Hard x-ray photoelectron spectroscopy: a snapshot of the state-of-the-art in 2020

C Kalha, NK Fernando, P Bhatt… - Journal of Physics …, 2021 - iopscience.iop.org
Hard x-ray photoelectron spectroscopy (HAXPES) is establishing itself as an essential
technique for the characterisation of materials. The number of specialised photoelectron …

Hard x-ray spectroscopy and dynamics of isolated atoms and molecules: a review

MN Piancastelli, T Marchenko… - Reports on Progress …, 2019 - iopscience.iop.org
We present here a review of the most significant recent achievements in the field of HAXPES
(hard x-ray photoelectron spectroscopy) on isolated atoms and molecules, and related …

Efficient calculations of a large number of highly excited states for multiconfigurational wavefunctions

MG Delcey, LK Sørensen, M Vacher… - Journal of …, 2019 - Wiley Online Library
Electronically excited states play important roles in many chemical reactions and
spectroscopic techniques. In quantum chemistry, a common technique to solve excited …

Multiple photodetachment of carbon anions via single and double core-hole creation

A Perry-Sassmannshausen, T Buhr, A Borovik Jr… - Physical review …, 2020 - APS
We report on new measurements of m-fold photodetachment (m= 2-5) of carbon anions via
K-shell excitation and ionization. The experiments were carried out employing the photon …

Resonant double-core excitations with ultrafast, intense X-ray pulses

AEA Fouda, D Koulentianos, L Young, G Doumy… - Molecular …, 2023 - Taylor & Francis
Intense few-to-sub-femtosecond soft X-ray pulses can produce neutral, two-site excited
double-core-hole states by promoting two core electrons to the same unoccupied molecular …

Nonlinear spectral dispersion in resonant Auger scattering from for studying nuclear potentials and dynamics

V Kimberg, O Travnikova, P Krasnov, N Boudjemia… - Physical Review A, 2024 - APS
In this study, we integrate experimental observations and theoretical models to elucidate the
complex phenomena observed in the resonant SK-edge KLL Auger scattering spectra of the …

KL double core hole pre-edge states of HCl

D Koulentianos, R Püttner, G Goldsztejn… - Physical Chemistry …, 2018 - pubs.rsc.org
The formation of double core hole pre-edge states of the form 1s− 12p− 1 (1, 3P) σ*, n for
HCl, located on the binding energy scale as deep as 3 keV, has been investigated by means …

Formation and relaxation of K− 2 and K− 2V double-core-hole states in n-butane

D Koulentianos, V Carravetta, RC Couto… - The Journal of …, 2022 - pubs.aip.org
Using a magnetic bottle multi-electron time-of-flight spectrometer in combination with
synchrotron radiation, double-core-hole pre-edge and continuum states involving the K-shell …

Double-core-hole states in CH3CN: Pre-edge structures and chemical-shift contributions

D Koulentianos, S Carniato, R Püttner… - The Journal of …, 2018 - pubs.aip.org
Spectra reflecting the formation of single-site double-core-hole pre-edge states involving the
N 1s and C 1s core levels of acetonitrile have been recorded by means of high-resolution …

Single photon simultaneous K-shell ionization/excitation in C6H6: experiment and theory

S Carniato, P Selles, A Ferté, N Berrah… - Journal of Physics B …, 2020 - iopscience.iop.org
Single photon simultaneous core ionization/core excitation (K− 2 V) of the Benzene
molecule has been observed experimentally, using synchrotron radiation, by electron …