Results 71 to 80 of about 2,365 (229)

Anisotropic focusing characteristics of micro-domain structures within crystalline Sr0.61Ba0.39Nb2O6 : the crystal ball

open access: yes, 1997
We report the anisotropic focusing characteristics of a spherically configured region of micro-domains that have been induced within a cubic shaped crystal of Ce:doped Sr0.61Ba0.39Nb2O6.
Ross, Graeme W.   +4 more
core   +1 more source

Perovskites and other framework structure materials (Book's first pages and Preface)

open access: yesMaterials and Devices, 2021
Perovskites are among the most famous materials due to their exceptional properties: they present nearly all existing types of interesting properties, in particular as ferroics or multiferroics, they may be insulators, (super)conductors, or ...
Pierre Saint Gregoire, Mikhail Smirnov
doaj   +2 more sources

Solar Fuels Via Methane Valorization: Thermochemical Pathways, Unified Metrics, and Techno‐Economic Perspectives

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A first‐of‐its‐kind review benchmarks three solar methane valorization pathways with unified performance metrics for clean fuel production. Meeting global climate targets and sustainable energy demands requires carbon‐neutral fuels and innovative conversion pathways.
Muhammad Abdulmoez   +3 more
wiley   +1 more source

Strain and Band Modulation of WO3/SnSe Micro‐Nano Composites Achieving Superior Photocatalytic Performance

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
WO3/SnSe micro‐nano composites demonstrate exceptional photocatalytic performance through synergistic strain and band modulation. Lattice strain modulation enhances methyl orange adsorption and visible light absorption, while Z‐scheme band alignment promotes efficient charge separation. The 2.5% WO3/SnSe composite achieves 99.71% degradation efficiency,
Qinyuan Huang   +9 more
wiley   +1 more source

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam   +3 more
wiley   +1 more source

Synthesis of calcium doped phosphate tungsten bronze [PDF]

open access: yes, 2018
A study is presented of phase transitions of acid CaHPW12O40∙6H2O salt of 12-tungstophosphoric acid and characterized in the temperature range from room temperature to 1093 K.
Tančić, Pavle   +4 more
core  

Lithium Intercalation in Perovskite and Hexagonal Tungsten Bronze Derivatives

open access: yes, 1988
Lithium has been intercalated chemically and electrochemically in LnNb3O9 (Ln = La, Nd) perovskite-type phases and LiW3O9F which can be considered as a hexagonal tungsten bronze derivative.The crystallographic formula of the LnNb3O9 starting material is □
J.P. Chaminade   +5 more
core   +1 more source

Research Progress and Prospects of High‐Entropy Oxide Ceramic for Dielectric Energy Storage

open access: yesNational Materials, EarlyView.
This review highlights the high‐entropy strategy in high‐entropy oxide ceramics for dielectric energy storage, emphasizing enhanced breakdown strength, polarization, and thermal stability. Key material systems, computational tools, and remaining challenges in scalable fabrication are discussed, along with future research directions. ABSTRACT Dielectric
Zhongqian Lv   +3 more
wiley   +1 more source

Comparative Study of the Reactivity of the Tungsten Oxides WO2 and WO3 with Beryllium at Temperatures up to 1273 K

open access: yesCondensed Matter, 2019
Tungsten oxides play a pivotal role in a variety of modern technologies, e.g., switchable glasses, wastewater treatment, and modern gas sensors. Metallic tungsten is used as armor material, for example in gas turbines as well as future fusion power ...
Martin Köppen
doaj   +1 more source

Manganese Oxide Catalysts for Lithium–Oxygen Batteries: Structures, Mechanisms, and Reaction Pathway Engineering

open access: yesSmall, EarlyView.
How do the morphologies, crystal structures, and electronic properties of manganese oxides influence oxygen reaction pathways in lithium–oxygen batteries (LOBs)? This review systematically summarizes structure‐dependent catalytic mechanisms and recent engineering strategies, highlighting how defect engineering, compositional modulation, and reaction ...
Ruiqin Peng   +7 more
wiley   +1 more source

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