Maciej Lorenc
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View article: Picosecond anisotropic phase separation governing photoinduced phase stability in submicron Ti3O5 crystals
Picosecond anisotropic phase separation governing photoinduced phase stability in submicron Ti3O5 crystals Open
View article: Quantification of ultrafast nonlinear photothermal and photoacoustic effects in molecular thin films via time-domain Brillouin scattering
Quantification of ultrafast nonlinear photothermal and photoacoustic effects in molecular thin films via time-domain Brillouin scattering Open
Improving the efficiency of photothermal (PT) therapies and photoacoustic (PA) imaging at the microscopic scale hinges on developing multiphoton-absorbing photothermal molecules or contrast agents that operate in the near-infrared (NIR) ra…
View article: Optical properties and photonic applications of molecular spin-crossover materials
Optical properties and photonic applications of molecular spin-crossover materials Open
View article: Ultrafast anisotropic phase separation governing photoinduced phase stability in submicron Ti3O5 crystals
Ultrafast anisotropic phase separation governing photoinduced phase stability in submicron Ti3O5 crystals Open
Recently developed ceramic material Ti3O5 exhibits fascinating application properties, from ultrafast switching between metallic and insulating phases to light-to-heat conversion and storage. While the states conferri…
View article: Capturing ultrafast molecular motions and lattice dynamics in spin crossover film using femtosecond diffraction methods
Capturing ultrafast molecular motions and lattice dynamics in spin crossover film using femtosecond diffraction methods Open
View article: Quantification of Ultrafast Nonlinear Photothermal and Photoacoustic Effects in Molecular Thin Films via Time-Domain Brillouin Scattering
Quantification of Ultrafast Nonlinear Photothermal and Photoacoustic Effects in Molecular Thin Films via Time-Domain Brillouin Scattering Open
Improving the efficiency of photothermal (PT) therapies and photoacoustic (PA) imaging at the microscopic scale hinges on developing multiphoton-absorbing photothermal molecules or contrast agents that operate in the near-infrared (NIR) ra…
View article: Publisher Correction: Propagation of insulator-to-metal transition driven by photoinduced strain waves in a Mott material
Publisher Correction: Propagation of insulator-to-metal transition driven by photoinduced strain waves in a Mott material Open
View article: Propagation of insulator-to-metal transition driven by photoinduced strain waves in a Mott material
Propagation of insulator-to-metal transition driven by photoinduced strain waves in a Mott material Open
View article: Temporal Separation between Lattice Dynamics and Electronic Spin‐State Switching in Spin‐Crossover Thin Films Evidenced by Time‐Resolved X‐Ray Diffraction
Temporal Separation between Lattice Dynamics and Electronic Spin‐State Switching in Spin‐Crossover Thin Films Evidenced by Time‐Resolved X‐Ray Diffraction Open
Spin‐crossover (SCO) complexes have drawn significant attention for the possibility to photoswitch their electronic spin state on a sub‐picosecond timescale at the molecular level. However, the multi‐step mechanism of laser‐pulse‐induced s…
View article: Observation of a Picosecond Light-Induced Spin Transition in Polymeric Nanorods
Observation of a Picosecond Light-Induced Spin Transition in Polymeric Nanorods Open
Spin transition (ST) materials are attractive for developing photoswitchable devices, but their slow material transformations limit device applications. Size reduction could enable faster switching, but the photoinduced dynamics at the nan…
View article: Propagating insulator-to-metal transition in the wake of photoinduced strain waves in a Mott material
Propagating insulator-to-metal transition in the wake of photoinduced strain waves in a Mott material Open
View article: Multiscale out-of-equilibrium dynamics driven by pulsed laser excitation in spin-crossover materials: A combined thermoelastic and mechanoelastic study
Multiscale out-of-equilibrium dynamics driven by pulsed laser excitation in spin-crossover materials: A combined thermoelastic and mechanoelastic study Open
International audience
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: Dynamical limits for the molecular switching in a photoexcited material revealed by X-ray diffraction
Dynamical limits for the molecular switching in a photoexcited material revealed by X-ray diffraction Open
View article: Nonlinear Optical Absorption in Nanoscale Films Revealed through Ultrafast Acoustics
Nonlinear Optical Absorption in Nanoscale Films Revealed through Ultrafast Acoustics Open
Herein we describe a novel spinning pump-probe photoacoustic technique developed to study nonlinear absorption in thin films. As a test case, an organic polycrystalline thin film of quinacridone, a well-known pigment, with a thickness in t…
View article: Nonlinear optical absorption in nanoscale films revealed through ultrafast acoustics
Nonlinear optical absorption in nanoscale films revealed through ultrafast acoustics Open
Herein we describe a novel spinning pump-probe photoacoustic technique developed to study nonlinear absorption in thin films. As a test case, an organic polycrystalline thin film of quinacridone, a well-known pigment, with a thickness in t…
View article: Symmetry-resolved THz, IR, Raman spectroscopies and DFT studies of lattice phonon modes in the spin crossover crystal [Fe(phen)2(NCS)2]
Symmetry-resolved THz, IR, Raman spectroscopies and DFT studies of lattice phonon modes in the spin crossover crystal [Fe(phen)2(NCS)2] Open
View article: Dynamical limits by downsizing for the photo-induced switching in a molecular material revealed by time-resolved X-ray diffraction
Dynamical limits by downsizing for the photo-induced switching in a molecular material revealed by time-resolved X-ray diffraction Open
Cooperative molecular switching at the solid state is exemplified by spin crossover phenomenon in crystals of transition metal complexes. Time-resolved studies with temporal resolutions that separate molecular level dynamics from macroscop…
View article: Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction
Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction Open
One of the main challenges in ultrafast material science is to trigger phase transitions with short pulses of light. Here we show how strain waves, launched by electronic and structural precursor phenomena, determine a coherent macroscopic…
View article: Unusually long carrier lifetime in a Mott insulator revealed by time-resolved Photoemission Electron Microscopy
Unusually long carrier lifetime in a Mott insulator revealed by time-resolved Photoemission Electron Microscopy Open
View article: Nitro End Groups: Remarkable Vibrational Reporters for Charge Transfer in the Excited States of Oligo(<i>p</i>-phenyleneethynylene)-Bridged Donor–Acceptor Dyads
Nitro End Groups: Remarkable Vibrational Reporters for Charge Transfer in the Excited States of Oligo(<i>p</i>-phenyleneethynylene)-Bridged Donor–Acceptor Dyads Open
The D−π–A dyads [(n-Hex)2N(1,4-C6H4)]C≡C[(1,4-C6H4)NO2] (1) and [(n-Hex)2N(1,4-C6H4)]C≡C(1,4-C6H4)C≡C[(1,4-C6H4)NO2] (2) have been studied by ultrafast time-resolved infrared absorption spectroscopy. After excitation into their singlet cha…
View article: Unusually long carrier lifetime in a Mott insulator revealed by time-resolved Photoemission Electron Microscopy
Unusually long carrier lifetime in a Mott insulator revealed by time-resolved Photoemission Electron Microscopy Open
Mott insulators display puzzling insulator to metal transitions under electric field. We study here the Mott insulator GaV4S8 using time-resolved Photoemission Electron Microcopy and reveal unusually long carrier lifetimes, supporting the …
View article: Finite Size Effects on the Switching Dynamics of Spin‐Crossover Thin Films Photoexcited by a Femtosecond Laser Pulse
Finite Size Effects on the Switching Dynamics of Spin‐Crossover Thin Films Photoexcited by a Femtosecond Laser Pulse Open
Using ultrafast optical absorption spectroscopy, the room‐temperature spin‐state switching dynamics induced by a femtosecond laser pulse in high‐quality thin films of the molecular spin‐crossover (SCO) complex [Fe(HB(tz) 3 ) 2 ] (tz = 1,2,…
View article: Light-induced spin crossover—Solution and solid-state processes
Light-induced spin crossover—Solution and solid-state processes Open
This article overviews the different light-induced spin-crossover processes that are induced using ligand photoreaction, photothermal effects, or optical absorption of the center metallic ion. A particular attention is drawn on the light-i…
View article: Healing of cracks by green laser irradiation in a nanogold particles glass matrix composite
Healing of cracks by green laser irradiation in a nanogold particles glass matrix composite Open
View article: Multiscale real-time XRD probing of the semiconductor-to-metal ultrafast phase transition in Ti<sub>3</sub>O<sub>5</sub> nanocrystals
Multiscale real-time XRD probing of the semiconductor-to-metal ultrafast phase transition in Ti<sub>3</sub>O<sub>5</sub> nanocrystals Open
View article: Understanding elastically driven cooperativity in molecular photomagnetic materials
Understanding elastically driven cooperativity in molecular photomagnetic materials Open
View article: Parasomnias and obstructive sleep apnea syndrome: in search for a parasomnia evaluating tool appropriate for OSAS screening
Parasomnias and obstructive sleep apnea syndrome: in search for a parasomnia evaluating tool appropriate for OSAS screening Open
ENWEndNote BIBJabRef, Mendeley RISPapers, Reference Manager, RefWorks, Zotero AMA Wieczorek T, Lorenc M, Martynowicz H, Piotrowski P, Mazur G, Rymaszewska J. Parasomnias and obstructive sleep apnea syndrome: in search for a parasomnia eval…
View article: Electronic and Structural Dynamics During the Switching of the Photomagnetic Complex [Fe(L<sub>222</sub>N<sub>5</sub>)(CN)<sub>2</sub>]
Electronic and Structural Dynamics During the Switching of the Photomagnetic Complex [Fe(L<sub>222</sub>N<sub>5</sub>)(CN)<sub>2</sub>] Open
The [Fe(L 222 N 5 )(CN) 2 ] compound, where L 222 N 5 refers to the macrocyclic Schiff‐base ligand, 2,13‐dimethyl‐3,6,9,‐12,18‐pentaazabicyclo[12.3.1]octadeca‐1(18),2,12,14,‐ 16‐pentaene, is a photomagnetic Fe II based coordination compoun…
View article: Light-Induced Spin State Switching in Copper(II)-Nitroxide-Based Molecular Magnet at Room Temperature
Light-Induced Spin State Switching in Copper(II)-Nitroxide-Based Molecular Magnet at Room Temperature Open
Molecular magnets Cu(hfac)2LR exhibit an unusual type of photoinduced magnetostructural switching in exchange-coupled copper(II)-nitroxide clusters. Such photoswitching from strongly coupled to weakly coupled spin sta…