Ionic gating for tuning electronic and magnetic properties

Y Guan, H Han, F Li, G Li… - Annual Review of …, 2023 - annualreviews.org
The energy-efficient manipulation of the properties of functional materials is of great interest
from both a scientific and an applied perspective. The application of electric fields is one of …

Unraveling the Trade‐Off Between Oxygen Vacancy Concentration and Ordering of Perovskite Oxides for Efficient Lattice Oxygen Evolution

LB Liu, YF Tang, S Liu, M Yu, Y Sun… - Advanced Energy …, 2024 - Wiley Online Library
Oxygen evolution reaction (OER) over perovskite oxides, upon undergoing a lattice oxygen
oxidation mechanism, is strongly oxygen vacancy‐correlated as determined by the oxygen …

Li iontronics in single-crystalline T-Nb2O5 thin films with vertical ionic transport channels

H Han, Q Jacquet, Z Jiang, FN Sayed, JC Jeon… - Nature Materials, 2023 - nature.com
The niobium oxide polymorph T-Nb2O5 has been extensively investigated in its bulk form
especially for applications in fast-charging batteries and electrochemical (pseudo) …

Mechanisms of Hysteresis and Reversibility across the Voltage-Driven Perovskite–Brownmillerite Transformation in Electrolyte-Gated Ultrathin La0.5Sr0.5CoO3−δ

WM Postiglione, G Yu, V Chaturvedi… - … applied materials & …, 2024 - ACS Publications
Perovskite cobaltites have emerged as archetypes for electrochemical control of materials
properties in electrolyte-gate devices. Voltage-driven redox cycling can be performed …

Oxygen ion migration induced polarity switchable SrFeOx memristor for high-precision handwriting recognition

R Su, R **ao, C Shen, D Song, J Chen, B Zhou… - Applied Surface …, 2023 - Elsevier
This paper reports a repeatable polarity reversal behavior in Au/SrFeO x (SFO)/SrRuO 3
(SRO) memristor. The set and reset voltage direction can be inverted by applying a suitable …

Orienting Oxygen Vacancy Channels in Brownmillerite Strontium Ferrite Thin Films Using Strain: Implications for Facile Oxygen Ion Transport

F Yan, J Wu, S Ning, F Luo - ACS Applied Nano Materials, 2024 - ACS Publications
The control of oxygen vacancy channels (OVCs) in brownmillerite (BM) oxides has a
substantial impact on tuning their physical and chemical properties. Here, we demonstrated …

Reversal of Anomalous Hall Effect and Octahedral Tilting in SrRuO3 Thin Films via Hydrogen Spillover

H Han, H Zhou, C Guillemard, M Valvidares… - Advanced …, 2023 - Wiley Online Library
The perovskite SrRuO3 (SRO) is a strongly correlated oxide whose physical and structural
properties are strongly intertwined. Notably, SRO is an itinerant ferromagnet that exhibits a …

All‐Oxide Metasurfaces Formed by Synchronized Local Ionic Gating

H Han, A Sharma, J Yoon, Z Wang, C Körner… - Advanced …, 2024 - Wiley Online Library
Ionic gating of oxide thin films has emerged as a novel way of manipulating the properties of
thin films. Most studies are carried out on single devices with a three‐terminal configuration …

Electrochemically driven physical properties of solid-state materials: action mechanisms and control schemes

T Shimizu, H Wang, K Wakamatsu, S Ohkata… - Dalton …, 2024 - pubs.rsc.org
The various physical properties recently induced by solid-state electrochemical reactions
must be comprehensively understood, and their mechanisms of action should be elucidated …

Guided anisotropic oxygen transport in vacancy ordered oxides

Z Yang, L Wang, JA Dhas, MH Engelhard… - Nature …, 2023 - nature.com
Anisotropic and efficient transport of ions under external stimuli governs the operation and
failure mechanisms of energy-conversion systems and microelectronics devices. However …