Results 141 to 150 of about 594,035 (375)

Diffractoid grating configuration for X-ray and ultraviolet focusing [PDF]

, 1980
An aspheric grating is described which is operable to image local or distant point sources sharply in a designated wavelength, i.e., produce a perfectly stigmatic image in the given wavelength at grazing angles of incidence. The grating surface comprises
Kastner, S. O.
core   +1 more source

Silver Ion‐Mediated [hk1]‐Oriented Sb2Se3 Crystal Growth for Efficient Photoelectrochemical Hydrogen Evolution

Advanced Functional Materials, EarlyView.
Ag+‐mediated hydrothermal crystal engineering promotes preferential [hk1]‐oriented growth of Sb2Se3 via an ultrathin MoOx interlayer, improving crystallinity and suppressing non‐radiative recombination. The optimized Ag+ treatment photocathode delivers 24.7 mA cm−2 at 0 VRHE and improved stability, revealing an ion‐modulated route to high‐performance ...
Ziying Zhang, Zhenbin Wang, Mirjana Dimitrievska, Miloš Baljozović, Yongping Gan, Pardis Adams, Sanghyun Bae, Thomas Moehl, Wenzhe Niu, Xiang jiu Guan, S. David Tilley   +10 more
wiley   +1 more source

Spectral characterization of third-order harmonic generation assisted by a two-dimensional plasma grating in air [PDF]

, 2013
Pengji Ding, Z. Y. Liu, Yanchao Shi, Shaohua Sun, X. L. Liu, Xiangling Wang, Zeqing Guo, Qingcao Liu, Yongqiang Li, Bitao Hu   +9 more
openalex   +1 more source

Influence of External Magnetic Field on Electromagnetically Induced Grating in a Degenerate Two-Level Atomic Medium

, 2023
Nguyen Huy Bang, Dinh Xuan Khoa, Le Van Doai   +2 more
openalex   +1 more source

A Programmable Semiconductor Containing Active Molecular Photoswitches Located in the Crystal's Volume Phase

Advanced Functional Materials, EarlyView.
A novel approach for the design of functional semiconductors is presented, which utilizes the excellent optoelectronic properties of layered hybrid perovskites and the possibility to introduce a molecular photoswitch as the organic spacer. This concept is successfully demonstrated on a coumarin‐based system with the possibility to change the bandgap ...
Oliver Treske, Yaşar Krysiak, Hans Tornatzky, Markus R. Wagner, Sebastian Polarz   +4 more
wiley   +1 more source

Multi-Peak Narrowband Perfect Absorber Based on the Strong Coupling Between Fabry–Perot Mode and SPP Waveguide Mode

Photonics
Plasmonic- or metamaterial-based multi-narrowband perfect absorbers hold significant potential applications in filtering, photodetection, and spectroscopic sensing.
Yusheng Zhai, Weiji He, Qian Chen
doaj   +1 more source

In-Situ Monitoring of Changes in Temperature and Microstrain During the Chemical Corrosion of Stone Cultural Relics by Fiber Bragg Gratings

, 2023
Huihua Wu, Linnan Kong, T. L. Chen, Quanhua Xie, Yang Liu, Xuefeng He, Yuan Zhou, Yang Liu, Bo Wan, Lei Wu, Yuanyuan He, Dong Lai, Nianbing Zhong   +12 more
openalex   +1 more source

Three‐Dimensional Hierarchical Nanowire‐Networks with Deep‐Focus Tolerance and Adhesion Robustness for Harsh‐Environment SERS Sensing

Advanced Functional Materials, EarlyView.
A 3D nanowire‐network SERS substrate with robust adhesion is developed, featuring pronounced z‐direction optical activity, ultralow detection limit (1.5 × 10−13 M), and excellent signal uniformity (RSD < 10%). Enabled by enhanced light scattering, increased optical density of states, and structural reinforcement, the substrate demonstrates stable, high‐
Jinglai Duan, Wentao Wang, Xiu Liang, Yongliang Zhang, Jie Liu, Yu Bai, Dangyuan Lei   +6 more
wiley   +1 more source

Gratefulness

MODELLI DELLA MENTE
"Gratefulness" &egrave; un testo pubblicato recentemente, uno dei pochi disponibili in italiano. Lungo un percorso di scoperta con esercizi e case studies si esplora l'integrazione possibile tra gratitudine e mindfulness. L'atteggiamento grato e la pratica meditativa possono, se coltivate, trasformare in meglio la vita delle persone e delle comunit&
openaire   +2 more sources

Scalable Thermal Engineering via Femtosecond Laser‐Direct‐Written Phononic Nanostructures

Advanced Functional Materials, EarlyView.
This study demonstrates that femtosecond laser‐induced periodic surface structures (fs‐LIPSS) can function as phononic metasurfaces, reducing thermal conductivity below the plain thin‐film limit. Phonon Monte Carlo analysis reveals that the periodic structures restrict phonon mean free paths.
Hiroki Hamma, Roman Anufriev, Kazuyoshi Fushinobu, Masahiro Nomura, Byunggi Kim   +4 more
wiley   +1 more source