The OpenMolcas Web: A Community-Driven Approach to Advancing Computational Chemistry

G Li Manni, I Fdez. Galván, A Alavi… - Journal of chemical …, 2023 - ACS Publications
The developments of the open-source OpenMolcas chemistry software environment since
spring 2020 are described, with a focus on novel functionalities accessible in the stable …

Energy level modeling of lanthanide materials: review and uncertainty analysis

JJ Joos, D Poelman, PF Smet - Physical Chemistry Chemical Physics, 2015 - pubs.rsc.org
Energy level schemes are an essential tool for the description and interpretation of atomic
spectra. During the last 40 years, several empirical methods and relationships were devised …

Resolving the ambiguity in the relation between Stokes shift and Huang–Rhys parameter

M de Jong, L Seijo, A Meijerink… - Physical Chemistry …, 2015 - pubs.rsc.org
Electronic transitions in luminescent molecules or centers in crystals couple to vibrations.
This results in broadening of absorption and emission bands, as well as in the occurence of …

First-Principles Study of Antisite Defect Configurations in ZnGa2O4:Cr Persistent Phosphors

A De Vos, K Lejaeghere, DEP Vanpoucke… - Inorganic …, 2016 - ACS Publications
Zinc gallate doped with chromium is a recently developed near-infrared emitting persistent
phosphor, which is now extensively studied for in vivo bioimaging and security applications …

Thermal ionization and thermally activated crossover quenching processes for luminescence in

J Ueda, A Meijerink, P Dorenbos, AJJ Bos, S Tanabe - Physical Review B, 2017 - APS
We investigated thermally activated ionization and thermally activated crossover as the two
possibilities of quenching of 5 d luminescence in P r 3+-doped Y 3 A l 5− x G ax O 12 …

Charge transfer from Eu2+ to trivalent lanthanide co-dopants: Systematic behavior across the series

JJ Joos, I Neefjes, L Seijo… - The Journal of Chemical …, 2021 - pubs.aip.org
Electron transfer processes between lanthanide activators are crucial for the functional
behavior and performance of luminescent materials. Here, a multiconfigurational ab initio …

Color Control of Pr3+ Luminescence by Electron–Hole Recombination Energy Transfer in CaTiO3 and CaZrO3

Z Barandiarán, M Bettinelli, L Seijo - The Journal of Physical …, 2017 - ACS Publications
Controlling luminescence in phosphors able to produce several emissions from different
stable excited states determines their use in optical devices. We investigate the color control …

An embedded cluster CASPT2 study of the Ce: YVO4 spectrum

ED Larsson, V Veryazov - The Journal of chemical physics, 2023 - pubs.aip.org
Multiconfigurational theory, in combination with the embedded cluster approach, is a precise
and ab initio approach to describe the electronic structure of solids. In this work, the …

Mixed-valence lanthanide-activated phosphors: invariance of the intervalence charge transfer (IVCT) absorption onset across the series

I Neefjes, JJ Joos, Z Barandiarán… - The Journal of Physical …, 2020 - ACS Publications
Recently, direct evidence was given for the existence of intervalence charge transfer (IVCT)
states of Eu2+/Eu3+ pairs in Eu-doped fluorite hosts and their signature in absorption …

[HTML][HTML] A program system for self-consistent embedded potentials for ionic crystals

ED Larsson, M Krośnicki, V Veryazov - Chemical Physics, 2022 - Elsevier
Embedded-cluster models of crystalline solids are important to allow accurate wave function
methods to be applicable to solids. The ab initio model potential method for embedding ionic …