Results 71 to 80 of about 4,012 (257)

Unveiling Exsolution‐Induced Giant Electronic and Magnetic Property Changes in Non‐Stoichiometric Titanate Perovskite Thin Films

Advanced Materials, EarlyView.
A giant insulator to metal transition and emergent superparamagnetism are revealed by nanoparticle exsolution in non‐stoichiometric titanate perovskite thin films. By combining transport, synchrotron spectroscopy, and first‐principles calculations, this work reveals how defect reconfiguration and lattice reconstruction fundamentally reshape electronic ...
Sungil Kim, June Ho Lee, Yaolong Xing, Dongchang Kim, Haeseong Jeong, Mongjun Jeong, Manuel Valvidares, Stuart S. P. Parkin, Sang Ho Oh, Donghwa Lee, Hyojin Yoon, Hyeon Han   +11 more
wiley   +1 more source

Review of the Soft Sparking Issues in Plasma Electrolytic Oxidation

Metals, 2018
A dense inner layer is highly valued among the surface coatings created through plasma electrolytic oxidation (PEO) treatment, because the PEO coating has been troubled by inherent porosity since its conception. To produce the favored structure, a proven
Dah-Shyang Tsai, Chen-Chia Chou
doaj   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

Advanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen, Zhanxi Fan, Jingjie Ge, Qiyuan He, Zhuangchai Lai, Jiawei Liu, Chaoliang Tan, Hua Zhang   +7 more
wiley   +1 more source

Laplace‐Pressure‐Stabilized Rutile Solid‐Solution Catalysts for Acidic Water Oxidation: Enabling DSA‐Inspired Compositions

Advanced Materials, EarlyView.
The miscibility of foreign elements in rutile‐type IrO2 and SnO2 is greatly enhanced under high Laplace pressure, where their crystal size is reduced to the nanoscale. This enhancement leads to the successful synthesis of DSA‐composition solid‐solution nanocatalysts with notable durability during the acidic OER in water electrolysis.
Chang Hyun Park, Juneseo Ahn, Dongho Kim, Hyeonsoo Wi, Ki Hyun Park, Jun Seop Kim, Sangmyeong Lee, Sung‐Yoon Chung   +7 more
wiley   +1 more source

Ti-Supported Oxide Coatings Based on MWO₄ (M = Fe, Co, Ni): Plasma Electrolytic Synthesis, Characterization and Catalytic Properties in S, N-Heterocycles Peroxide Oxidation

Molecules
In this study, catalytically active coatings on titanium were synthesized by plasma electrolytic oxidation (PEO) in aqueous electrolytes based on sodium tungstate with the addition of sodium phosphate or sodium borate and chelate complexes of iron ...
Irina G. Tarkhanova, Vladimir M. Zelikman, Irina V. Lukiyanchuk, Marina S. Vasilyeva, Vladimir V. Tkachev, Vladimir V. Korochentsev, Daria H. Shlyk   +6 more
doaj   +1 more source

Analysis of Gaseous Products of Plasma Electrolytic Oxidation of Aluminum

Surface Engineering and Applied Electrochemistry, 2019
Measurements of the volume and density of anodic gas evolved during anodic-spark oxidation showed the ratio of hydrogen to oxygen to be about 1.6–1.8 at current densities 1000–3000 A×m-2. The fraction of anodic hydrogen was 1.17–1.38% in the total amount of all hydrogen released during the anodic-spark oxidation from both electrodes.
Golovenko, V.A., Kalinichenko, O.A., Roienko, E.V., Gurevina, N.L., Snijko, L.A.   +4 more
openaire   +1 more source

Selective Electrochemical NOx Reduction to N2 for Sustainable Ammonia Energy Systems

Advanced Materials, EarlyView.
Selective electrochemical NOx reduction to N2 offers a promising route to mitigate combustion‐derived NOx emissions in ammonia energy systems. This Perspective links *NO‐mediated pathways, the key intermediate role of N2O, and low‐coverage limitations to the origins of limited N2 selectivity, establishing tandem catalysis and microenvironment ...
Zeliang Wu, Yixin Chen, Zuxin Wen, Xianbiao Fu   +3 more
wiley   +1 more source

The Incorporation of Particles Suspended in the Electrolyte into Plasma Electrolytic Oxidation Coatings

, 2021
This work describes an investigation into the mechanisms responsible for the incorporation of particles and fibres suspended in the electrolyte during plasma electrolytic oxidation, and provides a comparison of the processing and discharge characteristics of aluminium, titanium and magnesium. Well-established methods such as synchronised small area and
openaire   +2 more sources

Angstrom‐Scale Confined Ion Sieve and Accelerator for Efficient Aqueous Zinc Batteries

Advanced Materials, EarlyView.
An angstrom‐scale confined ion accelerator strategy is proposed for ultra‐stable aqueous Zn anodes. Selective and precise transport of hydrated Zn(H2O)62+, Zn2+ cations, H2O molecules, and SO42− anions is achieved by in‐plane atomic Ti vacancies and angstrom‐scale interlayer free spacing within the Ti0.87O2 interfacial layer, leading to homogeneous Zn ...
Xing Peng, Caichao Ye, Yingqiang Li, Zhihang Liu, Kunxi Luan, Jinbo Fan, Honglan Huang, Chao Liu, Na Shen, Zhen Hou, Wenyao Zhang, Yongsheng Fu, Mingzhe Chen, Linfeng Hu, Pan Xiong, Guoxiu Wang, Junwu Zhu   +16 more
wiley   +1 more source

Soft Skins With Reversible Thickness Morphing: Materials, Mechanisms, and Applications

Advanced Materials, EarlyView.
Evolution of electronic skin (e‐skin) technologies toward adaptive, multifunctional soft skins. Phase I highlights early rigid and discrete sensory interfaces. Phase II shows the transition toward flexible, stretchable, and large‐area e‐skin. Phase III captures the emergence of computational e‐skin.
Oliver Ozioko, Chiamaka Akah, Ravinder Dahiya   +2 more
wiley   +1 more source