Results 281 to 290 of about 8,311,841 (367)

Improving Efficiency of Light Pressure Electric Generator Using Graphene Oxide Nanospacer Between Ag Nanoparticles

open access: yesCarbon Energy, Volume 8, Issue 1, January 2026.
This study improved light pressure‐to‐electricity energy harvesting by upgrading a Basic‐LPEG device with Ag nanoparticles/graphene oxide (AgNPs/GO) composites. This enhancement boosted output voltage and current significantly under solar simulator (AM 1.5 G).
Ha Young Lee   +5 more
wiley   +1 more source

Deep microbial colonization during impact-generated hydrothermal circulation at the Lappajärvi impact structure, Finland. [PDF]

open access: yesNat Commun
Gustafsson J   +9 more
europepmc   +1 more source

The world's oldest man‐made biological experiment

open access: yesEcography, Volume 2026, Issue 1, January 2026.
Biological experiments are often short‐lived due to logistical or resource‐related challenges, and short‐term observations are extrapolated to make long‐term predictions. However, the effects of experimental treatments on biological communities and processes take time to develop.
Laura Käse   +6 more
wiley   +1 more source

Effect of Er:YAG Laser Irradiation on the Flexural Fatigue Strength of a 4YSZ Ceramic

open access: yesJournal of Biomedical Materials Research Part B: Applied Biomaterials, Volume 114, Issue 1, January 2026.
ABSTRACT This study aimed to evaluate the effect of Er:YAG laser surface treatment on the flexural fatigue strength of 4YSZ ceramics, with or without resin cement application. Disk‐shaped zirconia ceramic specimens (Ø = 15 mm, thickness = 1.2 mm of IPS e.max ZirCAD MT BL) were prepared and randomly assigned to 10 groups based on two factors: “surface ...
Duvan Cala Castillo   +9 more
wiley   +1 more source

Single‐Pulse Nanomorphology Governs Laser‐Induced Periodic Surface Structure Formation on Metals

open access: yesLaser &Photonics Reviews, Volume 20, Issue 2, 22 January 2026.
Ultrashort pulse ablation enables generation of self‐organized periodic structures, where evolving nanomorphology controls pulse‐to‐pulse feedback. In noble metals, nanospikes form after the first pulse and localize surface waves, preventing periodic field distributions and thus suppressing their formation.
Nicolas Thomae   +7 more
wiley   +1 more source

“Seeing” Periodic Structures Emerge: Ultrafast Bright‐ and Dark‐Field Microscopy During Femtosecond Laser Interference Patterning of Silicon

open access: yesLaser &Photonics Reviews, Volume 20, Issue 1, 8 January 2026.
We report an ultrafast bright‐ and dark‐field pump‐probe microscopy technique combined with an interference patterning system to imprint amorphous and ablative line‐like structures with micrometer period in crystalline silicon using single femtosecond laser pulses.
Irene Solana, Jan Siegel
wiley   +1 more source

Shocked quartz at the Younger Dryas onset (12.8 ka) supports cosmic airbursts/impacts contributing to North American megafaunal extinctions and collapse of the Clovis technocomplex. [PDF]

open access: yesPLoS One
Kennett JP   +17 more
europepmc   +1 more source

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