Ultrafast electron diffraction: Visualizing dynamic states of matter

D Filippetto, P Musumeci, RK Li, BJ Siwick… - Reviews of Modern …, 2022 - APS
Since the discovery of electron-wave duality, electron scattering instrumentation has
developed into a powerful array of techniques for revealing the atomic structure of matter …

How optical excitation controls the structure and properties of vanadium dioxide

MR Otto, LP René de Cotret… - Proceedings of the …, 2019 - National Acad Sciences
We combine ultrafast electron diffraction and time-resolved terahertz spectroscopy
measurements to link structure and electronic transport properties during the photoinduced …

Asymmetric least‐squares baseline algorithm with peak screening for automatic processing of the Raman spectra

VI Korepanov - Journal of Raman Spectroscopy, 2020 - Wiley Online Library
The signal in Raman spectroscopy has three components: vibrational bands, noise, and
luminescence. Although the noise can be easily separated from the Raman bands either by …

[PDF][PDF] Automated prediction of lattice parameters from X-ray powder diffraction patterns

SR Chitturi, D Ratner, RC Walroth… - Journal of Applied …, 2021 - journals.iucr.org
A key step in the analysis of powder X-ray diffraction (PXRD) data is the accurate
determination of unit-cell lattice parameters. This step often requires significant human …

Dynamical limits for the molecular switching in a photoexcited material revealed by X-ray diffraction

A Volte, C Mariette, R Bertoni, M Cammarata… - Communications …, 2022 - nature.com
Time-resolved studies with temporal resolution that separate molecular level dynamics from
macroscopic changes, allow clear distinction between the time scales of the different …

Oxygen Plasma Induced Nanochannels for Creating Bimetallic Hollow Nanocrystals

WY Wu, S Wu, WW Tjiu, HR Tan, FY Leong, PC Lim… - ACS …, 2023 - ACS Publications
Platinum-based metal catalysts are considered excellent converters in various catalytic
reactions, particularly in fuel cell applications. The atomic structure at the nanocrystal …

In Situ Formation of Platinum‐Carbon Catalysts in Propane Dehydrogenation

HC Nerl, M Plodinec, T Götsch… - Angewandte Chemie …, 2024 - Wiley Online Library
The catalytic production of propylene via propane dehydrogenation (PDH) is a key reaction
in the chemical industry. By combining operando transmission electron microscopy with …

An open-source software ecosystem for the interactive exploration of ultrafast electron scattering data

LP René de Cotret, MR Otto, MJ Stern… - Advanced Structural and …, 2018 - Springer
This paper details a software ecosystem comprising three free and open-source Python
packages for processing raw ultrafast electron scattering (UES) data and interactively …

Baseline search in Raman spectroscopy by modified Tikhonov regularization with automatic choice of both parameters

VI Korepanov - The Journal of Physical Chemistry B, 2023 - ACS Publications
Baseline estimation in vibrational spectroscopy can be done efficiently with Tikhonov
regularization. The state-of-the-art approaches, based on asymmetric weighting, require an …

Baseline correction for Raman spectra using a spectral estimation-based asymmetrically reweighted penalized least squares method

Y Guo, W Jin, W Wang, Y He, S Qiu - Applied Optics, 2023 - opg.optica.org
Baseline correction is necessary for the qualitative and quantitative analysis of samples
because of the existence of background fluorescence interference in Raman spectra. The …