Photoinduced phenomena Photocrystallography Photoinduced Ferroelastic materials Gold Femtochemistry Dynamical structural science Coherence Homogeneous catalysis Electron spin resonance spectroscopy Cooperativity Cohérence Absorption spectroscopy Density functional calculations Spin-crossover Single crystals Time-resolved spectroscopy Copper TTF-CA Nonequilibrium processes High pressure DNA Molecules Symmetry breaking Palladium Dienes Electronic structure N-heterocyclic carbenes Spin transition Spectroscopy X-ray absorption spectroscopy Ferroelasticity Intersystem crossing Magnetic properties Aperiodicity Calixarenes Inclusions Phonons STRUCTURAL DYNAMICS Femtosecond probes of molecules in solids and of molecular solids PhDtitle Spin crossover RELAXATION Photoinduced transition Solid State NMR spectroscopy Photomagnetism Solid state NMR spectroscopy Time-resolved X-ray scattering Phase separation Hysteresis Charge transfer Lattice constants Space groups Helicenes Differential scanning calorimetry Monte Carlo methods Noncovalent interactions Quasicrystal Crystallographic superspace Soutenance2019 TRANSITION Heterometallic complexes Crystal structure Soutenance2017 Diffraction Diffuse scattering Inorganic compounds Quasicrystal approximant Prussian blue analogues X-Ray diffraction Polymorphism Synthesis chemical Neutron scattering Structural phase transition Nickel 10-phenanthroline Crystallographic aspects of phase transformations Laser spectroscopy Iron Crystallography Phase transition Neutron diffraction Structure elucidation Pressure effects X-ray diffraction Phase transitions Photochemistry Time-resolved diffraction Luminescence Time resolved spectroscopy Organic compounds Out-of-equilibrium Photo-crystallography Regioselectivity LIESST Soutenance2022 Cavitands Ultrafast spectroscopy Transitions de phase