Maths Karlsson
Maths Karlsson is since 2023 Professor in Materials Science. Prior to his appointment at Chalmers (2011), he was employed as a scientist at the European Spallation Source in Lund (2008-2011), where he, outstationed to the Institut Laue-Langevin in Grenoble, France, was engaged in the development of new neutron scattering methods. He has also been a visiting scientist at Iowa State University (2004) and University of California in Santa Barbara (2012-2013). His research group focuses on studies of various fundamental aspects of structure and dynamics in functional - mostly energy relevant - materials, such as proton conducting oxides, mixed-anion compounds, metal halide perovskites, and inorganic phosphors, with a view towards their application in various technological devices (e.g., solid oxide fuel cells, solar cells, and light-emitting diodes) or for use in catalysis. A unifying theme in almost every aspect of this research is the goal to develop a detailed understanding of the coupling of the materials' functional properties to their atomic-scale structure and dynamics. The research is mainly experimental in nature. The primary tools to this end involve the use – and development – of advanced neutron and x-ray scattering techniques, vibrational spectroscopy, and optical techniques for studies of luminescence. Maths is chairman of the Faculty Assembly of the Department of Chemistry and Chemical Engineering and a member of Chalmers Faculty Senate.
Showing 86 publications
Neutron Reflectivity in Corrosion Research on Metals
Impact of Sodium on the Water Dynamics in Prussian Blue Analogues
Ce<sup>3+</sup> in Complex Garnets – Towards Red-Shifted Luminescence and Challenges Therein
Rotational Dynamics of Organic Cations in Formamidinium Lead Iodide Perovskites
Proton Diffusion Mechanism in Hydrated Barium Indate Oxides
Vibrational properties of SrVO2 H with large spin-phonon coupling
A Bibliometric Study on Swedish Neutron Users for the Period 2006–2020
Resonant enhancement of grazing incidence neutron scattering for the characterization of thin films
Diffusional Dynamics of Hydride Ions in the Layered Oxyhydride SrVO<inf>2</inf>H
Interplay between the Reorientational Dynamics of the B3H8- Anion and the Structure in KB3H8
Cation Dynamics and Structural Stabilization in Formamidinium Lead Iodide Perovskites
Phonon spectra of pure and acceptor doped BaZrO3 investigated with visible and UV Raman spectroscopy
Photoluminescence Properties and Fabrication of Red-Emitting LEDs based on Ca9Eu(VO4)(7) Phosphor
Interplay of NH4+ and BH4- reorientational dynamics in NH4BH4
Unraveling the Mechanisms of Thermal Quenching of Luminescence in Ce3+-Doped Garnet Phosphors †
Vibrationally induced color shift tuning of photoluminescence in Ce³⁺-doped garnet phosphors
Analysis of Dihydrogen Bonding in Ammonium Borohydride
Local structure and vibrational dynamics in indium-doped barium zirconate
Local Coordination of Protons in In- and Sc-Doped BaZrO3
Weak thermal quenching of the luminescence in the Ca3Sc2Si3O12:Ce3+ garnet phosphor
Investigation of the Order-Disorder Rotator Phase Transition in KSiH3 and RbSiH3
Localized Proton Motions in Acceptor-Doped Barium Zirconates
Influence of Yttrium Concentration on Local Structure in BaZr1-xYxO3-delta Based Proton Conductors
Ionic Conductors and Protonics
Anisotropic Proton and Oxygen Ion Conductivity in Epitaxial Ba2In2O5 Thin Films
Inorganic Phosphor Materials for Lighting
Structure and dehydration mechanism of the proton conducting oxide Ba2In2O5(H2O)(x)
Structure and Conductivity of Epitaxial Thin Films of In-Doped BaZrO3-Based Proton Conductors
Proton Dynamics in Hydrated BaZr0.9M0.1O2.95 (M = Y and Sc) Investigated with Neutron Spin-Echo
Liquid 1-propanol studied by neutron scattering, near-infrared, and dielectric spectroscopy
Preparing Swedish Students for the ESS
Perspectives of neutron scattering on proton conducting oxides
Polarized neutron Laue diffraction on a crystal containing dynamically polarized proton spins
Using Neutron Spin-Echo To Investigate Proton Dynamics in Proton-Conducting Perovskites
Quasielastic neutron scattering of hydrated BaZr0.90A0.10O2.95 (A = Y and Sc)
Short-range structure of proton-conducting perovskite BaInxZr1-xO3-x/2 (x=0-0
O-H wag vibrations in hydrated BaInxZr1-xO3-x/2
Crystal structure and proton conductivity of BaZr0.9Sc0
Proton conduction in Perovskite Oxide BaZr0.5Yb0.5O3-δ Prepared by Wet Chemical Route
Structure of Proton-Conducting Alkali Thio-Hydroxogermanates
Location of deuteron sites in the proton conducting perovskite BaZr0.50In0.50O3-y
Neutron Diffraction and Far-Infrared Spectroscopy of Proton Conducting Alkali Thio-hydroxogermanates
Structural study and proton conductivity in Yb-doped BaZrO3
Solid state proton conductors: hydrated perovskites and hydrated alkali thio-hydroxogermanates
Proton conductivity and low temperature structure of In-doped BaZrO3
Temperature Dependent Infrared Spectroscopy on Proton Conducting Alkali Thio-Hydroxogermanates
Vibrational properties of proton conducting double pervoskites
Vibrational Properties of Protons in Hydrated BaInxZr1-xO3-x/2
Vibrational proton dynamics in hydrated perovskites and alkali thio-hydroxogermanates
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Showing 8 research projects
Nya fosforer för effektig och behaglig belysning
Surface/interface dynamics investigated with neutron scattering
Neutron scattering investigations of hydrogen dynamics in peculiar perovskite oxyhydrides
New understanding and development of novel red phosphors for solid state lighting
Mekanistiska aspekter om protoner i rena energimaterial
New insights in hydrogenous materials for energy