[HTML][HTML] On the complexity of spinels: Magnetic, electronic, and polar ground states

V Tsurkan, HAK Von Nidda, J Deisenhofer… - Physics Reports, 2021 - Elsevier
This review aims to summarize more than 100 years of research on spinel compounds,
mainly focusing on the progress in understanding their magnetic, electronic, and polar …

Polarons in two-dimensional atomic crystals

WH Sio, F Giustino - Nature Physics, 2023 - nature.com
Polarons are quasiparticles that emerge from the interaction of fermionic particles with
bosonic fields. In crystalline solids, polarons form when electrons and holes become …

Terahertz spin dynamics in rare-earth orthoferrites

X Li, D Kim, Y Liu, J Kono - Photonics Insights, 2023 - spiedigitallibrary.org
Recent interest in develo** fast spintronic devices and laser-controllable magnetic solids
has sparked tremendous experimental and theoretical efforts to understand and manipulate …

Revealing a distortive polar order buried in the Fermi sea

J Shi, W You, X Li, FY Gao, X Peng, S Zhang, J Li… - Science …, 2024 - science.org
Polar metals are challenging to identify spectroscopically because the fingerprints of electric
polarization are often obscured by the presence of screening charges. Here, we unravel …

Snapshots of a light-induced metastable hidden phase driven by the collapse of charge order

FY Gao, Z Zhang, Z Sun, L Ye, YH Cheng, ZJ Liu… - Science …, 2022 - science.org
Nonequilibrium hidden states provide a unique window into thermally inaccessible regimes
of strong coupling between microscopic degrees of freedom in quantum materials …

Verwey-Type Charge Ordering and Site-Selective Mott Transition in Fe4O5 under Pressure

S Layek, E Greenberg, S Chariton… - Journal of the …, 2022 - ACS Publications
The metal–insulator transition driven by electronic correlations is one of the most
fundamental concepts in condensed matter. In mixed-valence compounds, this transition is …

A facile and green synthesis of superparamagnetic Fe3O4@ PANI nanocomposite with a core–shell structure to increase of triplet state population and efficiency of the …

F Sadegh, AR Modarresi-Alam, M Noroozifar… - Journal of …, 2021 - Elsevier
The superparamagnetic nanocomposite of Fe 3 O 4@ PANI by using solid-state (solvent-
free) in-situ polymerization method is synthesized, characterized, and designed for …

Identification of large polarons and exciton polarons in rutile and anatase polymorphs of titanium dioxide

Z Dai, F Giustino - Proceedings of the National Academy of Sciences, 2024 - pnas.org
Titanium dioxide (TiO2) is a wide-gap semiconductor with numerous applications in
photocatalysis, photovoltaics, and neuromorphic computing. The unique functional …

Verwey transition as evolution from electronic nematicity to trimerons via electron-phonon coupling

W Wang, J Li, Z Liang, L Wu, PM Lozano… - Science …, 2023 - science.org
Understanding the driving mechanisms behind metal-insulator transitions (MITs) is a critical
step toward controlling material's properties. Since the proposal of charge order–induced …

Magnetism and the trimeron bond

JP Attfield - Chemistry of Materials, 2022 - ACS Publications
A review of progress in understanding the Verwey transition in magnetite (Fe3O4) over the
past decade is presented. This electronic and structural transition at TV≈ 125 K was …