Highlights: Electronic Structure, Magnetism and Dynamics

Highlights of research in electronic structure and magnetism published on the ESRF home page or in the annual ESRF Highlights.

• Scientists observe evidence of a new magnetic (dis)order in the square-lattice iridate Sr2IrO4
• Observing magnetic and charge instabilities in a UTe2 superconductor by X-ray spectroscopy
• New technique for fast chemical contrast: X-ray fluorescence intensity ratio detection at ID26
• Phonon-induced relaxation of a molecular qubit unravelled by inelastic X-ray scattering and spin dynamics simulations
• New von Hámos spectrometer at ID20
• Combining machine learning and X-ray emission spectroscopy to predict the structure of matter under pressure
• Charge order and magnetism in NdNiO2 infinite layers
• New versatile instrument for magnetism research at ID12
• Identifying fractional spin excitations in a 2D cuprate
• A new charge reordering in magnetite
• Making the ‘strange metal’ in high-critical-temperature superconductors even stranger
• Crystallographic conflict provides extraordinary phonon lifetime suppression
• X-rays reveal the energy storage mechanism of glow-in-the-dark materials
• Plutonium dioxide nanoparticles puzzle solved through a combination of synchrotron techniques
• Phonons reveal molecular-level organisation of phase-separated lipid membranes
• Charge density fluctuations in cuprates
• Gold in high-temperature ore-forming fluids has a ubiquitous complex
• Compatibility of quantitative X-ray spectroscopy with continuous distribution models of water at ambient conditions
• Evolution of the elastic properties of glassy amber in 110 million years measured by inelastic X-ray scattering
• 3D long-range charge order in a uniaxially-strained cuprate superconductor
• Revealing the nature of nanostructured reagents in organic synthesis
• Unexpected charge density waves in a family of cuprate superconductors
• G.Ghiringhelli and L.Braicovich receive award from the European Physical Society
• X-ray spectroscopy reveals iron spin state in oxygenated hemoproteins
• Why apical oxygens play against high Tc superconductivity
• RIXS reveals signatures of propagating charge density wave excitations in cuprates
• #weekendusers Nanoparticles for medical diagnosis and therapy
• Tracking down the origin of mercury contamination in human hair
• Manganese incorporation into mussel shells elucidated using X-ray emission spectroscopy
• Phonon-mediated passive transport in lipid membranes
• New phenomenon in old material: giant spin-phonon interaction unveiled in EuO
• Experimental realisation of single-atom magnets
• Where science never sleeps
• Synchrotron X-ray spectroscopy sheds light on the major Cu-species in the Cu-CHA deNOx catalyst
• A multi-technique approach to investigate silica-supported Ziegler−Natta catalysts
• Chemical reaction of cinnamic acid followed by time-resolved X-ray Raman spectroscopy
• A novel route to quantum spin liquids
• Determination of lanthanide-iron cluster interaction in butterfly molecules through combined XMCD and standard magnetometry
• Exploring actinide magnetism with XMCD
• How slow does glass flow?
• The core of the Moon revealed by synchrotron experiments
• RIXS reveals where TiO2 nanoparticles store hot electrons after plasmon-induced electron transfer from Au
• Exhaust gas catalysts in action: operando HERFD-XAS and XES for elucidating the mechanism of NOx-removal by ammonia-SCR
• Correlation of ground state properties and orbital anisotropy in heavy fermion materials
• Fully-polarised soft X-ray RIXS at the ESRF
• Element-selective measure of atomic polarisation by XANES in external electric fields
• A novel route to quantum spin liquids
• Short-range correlations in magnetite above the Verwey temperature
• Localisation of propagating phonons in a perfectly crystalline solid
• Role of disorder in the thermodynamics and atomic dynamics of glasses
• HERFD XAS reveals a Mo(III) in the nitrogenase active site
• Absence of Ce3+ sites in chemically active colloidal ceria nanoparticles
• A novel solution for the determination of NO oxidation state in Fe-NO complexes
• Strong magneto-chiral dichroism in a paramagnetic molecular helix observed by hard X-rays
• Europium nitride: a novel diluted magnetic semiconductor
• Tuning the magnetism of 3d-metal phthalocyanine adlayers by electron doping
• Similarities and differences between electron- and hole-doped cuprate superconductors unveiled by inelastic X-ray scattering
• CaIrO3: a spin-orbit Mott insulator beyond the jeff = 1/2 ground state
• High-energy plasmonic excitations in 2D transition-metal dichalcogenides
• RIXS reveals where TiO2 nanoparticles store electrons after plasmon-induced electron transfer from Au
• Better together: a novel bimetallic catalyst for the efficient processing of biomass
• Strong X-ray magneto-chiral dichroism in paramagnetic molecular helices
• Interfacial magnetic coupling in oxide superconductor/ferromagnet heterostructures revealed by X-ray absorption spectroscopy
• High-Tc superconductors: key similarities and differences between electron- and hole-doped cuprates unveiled by X-rays
• Europium nitride: a novel diluted magnetic semiconductor
• Persistent magnetic excitations in superconducting and non-superconducting La2-xSrxCuO4
• Room temperature magnetic semiconductor for spintronics
• Structural and electronic reconstruction at the interface between LaAlO3 and SrTiO3 band insulators revealed by X-rays
• Record paramagnetic response of gold nanoparticles deposited on an archaeal cell wall surface layer
• XMCD reveals the magnetism of Rh clusters
• The elusive structure and symmetry of the proton conducting oxide Y:BaZrO3
• Size influence on Pd catalysis for pollutant abatement
• Visualising clean catalytic technologies in action
• Spin reconstruction at La0.7Sr0.3MnO3/SrTiO3 interfaces
• Organising single-molecule magnets on surfaces while preserving their magnetic properties
• Suppression of ferromagnetism in compressed 3d metals
• Violation of Hund’s third rule in structurally-disordered ferromagnets
• Observation of a zero-magnetisation ferromagnet in exchange-coupled system
• Strong coupling of Sm and Fe magnetism in SmFeAsO
• Femtoscale magnetoelastic distortions in multiferroic TbMnO3
• Real-space multiple-scattering approach to resonant inelastic X-ray scattering
• Role of platinum in tin oxide based gas sensors: a study under working conditions
• Coupling of single molecule magnets to ferromagnetic metals
• Scientists observe smallest atomic displacements ever
• Towards full polarisation control in resonant inelastic soft X-ray scattering
• Determining the state of Pt in SnO2-based sensors under working conditions
• The deepest phase transition in the Earth's mantle
• EXAFS and XRD characterisation of palladium sorbents for high temperature mercury capture from fuel gas
• Hydration structure of the Cf(III) aqua ion
• Imaging multiferroic domains using X-ray polarisation-enhanced topography
• Ti magnetism at LaMnO3/SrTiO3 interfaces
• Element-specific magnetism across the metal-insulator transition in (Ga,Mn)As
• Photomagnetic molecular magnet
• Investigation of electronic structure and magnetism of bistable molecules with X-ray absorption
• Electronic structure and magnetism
• CO dissociation and transient carbon storage by supported Pd nanoparticles during CO/NO cycling
• Inequivalent routes across the Mott transition in V2O3 explored by X-ray absorption
• Strong K-edge magnetic circular dichroism in 1s2p RIXS
• Strong K-edge magnetic circular dichroism observed in photon-in/photon-out spectroscopy
• Soft X-ray holographic microscopy