Results 181 to 190 of about 77,736 (258)

LiCrxFeyMn2−x−y−zTizO4 Spinels as Cathodes for Li‐Ion Batteries: A Multidoping Approach to Suppress Jahn–Teller Distortion

open access: yesChemElectroChem, Volume 13, Issue 6, 17 March 2026.
Multidoping of spinel LiMn2O4 with Cr, Fe, and Ti effectively suppresses Jahn–Teller distortion, enhancing structural stability and cycling performance in Li‐ion batteries. Operando X‐ray absorption spectroscopy and ex situ X‐ray diffraction confirm a stable spinel framework and indicate Mn as the only electrochemically active element.
Daniele Callegari   +8 more
wiley   +1 more source

Active Switching of Orbital Angular Momentum of Light Using Metasurfaces Incorporating Vanadium Dioxide

open access: yesNanophotonics, Volume 15, Issue 5, 16 March 2026.
This work presents a novel design strategy for active metasurfaces that actively switches OAM modes. The metasurface integrates VO2 within MIM meta‐atoms. Operating at 1500 nm, the designed platform enables large leaps in topological charge. For instance, the reflected beam can be switched from a topological charge of −1 in the insulating (M1) phase to
Qinghong Lyu   +4 more
wiley   +1 more source

Unraveling the Role of the Multifunctional Groups in the Adsorption of l-Cysteine on Rutile TiO<sub>2</sub>(110). [PDF]

open access: yesJ Am Chem Soc
Blanco Garcia M   +10 more
europepmc   +1 more source

Hybrid TiN ‐ MXene Photoanodes Drive Efficient Photoelectrochemical Water Splitting

open access: yesSolar RRL, Volume 10, Issue 5, 12 March 2026.
The photoelectrochemical (PEC) system based on an optimized TiO2‐MXene‐TiN hybrid (MXene:TiN 1:4 wt %) hybrid network sensitized with CdS/CdSe/ZnS QDs yields a photocurrent density of 15.80 mA cm−2 under 1 sun illumination (AM 1.5G, 100 mW cm−2, having 55% higher than control TiO2/QDs device (7.20 mA cm−2).
Parul Bansal   +4 more
wiley   +1 more source

Strain-Driven Selective Stabilization of Metastable TiO<sub>2</sub> Phases. [PDF]

open access: yesSmall
Jeon J   +9 more
europepmc   +1 more source

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