Results 81 to 90 of about 13,762 (217)

G-type antiferromagnetic ordering with strong anisotropic exchange interactions in SrIr_{0.8}Sn_{0.2}O_{3}

open access: yesPhysical Review Research
Isovalent substitution of Ir^{4+} with Sn^{4+} in perovskite SrIrO_{3} induces a metal-insulator transition accompanied with strong antiferromagnetic ordering. We performed resonant x-ray scattering to investigate the magnetism in SrIr_{0.8}Sn_{0.2}O_{3}.
Xiang Li   +9 more
doaj   +1 more source

How Proton Incorporation Reshapes Lattice Dynamics In BaSnO3‐Type Proton Conductors

open access: yesAdvanced Science, EarlyView.
Yttrium‐doped BaSnO3 exhibits isotope‐dependent changes in its low‐energy vibrational density of states upon hydration. Comparison of dry, H2O‐, and D2O‐treated samples re‐veals mass‐dependent phonon renormalization linked to proton dynamics near oxygen va‐cancies, providing experimental insight into hydrogen‐coupled lattice excitations in proton ...
Artur Braun   +9 more
wiley   +1 more source

Reinforcing Particle Architectural Stability of Li‐Rich Cathode With Enhanced Anionic Redox Reaction Reversibility

open access: yesAngewandte Chemie, EarlyView.
In this work, we establish a direct correlation between internal compactness and particle architectural stability, identifying it as a key descriptor of cathode structural integrity. Simultaneously, the capacity contribution and compensation mechanism of ARR are resolved, revealing that the extent of irreversible capacity loss is governed by both the ...
Yizhen Huang   +24 more
wiley   +2 more sources

An exciting Approach to Theoretical Spectroscopy

open access: yesAdvanced Science, EarlyView.
ABSTRACT Theoretical spectroscopy, and more generally, electronic‐structure theory, are powerful concepts for describing the complex many‐body interactions in materials. They cover methods from ground‐state properties to lattice excitations and light‐matter interaction, including time‐resolved variants.
Martí Raya‐Moreno   +29 more
wiley   +1 more source

Origin of Ising magnetism in Ca3Co2O6 unveiled by orbital imaging

open access: yesNature Communications, 2019
Ca$${}_{3}$$ 3 Co$${}_{2}$$ 2 O$${}_{6}$$ 6 has an unconventional magnetic structure displaying quantum tunnelling phenomena in its magnetization. Here, the authors use s-core-level non-resonant inelastic X-ray scattering to image the atomic Co 3d ...
Brett Leedahl   +9 more
doaj   +1 more source

Resonant inelastic X-ray scattering (RIXS) of SrCuO 2 [PDF]

open access: yesSolid State Communications, 2004
7 pages, 5 figures, jpsj2 ...
Higashiya, Atsushi   +9 more
openaire   +2 more sources

Femtosecond‐Laser Nanocavitation Regenerates SERS‐Active Plasmonic Nanogaps for Longitudinal Molecular Sensing at Biointerfaces

open access: yesAdvanced Science, EarlyView.
A regenerative molecular sensing platform that co‐localizes surface‐enhanced Raman spectroscopy (SERS) sensing and nanocavitation‐based actuation. Femtosecond‐laser triggered nanocavitation produces thermomechanical forces to locally regenerate SERS‐active nanogaps in protein‐rich biofluids while preserving optical performance.
Aditya Garg   +8 more
wiley   +1 more source

Fate of charge order in overdoped La-based cuprates

open access: yesnpj Quantum Materials, 2023
In high-temperature cuprate superconductors, stripe order refers broadly to a coupled spin and charge modulation with a commensuration of eight and four lattice units, respectively.
K. von Arx   +20 more
doaj   +1 more source

Halide Perovskite: A Rich Source of Thermal Insulator

open access: yesAdvanced Science, EarlyView.
Halide perovskites exhibit ultralow thermal conductivity driven by intrinsic lattice softness and strong anharmonicity, falling below conventional defect‐engineering limits. Weak metavalent bonding, A‐site rattling, and dynamic octahedral tilting drive phonon scattering to the Ioffe–Regel limit, where wave‐like tunneling replaces particle‐like ...
Haolin Ye   +3 more
wiley   +1 more source

Emergent 3D Fermiology and Magnetism in an Intercalated Van der Waals System

open access: yesAdvanced Science, EarlyView.
An emergent three‐dimensional electronic state is uncovered in an intercalated van der Waals system. A spin‐polarized intercalant‐host hybridized band crossing the Fermi level provides an itinerant channel for interlayer exchange, highlighting how electronic dispersion governs magnetic dimensionality.
Luigi Camerano   +18 more
wiley   +1 more source

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