaz, Alberto Anadón, Pablo Olleros-Rodríguez +7
Electrical current pulses can be used to manipulate magnetization efficiently via spin-orbit torques (SOTs). Pulse durations as short as a few picoseconds have been used to switch…
High-quality hexagonal boron nitride selectively grown on patterned epigraphene by MOVPE
Vishnu Ottapilakkal, Abhishek Juyal, Suresh Sundaram +14
Hexagonal boron nitride encapsulation is the method of choice for protecting graphene from environmental doping and impurity scattering. It was previously demonstrated that metal-o…
All-optical helicity-dependent switching in NiCoO thin films
Ryunosuke Takahashi, Yann Le Guen, Suguru Nakata +8
All-optical switching (AOS) involves manipulating magnetization using only pulsed laser, presenting a promising approach for next-generation magnetic recording devices. NiCo2O4 (NC…
Influence of surface pre-deformation on the Portevin-Le Chatelier effect and the related multiscale complexity of plastic flow in an Al-Mg alloy
Hafsa Jaber, Benoît Beausir, Denis Entemeyer +3
The influence of the surface pre-deformation on jerky flow caused by the Portevin-Le Chatelier (PLC) effect was investigated using flat tensile specimens of an Al-Mg alloy. Althoug…
Bonding states underpinning structural transitions in IrTe observed with micro-ARPES
C. W. Nicholson, M. D. Watson, A. Pulkkinen +6
Competing interactions in low-dimensional materials can produce nearly degenerate electronic and structural phases. We investigate the staircase of structural phase transitions in…
Self-induced spin pumping and inverse spin Hall effect in single FePt thin films
J. L. Ampuero, A. Anadón, H. Damas +7
In this study, we investigate the spin-charge current conversion characteristics of chemically disordered ferromagnetic single FePt thin films by spin-pumping ferromagnetic resonan…
Light-induced torque in ferromagnetic metals via orbital angular momentum generated by photon-helicity
Koki Nukui, Satoshi Iihama, Kazuaki Ishibashi +7
We investigated photon-helicity-induced magnetization precession in CoPt alloy thin films. In addition to field-like torque, attributable to magnetic field generation…
Van der Waals epitaxy of Weyl-semimetal Td-WTe
Alexandre Llopez, Frédéric Leroy, Calvin Tagne-Kaegom +13
Epitaxial growth of WTe offers significant advantages, including the production of high-qualityfilms, possible long range in-plane ordering and precise control over layer thick…