Recent developments of MCViNE and its applications at SNS

JYY Lin, F Islam, G Sala, I Lumsden… - Journal of Physics …, 2019 - iopscience.iop.org
MCViNE is an open source, object-oriented Monte Carlo neutron ray-tracing simulation
software package. Its design allows for flexible, hierarchical representations of sophisticated …

Dynamic crystallography reveals spontaneous anisotropy in cubic GeTe

SAJ Kimber, J Zhang, CH Liang, GG Guzmán-Verri… - Nature materials, 2023 - nature.com
Cubic energy materials such as thermoelectrics or hybrid perovskite materials are often
understood to be highly disordered,. In GeTe and related IV–VI compounds, this is thought to …

[PDF][PDF] POWGEN: rebuild of a third-generation powder diffractometer at the Spallation Neutron Source

A Huq, M Kirkham, PF Peterson… - Journal of Applied …, 2019 - journals.iucr.org
The neutron powder diffractometer POWGEN at the Spallation Neutron Source has recently
(2017–2018) undergone an upgrade which resulted in an increased detector complement …

Density measurements of various molten Sodium, Magnesium, Potassium, and Uranium Chloride salt compositions using Neutron Imaging

J Moon, H Andrews, C Agca, JC Bilheux… - Industrial & …, 2022 - ACS Publications
With an increased interest in the use of molten salts for energy generation, obtaining
thermophysical properties of salt mixtures becomes critical for the understanding of salt …

Real-Space Local Dynamics of Molten Inorganic Salts Using Van Hove Correlation Function

Y Shinohara, AS Ivanov, D Maltsev… - The Journal of …, 2022 - ACS Publications
Molten inorganic salts are attracting resurgent attention because of their unique
physicochemical properties, making them promising media for next-generation …

Thermal expansion and phonon anharmonicity of cuprite studied by inelastic neutron scattering and ab initio calculations

CN Saunders, DS Kim, O Hellman, HL Smith… - Physical Review B, 2022 - APS
Inelastic neutron scattering measurements were performed with a time-of-flight chopper
spectrometer to observe phonons in all parts of the Brillouin zone of a single crystal of …

Atomistic origin of the entropy of melting from inelastic neutron scattering and machine learned molecular dynamics

CM Bernal-Choban, V Ladygin, GE Granroth… - Communications …, 2024 - nature.com
The latent heat, L, is central to melting, but its atomic origin remains elusive. It is proportional
to the entropy of fusion, Δ S fus= L/T m (T m is the melting temperature), which depends on …

Thermal neutron scattering measurements and modeling of yttrium-hydrides for high temperature moderator applications

CW Chapman, K Ramić, X Hu, JM Brown… - Annals of Nuclear …, 2021 - Elsevier
Thermal neutron scattering measurements of yttrium hydride from 5 to 1,200 K were
conducted to determine the change in inelastic scattering as a function of temperature and to …

Temperature-dependent lattice dynamics in iridium

DH Moseley, SJ Thébaud, LR Lindsay, Y Cheng… - Physical Review …, 2020 - APS
The characterization of simple elemental systems is key to benchmarking first-principles
modeling of electronic and vibrational behaviors of materials. A large body of literature has …

Experimental and numerical investigation the radiant heating element in neutron scattering furnace

H Hu, C Zhang, M Dou, Z Huang, Y Sun, F Ye… - Nuclear Instruments and …, 2023 - Elsevier
A metal foil furnace is an instrument that provides a high-temperature sample environment
for neutron scattering experiments. The temperature distribution is of great significance to …