activity
20132026
most citedVerification of first-principles codes: comparison of total energies, phonon frequencies, electron-phonon coupling and zero-point motion correction to the gap between ABINIT and QE/Yambo

108 citations · 236 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.mtrl-sci2026

Micro-environment of the Eu interstitial in -SiAlON:Eu green phosphor

Julien Bouquiaux, Samuel Poncé, Yongchao Jia +2

The precise atomic-scale structure around Eu activators in the -SiAlON:Eu commercial green phosphor remains elusive. We use the first-princ…

cond-mat.mtrl-sci2025★ 28 cited

Abinit 2025: New Capabilities for the Predictive Modeling of Solids and Nanomaterials

Matthieu J. Verstraete, Joao Abreu, Guillaume E. Allemand +71

Abinit is a widely used scientific software package implementing density functional theory and many related functionalities for excited states and response properties. This paper p…

cond-mat.mtrl-sci2023★ 22 cited

A First-Principles Explanation of the Luminescent Line Shape of SrLiAlN:Eu Phosphor for Light-Emitting Diode Applications

Julien Bouquiaux, Samuel Poncé, Yongchao Jia +3

White light-emitting diodes are gaining popularity and are set to become the most common light source in the U.S. by 2025. However, their performance is still limited by the lack o…

cond-mat.mtrl-sci2021★ 14 cited

Design rule for the emission linewidth of Eu-activated phosphors

Yongchao Jia, Samuel Poncé, Anna Miglio +2

We study from first principles the emission linewidth of Eu-doped LED phosphors. Based on the one-dimensional configuration coordinate model, an analysis of first principles…

cond-mat.mtrl-sci2020★ 21 cited

Importance of long-range channel Sr displacements for the narrow emission in Sr[LiAlON]:Eu phosphor

Julien Bouquiaux, Samuel Poncé, Yongchao Jia +3

The recently discovered Sr[LiAlON]:Eu red phosphor, candidate for the next generation of eco-efficient white light-emitting diodes, exhibits excellent emissi…

cond-mat.mtrl-sci2017★ 43 cited

Assessment of First-Principles and Semiempirical Methodologies for Absorption and Emission Energies of Ce-Doped Luminescent Materials

Yongchao Jia, Samuel Poncé, Anna Miglio +2

In search of a reliable methodology for the prediction of light absorption and emission of Ce-doped luminescent materials, 13 representative materials are studied with first…