Nathalie Daro
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View article: Oxyhydride Synthesis through Facile Water Dissociation on the Electride Intermetallic LaScSi
Oxyhydride Synthesis through Facile Water Dissociation on the Electride Intermetallic LaScSi Open
The simultaneous presence of hydride (H-) and oxide (O2-) anions in an inorganic material is thermodynamically challenging. Oxyhydrides have always been synthesized from an oxide precursor, by using high-temperature solid-state reaction us…
View article: Cu-histidinyl catalysts for mild and efficient propargylic alcohol carboxylation with CO2
Cu-histidinyl catalysts for mild and efficient propargylic alcohol carboxylation with CO2 Open
International audience
View article: Stabilizing low symmetry-based functions of materials at room temperature through isosymmetric electronic bistability
Stabilizing low symmetry-based functions of materials at room temperature through isosymmetric electronic bistability Open
We report on an unusual freezing of molecular positions upon heating. Such ascending symmetry-breaking phenomena pave the way to high-temperature applications of devices based on ferroelectric, ferroelastic or ferromagnetic functions of ma…
View article: Stabilizing low symmetry-based functions of materials at room temperature through isosymmetric electronic bistability
Stabilizing low symmetry-based functions of materials at room temperature through isosymmetric electronic bistability Open
Symmetry-breaking is pivotal for controlling ferroelectric, ferroelastic and/or ferromagnetic functions of materials, which enables applications in sensors, memories, transducers or actuators. Commonly, ferroic phases emerge from descendin…
View article: A 0D Ge(II)-Halide-Based Perovskite with Enhanced Semiconducting Behavior for Electronic Capacitors
A 0D Ge(II)-Halide-Based Perovskite with Enhanced Semiconducting Behavior for Electronic Capacitors Open
Perovskite materials have surged to the forefront of materials science, captivating researchers worldwide with their distinctive crystal lattice arrangement and remarkable optical, electric and dielectric attributes. The current study focu…
View article: Cu(I)‐Glutathione Assembly Supported on ZIF‐8 as Robust and Efficient Catalyst for Mild CO<sub>2</sub> Conversions
Cu(I)‐Glutathione Assembly Supported on ZIF‐8 as Robust and Efficient Catalyst for Mild CO<sub>2</sub> Conversions Open
The Cu‐glutathione (GSH) redox system, essential in biology, is designed here as a supramacromolecular assembly in which the tetrahedral 18e Cu(I) center loses a thiol ligand upon adsorption onto ZIF‐8, as shown by EXAFS and DFT calculatio…
View article: Cu(I)‐Glutathione Assembly Supported on ZIF‐8 as Robust and Efficient Catalyst for Mild CO<sub>2</sub> Conversions
Cu(I)‐Glutathione Assembly Supported on ZIF‐8 as Robust and Efficient Catalyst for Mild CO<sub>2</sub> Conversions Open
The Cu‐glutathione (GSH) redox system, essential in biology, is designed here as a supramacromolecular assembly in which the tetrahedral 18e Cu(I) center loses a thiol ligand upon adsorption onto ZIF‐8, as shown by EXAFS and DFT calculatio…
View article: Exploring the Optical and Energetic Properties of a Co(II)-Based Mixed Ligand MOF
Exploring the Optical and Energetic Properties of a Co(II)-Based Mixed Ligand MOF Open
Due to their remarkable properties, including remarkable porosity and extensive surface area, metal-organic frameworks (MOFs) are being investigated for various applications. Herein, we report the first Co(II)-based mixed ligand MOF, formu…
View article: A Nickel-Based Semiconductor Hybrid Material with Significant Dielectric Constant for Electronic Capacitors
A Nickel-Based Semiconductor Hybrid Material with Significant Dielectric Constant for Electronic Capacitors Open
A novel semiconducting Ni(II)-based hybrid material with the formula (C7H12N2) NiCl4, which exhibits interesting optical and electrical properties, is reported. The crystal structure was investigated using SCXRD, whereas physical propertie…
View article: Spin crossover nano(hybrid)particles: from synthesis to time-resolved characterization of individual particle by ultrafast transmission electron microscopy
Spin crossover nano(hybrid)particles: from synthesis to time-resolved characterization of individual particle by ultrafast transmission electron microscopy Open
International audience
View article: Spin crossover molecular ceramics by Cool-SPS: consequences on switching features beyond microstructural effects
Spin crossover molecular ceramics by Cool-SPS: consequences on switching features beyond microstructural effects Open
A new way of shaping spin crossover materials using cool-SPS sintering lead to functional molecular ceramics with improved cooperativity.
View article: Elucidating the effect of spin crossover materials on graphene sensing devices
Elucidating the effect of spin crossover materials on graphene sensing devices Open
Graphene films are used to detect the presence and transition of spin crossover nanoparticle aggregates. Experiments performed far from the graphene neutrality point, combining impedance spectroscopy and Hall measurements, provide better i…
View article: Lattice Defects in Sub-Micrometer Spin-Crossover Crystals Studied by Electron Diffraction
Lattice Defects in Sub-Micrometer Spin-Crossover Crystals Studied by Electron Diffraction Open
Spin-crossover particles of [Fe(Htrz)2trz](BF4) with sizes of some hundred nanometers are studied by in situ electron microscopy. Despite their high radiation sensitivity, it was possible to analyze the particles by imaging and diffraction…
View article: Laser‐Driven Transient Phase Oscillations in Individual Spin Crossover Particles
Laser‐Driven Transient Phase Oscillations in Individual Spin Crossover Particles Open
An unusual expansion dynamics of individual spin crossover nanoparticles is studied by ultrafast transmission electron microscopy. After exposure to nanosecond laser pulses, the particles exhibit considerable length oscillations during and…
View article: Optimized Local Synthetic Conditions Induce Size Reduction and Phase Purification in {[Fe(Htrz)<sub>2</sub>(trz)](BF<sub>4</sub>)}<sub><i>n</i></sub> Spin Crossover Particles
Optimized Local Synthetic Conditions Induce Size Reduction and Phase Purification in {[Fe(Htrz)<sub>2</sub>(trz)](BF<sub>4</sub>)}<sub><i>n</i></sub> Spin Crossover Particles Open
The well-known synthesis of the two polymorphs of the {[Fe(Htrz)2(trz)](BF4)}n spin crossover coordination polymer is explored with new template-free methods that allow a control over the local synthetic conditions. A “one-pot” synthesis a…
View article: CCDC 2172103: Experimental Crystal Structure Determination
CCDC 2172103: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Symmetry-Resolved Study of Lattice Vibration and Libration Modes in [Fe(phen)<sub>2</sub>(NCS)<sub>2</sub>] Crystal
Symmetry-Resolved Study of Lattice Vibration and Libration Modes in [Fe(phen)<sub>2</sub>(NCS)<sub>2</sub>] Crystal Open
In the family of spin-crossover materials, which undergo thermal conversion between low-spin (LS) and high-spin (HS) phases, it is of great interest to study vibrational modes. On the one hand, vibration modes are characteristic of the spi…
View article: Rational Direct Synthesis of RbMnFe Nanoparticles (RbMnFe = Rb<sub><i>x</i></sub>Mn[Fe(CN)<sub>6</sub>]<sub>(2+<i>x</i>)/3</sub>·<i>n</i>H<sub>2</sub>O Prussian Blue Analogue)
Rational Direct Synthesis of RbMnFe Nanoparticles (RbMnFe = Rb<sub><i>x</i></sub>Mn[Fe(CN)<sub>6</sub>]<sub>(2+<i>x</i>)/3</sub>·<i>n</i>H<sub>2</sub>O Prussian Blue Analogue) Open
In this paper, we report the chemical strategy followed to obtain, in a direct way, nanoparticles of the RbxMn[Fe(CN)6](x+2)/3·nH2O (RbMnFe) Prussian blue analogue with the aim of keeping the switching ability of this compound at the nanos…
View article: CCDC 2085397: Experimental Crystal Structure Determination
CCDC 2085397: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Time-Resolved Study of the Photoswitching of Gold Nanorods Coated with a Spin-Crossover Compound Shell
Time-Resolved Study of the Photoswitching of Gold Nanorods Coated with a Spin-Crossover Compound Shell Open
We investigate the spin-state photoswitching process in Au@SCO nanohybrids made of gold nanorods coated by a spin crossover (SCO) shell of polymeric triazole based Fe(II) complexes of [Fe(Htrz) 2 trz] (BF 4). Our research is performed exci…
View article: Photo‐Thermal Switching of Individual Plasmonically Activated Spin Crossover Nanoparticle Imaged by Ultrafast Transmission Electron Microscopy
Photo‐Thermal Switching of Individual Plasmonically Activated Spin Crossover Nanoparticle Imaged by Ultrafast Transmission Electron Microscopy Open
Spin crossover (SCO) is a promising switching phenomenon when implemented in electronic devices as molecules, thin films or nanoparticles. Among the properties modulated along this phenomenon, optically induced mechanical changes are of tr…
View article: CCDC 2076943: Experimental Crystal Structure Determination
CCDC 2076943: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Room temperature optoelectronic devices operating with spin crossover nanoparticles
Room temperature optoelectronic devices operating with spin crossover nanoparticles Open
Room temperature optoelectronic operations are demonstrated on a hybrid device based on graphene and spin crossover nanoparticles, with non-volatile multiple memory states.
View article: Rational direct synthesis of [Fe(Htrz)<sub>2</sub>(trz)](BF<sub>4</sub>) polymorphs: temperature and concentration effects
Rational direct synthesis of [Fe(Htrz)<sub>2</sub>(trz)](BF<sub>4</sub>) polymorphs: temperature and concentration effects Open
Rational design of [Fe(Htrz)2trz](BF4) spin crossover (SCO) polymorphs through the study of the phase diagram and structure refinement.