François Fauth
YOU?
Author Swipe
View article: Correlating Synthesis, Structure, and Thermal Stability of CuBi Nanowires for Spintronic Applications by Electron Microscopy and <i>in Situ</i> Scattering Methods
Correlating Synthesis, Structure, and Thermal Stability of CuBi Nanowires for Spintronic Applications by Electron Microscopy and <i>in Situ</i> Scattering Methods Open
Bi-doped copper (Cu1-xBix) nanowires (NWs), promising candidates for spintronic applications due to their potential for a giant spin Hall effect (SHE), were synthesized, and their structural properties a…
View article: Slab-Gliding–Induced Structural Evolution in β-V <sub>2</sub> O <sub>5</sub> Enables Reversible High Na-Ion Storage: A Combined <i>Operando</i> Synchrotron Diffraction and <i>Operando</i> XAS Study
Slab-Gliding–Induced Structural Evolution in β-V <sub>2</sub> O <sub>5</sub> Enables Reversible High Na-Ion Storage: A Combined <i>Operando</i> Synchrotron Diffraction and <i>Operando</i> XAS Study Open
High-pressure β-V2O5 is a positive electrode material for sodium-ion batteries offering a remarkable high capacity of ∼150 mAh g-1. Despite its attractive electrochemical properties and interesting crystal …
View article: Delving into the Correlation between Magnetic and Lattice Degrees of Freedom from Magnetocaloric and Magnetovolume Effects in Lu<sub>2</sub>Fe<sub>17</sub> Ribbons
Delving into the Correlation between Magnetic and Lattice Degrees of Freedom from Magnetocaloric and Magnetovolume Effects in Lu<sub>2</sub>Fe<sub>17</sub> Ribbons Open
Nowadays, R2Fe17 (R = rare earth) materials with zero (ZTE) or negative (NTE) thermal expansion are of significant interest in advanced applications, especially for intermediate performance low-cost magnets. Lu2<…
View article: Promoting Electrochemical Reactions with Dual‐Atom Catalysts for High‐Rate Lithium–Sulfur Batteries
Promoting Electrochemical Reactions with Dual‐Atom Catalysts for High‐Rate Lithium–Sulfur Batteries Open
Sulfur cathodes offer a promising solution for high‐energy‐density, cost‐effective, and sustainable energy storage. However, their practical application is limited by sluggish and complex multistep sulfur redox reactions (SRRs), involving …
View article: Na <sub>2</sub> Fe <sub>3</sub> (SO <sub>4</sub> ) <sub>4</sub> : A Zero‐Strain Sustainable Positive Electrode Material for Na‐Ion Batteries
Na <sub>2</sub> Fe <sub>3</sub> (SO <sub>4</sub> ) <sub>4</sub> : A Zero‐Strain Sustainable Positive Electrode Material for Na‐Ion Batteries Open
One of the challenges in the energy transition is minimization of the battery cost for energy grid storage. Na‐ion batteries are a promising alternative to Li‐based analogues thanks to low cost, abundance of constituents, and an already se…
View article: Bromine-rich argyrodites compositions: Enhancing lithium-ion conductivity for improved solid-state battery performance
Bromine-rich argyrodites compositions: Enhancing lithium-ion conductivity for improved solid-state battery performance Open
International audience
View article: The long cycle capability and charge storage mechanism of V4O9 as sodium storing cathode
The long cycle capability and charge storage mechanism of V4O9 as sodium storing cathode Open
View article: Correlating synthesis, structure and thermal stability of CuBi nanowires for spintronic applications by electron microscopy and in situ scattering methods
Correlating synthesis, structure and thermal stability of CuBi nanowires for spintronic applications by electron microscopy and in situ scattering methods Open
Bi-doped copper (Cu1-xBix) nanowires (NWs), promising candidates for spintronic applications due to their potential for a giant spin Hall effect (SHE), were synthesized and their structural properties and thermal stability were investigate…
View article: Reply to “Comment on ‘Orthorhombic Symmetry and Anisotropic Properties of Rutile TiO<sub>2</sub>”’
Reply to “Comment on ‘Orthorhombic Symmetry and Anisotropic Properties of Rutile TiO<sub>2</sub>”’ Open
View article: Comprehensive study of Mn/Ni ordering in LiNi0.5-xMn1.5+xO4 using neutron powder diffraction and scanning transmission electron microscopy
Comprehensive study of Mn/Ni ordering in LiNi0.5-xMn1.5+xO4 using neutron powder diffraction and scanning transmission electron microscopy Open
International audience
View article: Crystalline vs. amorphous Li4PS4I: Impact of structure on ionic transport and performances in solid-state battery
Crystalline vs. amorphous Li4PS4I: Impact of structure on ionic transport and performances in solid-state battery Open
View article: Discovery of a second type of high-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>T</mml:mi><mml:mi>S</mml:mi></mml:msub></mml:math> magnetic spiral in layered <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>YBaCuFeO</mml:mi><mml:mn>5</mml:mn></mml:msub></mml:math> type perovskites
Discovery of a second type of high- magnetic spiral in layered type perovskites Open
Layered Cu/Fe perovskites with a YBaCuFeO5 structure have attracted significant attention owing to the high thermal stability (TS) of their incommensurate spiral magnetic phase. The intrinsic coupling between spin and ferroelectric orders …
View article: Niobium Bronzoids as negative Electrodes: Synthesis, Structure and Electrochemical Properties of Li2Nb4P2O16 and Na2Nb4P2O16
Niobium Bronzoids as negative Electrodes: Synthesis, Structure and Electrochemical Properties of Li2Nb4P2O16 and Na2Nb4P2O16 Open
In this study, sodium- and lithium-based phosphate niobium bronzes and bronzoids with the general formula Ax(PO2)2(NbO3)m (where A = Na/Li and m = 4), specifically Na2Nb4P2O16 and Li2Nb4P2O16, are investigated. The crystal structure of Na2…
View article: Triple‐point phase diagrams for BTO‐based ceramics
Triple‐point phase diagrams for BTO‐based ceramics Open
The temperature–composition structural phase diagram of the BTO‐based ferroelectric system Ba 0.94 Ca 0.06 Ti 1− x Hf x O 3 (0.05 ≤ x ≤ 0.15) is investigated using high‐angular resolution synchrotron X‐ray powder diffraction and dielectric…
View article: Phase equilibrium during the synthesis of LiNi<sub>0.46</sub>Mn<sub>1.54</sub>O<sub>4</sub>: comprehensive X-ray & neutron powder diffraction study
Phase equilibrium during the synthesis of LiNi<sub>0.46</sub>Mn<sub>1.54</sub>O<sub>4</sub>: comprehensive X-ray & neutron powder diffraction study Open
A complex phase equilibrium between spinel, layered and rock-salt type oxide phases revealed combining synchrotron X-ray and neutron powder diffractions during the synthesis of LiNi 0.46 Mn 1.54 O 4 (LNMO) powders from a reagent mixture.
View article: Spray-dried hard carbon–Sn composites for energy-dense Na-ion batteries
Spray-dried hard carbon–Sn composites for energy-dense Na-ion batteries Open
Volumetric and gravimetric capacity of hard carbon anodes is improved by synthesizing composites with tin by spray-drying. Structure, morphology and Sn content are widely investigated, as well as its activity during electrochemical cycling.
View article: Crystalline vs. Amorphous Li4ps4i: Impact of Structure on Ionic Transport and Performances in Solid-State Battery
Crystalline vs. Amorphous Li4ps4i: Impact of Structure on Ionic Transport and Performances in Solid-State Battery Open
View article: Obtaining V2(PO4)3 by sodium extraction from single-phase NaxV2(PO4)3 (1 < x < 3) positive electrode materials
Obtaining V2(PO4)3 by sodium extraction from single-phase NaxV2(PO4)3 (1 < x < 3) positive electrode materials Open
View article: Effect of Temperature on Intermediate Phases of Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> during Cycling by <i>Operando</i> X-ray Diffraction
Effect of Temperature on Intermediate Phases of Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> during Cycling by <i>Operando</i> X-ray Diffraction Open
Na3V2(PO4)3 (NVP) has gained a lot of attention due to its remarkable properties, such as its robust crystal structure, cycle life, rate capabilities, and so on. Nevertheless, NVP undergoes a sub…
View article: Impact of Mn/Ni and Li/(Mn+Ni) ratios on phase equilibrium and electrochemical performance of the high voltage spinel LiNi0.5Mn1.5O4
Impact of Mn/Ni and Li/(Mn+Ni) ratios on phase equilibrium and electrochemical performance of the high voltage spinel LiNi0.5Mn1.5O4 Open
International audience
View article: Pushing magnetic spirals beyond room temperature by reducing the uniaxial pyramidal elongation in layered Cu/Fe perovskites
Pushing magnetic spirals beyond room temperature by reducing the uniaxial pyramidal elongation in layered Cu/Fe perovskites Open
The impact of a 3d divalent substitution for Cu using M2+ ions not presenting elongated MO5 pyramids has been explored in YBaCuFeO5 as a new strategy to upgrade the magnetic properties of this high-temperature spiral magnet and potential m…
View article: Beam Effects in Synchrotron Radiation <i>Operando</i> Characterization of Battery Materials: X-Ray Diffraction and Absorption Study of LiNi<sub>0.33</sub>Mn<sub>0.33</sub>Co<sub>0.33</sub>O<sub>2</sub> and LiFePO<sub>4</sub> Electrodes
Beam Effects in Synchrotron Radiation <i>Operando</i> Characterization of Battery Materials: X-Ray Diffraction and Absorption Study of LiNi<sub>0.33</sub>Mn<sub>0.33</sub>Co<sub>0.33</sub>O<sub>2</sub> and LiFePO<sub>4</sub> Electrodes Open
Operando synchrotron radiation-based techniques are a precious tool in battery research, as they enable the detection of metastable intermediates and ensure characterization under realistic cycling conditions. However, they do not c…
View article: Anionic and Magnetic Ordering in Rare Earth Tantalum Oxynitrides with an <i>n</i> = 1 Ruddlesden–Popper Structure
Anionic and Magnetic Ordering in Rare Earth Tantalum Oxynitrides with an <i>n</i> = 1 Ruddlesden–Popper Structure Open
The new compounds R2TaO4-xNx with R = La, Ce, Nd, and Eu and 1.20 ≤ x ≤ 2.81 have been obtained by a solid-state reaction between metal nitrides and oxides or oxynitrides under N2<…
View article: Understanding charge transfer dynamics in blended positive electrodes for Li-ion batteries
Understanding charge transfer dynamics in blended positive electrodes for Li-ion batteries Open
This paper investigates the electrochemical behavior of binary blend electrodes comprising equivalent amounts of lithium-ion battery active materials, namely LiNi0.5Mn0.3Co0.2O2 (NMC), LiMn2O4 (LMO), LiFe0.35Mn0.65PO4 (LFMP) and LiFePO4 (L…
View article: Method—Setups and Protocols for Operando Batteries Experiments at Variable Temperatures Applied to Ca<sub>x</sub>TiS<sub>2</sub> and Na<sub>3−x</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>
Method—Setups and Protocols for Operando Batteries Experiments at Variable Temperatures Applied to Ca<sub>x</sub>TiS<sub>2</sub> and Na<sub>3−x</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> Open
In this paper, we present two thermalized setups for in situ operando X-ray diffraction data collection in temperature ranging from 0° to 100 °C: a modified Leriche cell and a coin cell chamber. Both setups proved proper thermalization and…
View article: Three charge-ordered phases in bilayered <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Pr</mml:mi><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:msub><mml:mi>Sr</mml:mi><mml:mrow><mml:mn>0.1</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>Ca</mml:mi><mml:mrow><mml:mn>0.9</mml:mn></mml:mrow></mml:msub><mml:mo>)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Mn</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>7</mml:mn></mml:msub></mml:mrow></mml:math>: From antiferrodistortive to ferrodistortive structures
Three charge-ordered phases in bilayered : From antiferrodistortive to ferrodistortive structures Open
Details about Diffraction Refinements with Rietveld Plots, Comparison of Mode Decomposition and Atom Shifts for Different Irreps.
View article: Solid-State Chemistry Shuffling of Alkali Ions toward New Layered Oxide Materials
Solid-State Chemistry Shuffling of Alkali Ions toward New Layered Oxide Materials Open
Alkali transition-metal layered compounds usually contain only one type of alkali cation between the edge-shared octahedra layers. Herein, the ternary phase diagram A2Ni2TeO6 (A = Li, Na, K) was explored through solid-state synthesis and n…
View article: Structural, Dielectric and Magnetic Properties of Mfenbo6 Materials (M=Ti , Zr, Hf)
Structural, Dielectric and Magnetic Properties of Mfenbo6 Materials (M=Ti , Zr, Hf) Open
View article: Impact of Mn/Ni and Li/(Mn+Ni) Ratios on Phase Equilibrium and Electrochemical Performance of the High Voltage Spinel Lini0.5mn1.5o4
Impact of Mn/Ni and Li/(Mn+Ni) Ratios on Phase Equilibrium and Electrochemical Performance of the High Voltage Spinel Lini0.5mn1.5o4 Open
View article: CSD 2277563: Experimental Crystal Structure Determination
CSD 2277563: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…