65 citations · 340 across the 20 of their papers we have counts for
21 papers
Strain-Glass Dynamics in the Superionic Conductor NaPS
Erik S. Lamb, Nicolò D'Anna, Phillip Ridley +13
Ionic conduction in solid-state electrolytes is conventionally described by mobile cations migrating through a static host lattice. Yet the fastest conductors are often the most di…
Solving the Synthetic Riddle of Colloidal 2D PbTe Nanoplatelets with Tunable Near-Infrared Emission
Leon Biesterfeld, Mattis T. Vochezer, Marco Kögel +7
Near-infrared emitting colloidal two-dimensional (2D) PbX (X=S, Se) nanoplatelets have emerged as interesting materials with strong size quantisation in the thickness dimension. Th…
Sub-meV Linewidths in Polarized Low-Temperature Photoluminescence of 2D PbS Nanoplatelets
Pengji Li, Leon Biesterfeld, Lars Klepzig +11
Colloidal semiconductor nanocrystals are promising materials for classical and quantum light sources due to their versatile chemistry and efficient photoluminescence (PL) propertie…
Impact of the Ligand Shell on Structural Changes and Decomposition of All-Inorganic Mixed-Halide Perovskite (CsPbX3) Nanocrystals under X-Ray Illumination
Jan Wahl, Philipp Haizmann, Christopher Kirsch +9
We show that the decomposition of caesium lead halide perovskite nanocrystals under continuous X-ray illumination depends on the surface ligand. For oleic acid/oleylamine, we obser…
Angular structure factor of the hexatic-B liquid crystals: bridging theory and experiment
Ivan A. Zaluzhnyy, Ruslan P. Kurta, Michael Sprung +2
We report results from X-ray scattering studies of the angular structure factor of liquid crystal hexatic-B films. According to the sixfold rotational symmetry of the hexatic-B pha…
Spatially resolved fluorescence of caesium lead halide perovskite supercrystals reveals quasi-atomic behavior of nanocrystals
Dmitry Lapkin, Christopher Kirsch, Jonas Hiller +16
We correlate spatially resolved fluorescence (-lifetime) measurements with X-ray nanodiffraction to reveal surface defects in supercrystals of self-assembled caesium lead halide pe…
Influence of Contacts and Applied Voltage on a Structure of a Single GaN Nanowire
Sergey Lazarev, Luca Gelisio, Young Yong Kim +11
Semiconductor nanowires (NWs) have a broad range of applications for nano- and optoelectronics. The strain field of gallium nitride (GaN) NWs could be significantly changed when co…
Proton distribution visualization in perovskite nickelate devices utilizing nanofocused X-rays
Ivan A. Zaluzhnyy, Peter O. Sprau, Richard Tran +17
We use a 30-nm x-ray beam to study the spatially resolved properties of a SmNiO-based nanodevice that is doped with protons. The x-ray absorption spectra supported by density-f…
Angular x-ray cross-correlation analysis (AXCCA): Basic concepts and recent applications to soft matter and nanomaterials
Ivan A. Zaluzhnyy, Ruslan P. Kurta, Marcus Scheele +3
Angular x-ray cross-correlation analysis (AXCCA) is a technique which allows quantitative measurement of the angular anisotropy of x-ray diffraction patterns and provides insights…
Revealing Grain Boundaries and Defect Formation in Nanocrystal Superlattices by Nanodiffraction
Nastasia Mukharamova, Dmitry Lapkin, Ivan A. Zaluzhnyy +8
X-ray nanodiffraction is applied to study the formation and correlation of domain boundaries in mesocrystalline superlattices of PbS nanocrystals with face-centered cubic structure…
Ultrafast Structural Dynamics of Photo-Reactions Revealed by Model-Independent X-ray Cross-Correlation Analysis
Peter Vester, Ivan A. Zaluzhnyy, Ruslan P. Kurta +5
We applied angular X-ray Cross-Correlation analysis (XCCA) to scattering images from a femtosecond resolution LCLS X-ray free-electron laser (XFEL) pump-probe experiment with solva…
Ghost Imaging at an XUV Free-Electron Laser
Young Yong Kim, Luca Gelisio, Giuseppe Mercurio +18
Radiation damage is one of the most severe resolution limiting factors in x-ray imaging, especially relevant to biological samples. One way of circumventing this problem is to expl…
Seeded x-ray free-electron laser generating radiation with laser statistical properties
O. Yu. Gorobtsov, G. Mercurio, F. Capotondi +12
The invention of optical lasers led to a revolution in the field of optics and even to the creation of completely new fields of research such as quantum optics. The reason was thei…
Unravelling structural rearrangement of polymer colloidal crystals under dry sintering conditions
Alexey V. Zozulya, Ivan A. Zaluzhnyy, Nastasia Mukharamova +7
Structural rearrangement of polystyrene colloidal crystals under dry sintering conditions has been revealed by in situ grazing incidence X-ray scattering. Measured diffraction patt…
Towards Time-Resolved Atomic Structure Determination by X-Ray Standing Waves at a Free-Electron Laser
Giuseppe Mercurio, Igor A. Makhotkin, Igor Milov +6
We demonstrate the structural sensitivity and accuracy of the standing wave technique at a high repetition rate free-electron laser, FLASH at DESY in Hamburg, by measuring the phot…
Evidence of a first-order smectic -- hexatic transition and its proximity to tricritical point in smectic films
Ivan A. Zaluzhnyy, Ruslan P. Kurta, Nastasia Mukharamova +10
Experimental and theoretical studies of a smectic-hexatic transition in freely suspended films of 54COOBC compound are presented. X-ray investigations revealed a discontinuous firs…
Quantum Imaging with Incoherently Scattered Light from a Free-Electron Laser
Raimund Schneider, Thomas Mehringer, Giuseppe Mercurio +20
The advent of accelerator-driven free-electron lasers (FEL) has opened new avenues for high-resolution structure determination via diffraction methods that go far beyond convention…
Structural studies of the bond-orientational order and hexatic-smectic transition in liquid crystals of various compositions
I. A. Zaluzhnyy, R. P. Kurta, E. A. Sulyanova +9
We report on X-ray studies of freely suspended hexatic films of three different liquid crystal compounds. By applying angular X-ray cross-correlation analysis (XCCA) to the measure…
Quantifying Angular Correlations between the Atomic Lattice and Superlattice of Nanocrystals Assembled with Directional Linking
Ivan. A. Zaluzhnyy, Ruslan P. Kurta, Alexander Andre +9
We show that the combination of X-ray scattering with a nanofocused beam and X-ray cross correlation analysis is an efficient means for the full structural characterization of meso…
Analysis of the shape of x-ray diffraction peaks originating from the hexatic phase of liquid crystal films
I. A. Zaluzhnyy, R. P. Kurta, A. P. Menushenkov +2
X-ray diffraction studies of the bond-orientational order in the hexatic-B phase of 75OBC and 3(10)OBC compounds are presented. The temperature evolution of an angular profile of a…
Local structure of semicrystalline P3HT films probed by nanofocused coherent x-rays
Ruslan P. Kurta, Linda Grodd, Eduard Mikayelyan +8
We present results of an x-ray study of structural properties of semicrystalline polymer films using nanofocused x-ray beam. We applied the x-ray cross-correlation analysis (XCCA)…