Results 201 to 210 of about 157,681 (294)

Self‐Assembled Inorganic Nanomembrane Tubes: Rolled‐Up Piezoelectrics for Microacoustic Wave‐Based Actuators and Sensors

Advanced Materials, EarlyView.
This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau, Christian N. Saggau, Stefan Baunack, Thomas Gemming, Yara Abdelaal, Robert Weser, Oliver G. Schmidt, Hagen Schmidt, Andreas Winkler, Mariana Medina‐Sánchez   +9 more
wiley   +1 more source

Experimental Study on Laser-Induced Damage Performance of CO₂ Laser-Polished Fused Silica Components. [PDF]

Micromachines (Basel)
Tan T, Xu Q, Wang S, Zhuo J, Geng F, Liu Z, Jin H, Wang X, Liu H, Zhang Q.   +9 more
europepmc   +1 more source

Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD

Advanced Materials, EarlyView.
Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo, Masoud Mansouri, Carlos Garcia‐Fernandez, Daniel Sánchez‐Portal, Aran Garcia‐Lekue, Gustavo Ceballos, Aitor Mugarza   +6 more
wiley   +1 more source

Ultraviolet Photodetectors Based on 4H-SiC With Honeycomb-Like Light-Trapping Structures. [PDF]

Adv Sci (Weinh)
Xiong H, Luo X, Yang Q, Hu Y, Chen J, Song L, Yang D, Pi X.   +7 more
europepmc   +1 more source

Flexoelectrically Induced Polar Topology in Twisted SrTiO3 Membranes

Advanced Materials, EarlyView.
Twisted SrTiO3 bilayers host polar vortices of flexoelectric origin, revealed through combined experiment and theory. By reconstructing polarization from the toroidal moment of strain gradients, the work establishes a 3D chiral state with broken inversion and mirror symmetries.
Isabel Tenreiro, Hugo Aramberri, Víctor Rouco, Gabriel Sánchez‐Santolino, Mariona Cabero, Fernando Gallego, David Sánchez‐Manzano, José M. González‐Calbet, Federico Mompeán, Mar García‐Hernández, Alberto Rivera‐Calzada, Jorge Íñiguez‐González, Carlos León, Jacobo Santamaría   +13 more
wiley   +1 more source

Effect of different surface treatments on the bond strength of zirconia to resin cement. An <i>in vitro</i> study. [PDF]

Front Dent Med
El Feghaly A, Nasr E, Lukomska-Szymanska M, Zmysłowska-Polakowska E, Najjar G, Harouni R, Bourgi R, Hardan L.   +7 more
europepmc   +1 more source

Effect of Atomic Layer Deposition of Ultra‐Thin Oxide on Reactivity and Durability of Perovskite Oxygen Electrodes

Advanced Materials, EarlyView.
This table of contents illustrates that the mechanism for mitigating Sr segregation depends strongly on the chemistry of the coating layer. HfO2 electrostatically stabilizes the surface by lowering the surface oxygen vacancies, which serve as the driving force for Sr migration. On the other hand, Al2O3 and Fe2O3 react with segregated Sr to form Sr‐Al‐O
Jongsu Seo, SungHyun Jeon, Hyunseung Kim, San Kwak, DongHwan Oh, Bonjae Koo, Jinwook Kim, Jeong Hwan Kim, WooChul Jung   +8 more
wiley   +1 more source

Ultrasonic-assisted chemical milling: surface roughness characterization and material removal enhancement of Al 6061. [PDF]

Ultrason Sonochem
Mohammadi S, Rasti A.
europepmc   +1 more source

A Universal Parameter for Sillicon Anisotropic Etching In Alkaline Solutions

A Universal Parameter for Sillicon Anisotropic Etching In Alkaline Solutions
We propose a new explanation for the difference between the etching properties of potassium-hydroxide (KOH) and tetramethyl-ammonium-hydroxide (TMAH) by focusing on the volume fraction occupied by the corresponding cations, K＋ for KOH and TMA＋ (with molecular structure N(CH3)4＋) for TMAH. We have found experimentally that the differences in the surface
openaire  

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

Advanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source