Investigation of the Dynamic Behaviour of H2 and D2 in a Kinetic Quantum Sieving System

D Yang, S Rochat, M Krzystyniak, A Kulak… - … applied materials & …, 2024 - ACS Publications
Porous organic cages (POCs) are nanoporous materials composed of discrete molecular
units that have uniformly distributed functional pores. The intrinsic porosity of these …

[HTML][HTML] Hydrogen spillover in tungsten oxide bronzes as observed by broadband neutron spectroscopy

E Lalik, SF Parker, G Irvine, I da Silva, MJ Gutmann… - Energies, 2023 - mdpi.com
Hydrogen spillover is an elusive process, and its characterization, using experimental
probes and ab initio modeling, poses a serious challenge. In this work, the nuclear quantum …

Thermal neutron cross sections of amino acids from average contributions of functional groups

G Romanelli, D Onorati, P Ulpiani… - Journal of Physics …, 2021 - iopscience.iop.org
The experimental thermal neutron cross sections of the 20 proteinogenic amino acids have
been measured over the incident-neutron energy range spanning from 1 meV to 10 keV and …

[HTML][HTML] Glass transition in rice pasta as observed by combined neutron scattering and time-domain NMR

M Witek, M Krzystyniak, G Romanelli, T Witczak - Polymers, 2021 - mdpi.com
Experimental protocols aiming at the characterisation of glass transition often suffer from
ambiguity. The ambition of the present study is to describe the glass transition in a complex …

[HTML][HTML] Structural and Dynamical Effects of the CaO/SrO Substitution in Bioactive Glasses

M Fabian, M Krzystyniak, A Khanna, Z Kovacs - Molecules, 2024 - pmc.ncbi.nlm.nih.gov
Silicate glasses containing silicon, sodium, phosphorous, and calcium have the ability to
promote bone regeneration and biodegrade as new tissue is generated. Recently, it has …

The neutron cross section of barite-enriched concrete for radioprotection shielding in the range 1 meV–1 keV

M Martellucci, G Romanelli, S Valeri, D Cottone… - The European Physical …, 2021 - Springer
We present a characterization of a series of barite-enriched concrete samples at the atomic
scale using neutron-based techniques. In particular, neutron transmission measurements …

[HTML][HTML] Quantum motion of oxygen and hydrogen in water: Atomic and total kinetic energy across melting from neutron scattering measurements

G Romanelli, C Andreani, A Bocedi… - The Journal of Chemical …, 2024 - pubs.aip.org
We provide a concurrent measurement of the hydrogen and oxygen nuclear kinetic energies
in the water molecule across melting at 270 K in the solid phase and 276 K in the liquid …

Nuclear quantum dynamics in hexamethylenetetramine and its deuterated counterpart: A DFT-augmented neutron study

M Krzystyniak, MJ Gutmann, K Refson… - Physica …, 2023 - iopscience.iop.org
Despite being one of the most thoroughly characterised molecular crystals,
hexamethylenetetramine (HMT) and its deuterated counterpart (DHMT), are still not fully …

Nuclear dynamics in BaZr0. 7Ce0. 2Y0. 1O3− δ proton conductor as observed by neutron diffraction and Compton scattering

J Wallis, A Kruth, I Da Silva… - Journal of Physics …, 2020 - iopscience.iop.org
Concurrent neutron Compton scattering (NCS) and neutron diffraction experiments at
temperatures between 70 K and 300 K have been performed on proton-conducting hydrated …

The effective isotropy of the hydrogen local potential in biphenyl and other hydrocarbons

P Ulpiani, G Romanelli, D Onorati… - The Journal of …, 2020 - pubs.aip.org
We present an experimental investigation of the hydrogen nuclear momentum distribution in
biphenyl using deep inelastic neutron scattering. Our experimental results suggest that the …