Results 91 to 100 of about 5,766 (246)

Influence of Primary Coma on the Tightly Focusing Characteristics of Circular Basis Hybrid Order Poincaré Sphere Beams

Photonics
Analogous to the Poincaré sphere, a hybrid order Poincaré sphere is used to represent the ellipse field singularities (C-points). We study the tight focusing properties of generic bright and dark hybrid order Poincaré sphere beams in the presence of ...
Sushanta Kumar Pal, Rakesh Kumar Singh, Paramasivam Senthilkumaran   +2 more
doaj   +1 more source

Effect of Optical Illumination on Bubble Nanodomains

Advanced Functional Materials, EarlyView.
Stable surface‐confined nanoscale bubble domains are created and manipulated in PMN‐PT single crystals. Under above‐bandgap illumination, these bubble nanodomains remain unchanged. However, upon illumination cessation, they rapidly expand to switch the entire crystal surface, due to the accumulation of a large reservoir of electrons at the crystal ...
Haoze Zhang, Anju Ahlawat, Richard F. Webster, Yunlong Sun, Dinesh Shukla, Danyang Wang, Jan Seidel, Alexei Gruverman, Pankaj Sharma   +8 more
wiley   +1 more source

Programmable 2D Magnetic Clusterphenes With High Curie Temperature and Strong Magnetic Anisotropy via Cluster Assembly and Ligand Synergy

Advanced Functional Materials, EarlyView.
Programmable 2D magnetic clusterphenes are realized through a ligand‐mediated cluster‐assembly strategy. Direct linking of magnetic superatomic clusters enhances electron delocalization and symmetry breaking, enabling the concurrent strengthening of magnetic exchange interactions and spin–orbit coupling.
Junxiang Fu, Zhuohang Fang, Haidi Wang, Ye Yang, Weiduo Zhu, Weiwei Chen, Yu Zhang, Haixiao Xiao, Zhao Chen, Hongyan Lv, Xiaofeng Liu, Xiangyang Li, Xiao Cheng Zeng, Zhongjun Li   +13 more
wiley   +1 more source

Giant Electrostriction in Halide Perovskites Revisited With Double‐Modulation Interferometry

Advanced Functional Materials, EarlyView.
A giant electrostrictive effect in lead halide perovskites had been reported previously. This work uses sensitive interferometry to measure the electromechanical response of various halide perovskite samples. The results reveal no intrinsic electrostrictive compression. Instead, the materials expand primarily under an applied electric field as a result
Philipp Ramming, Markus Griesbach, Ralf Moos, Lothar Kador, Anna Köhler   +4 more
wiley   +1 more source

Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms

Advanced Photonics Research
Patterns composed of micron‐sized surface structures can abruptly change the properties of an optical wave front, including its phase, amplitude, polarization, and dispersion.
Myungkoo Kang, Brandon M. Triplett, Mikhail Y. Shalaginov, Skylar Deckoff-Jones, Cesar Blanco, Mia Truman, Elena Shirshneva-Vashchenko, Justin Cook, Qingyang Du, Tushar S. Karnik, Cosmin-Constantin Popescu, Anna Zachariou, Yifei Zhang, Casey M. Schwarz, Sensong An, Clayton Fowler, Hualiang Zhang, Ivan Divliansky, Leonid B. Glebov, Martin C. Richardson, Anuradha M. Agarwal, Clara Rivero-Baleine, Juejun Hu, Tian Gu, Kathleen A. Richardson   +24 more
doaj   +1 more source

A Review of Cascaded Metasurfaces for Advanced Integrated Devices

Micromachines
This paper reviews the field of cascaded metasurfaces, which are advanced optical devices formed by stacking or serially arranging multiple metasurface layers. These structures leverage near-field and far-field electromagnetic (EM) coupling mechanisms to
Lingyun Zhang, Zeyu Zhao, Leying Tao, Yixiao Wang, Chi Zhang, Jianing Yang, Yongqiang Jiang, Huiqi Duan, Xiaoguang Zhao, Shaolong Chen, Zilun Wang   +10 more
doaj   +1 more source

Mechanistic Control of C─H Bond Activation and C─C Coupling in Light‐Driven Methane Conversion to C2+ Products over Multifunctional Photocatalysts

Advanced Functional Materials, EarlyView.
Methane photocatalytic activation under mild conditions remains a formidable challenge in the synthesis of solar fuels. In this review, we emphasize the growing importance of multifunctional materials and hybrid systems within a unified mechanistic framework that integrates selective C─H bond activation, formation and control of intermediates, C─C ...
Di Hu, Yuheng Jiang, Vitaly V. Ordomsky, Bastian Mei, Zhiyong Tang, Andrei Y. Khodakov   +5 more
wiley   +1 more source

Experimental demonstration of optical activity and phonon chirality in orthorhombic van der Waals group-IV monochalcogenides

Nano Research
The chiral behavior of phonons has been verified in achiral van der Waals (vdW) layered hexagonal lattices but lacks of experimental evidences in achiral orthorhombic materials like vdW-layered MX (M = Ge, Sn; X = Se, S).
Rui Ge, Yilun Yu, Rong Jin, Shuai Yang, Fengrui Sui, Beituo Liu, Jiawen Dai, Ruijuan Qi, Fangyu Yue   +8 more
doaj   +1 more source

Impact of Disorder on Microscopic Superconducting and Normal‐State Responses in a Kagome Metal

Advanced Functional Materials, EarlyView.
Using depth‐resolved, field‐ and pressure‐dependent μSR$\umu{\rm SR}$ measurements, we show that disorder in Ta‐doped KV3Sb5 drives a crossover from nodal to nodeless superconductivity while strongly modifying the normal‐state magnetic response. Our results reveal that disorder affects superconductivity and magnetism in fundamentally different ways ...
J. N. Graham, S. S. Islam, G. Janka, A. Doll, P. Král, O. Gerguri, J. A. Krieger, T. J. Hicken, X. Xu, X. Yan, H. Qin, Z. Salman, A. Suter, T. Prokscha, R. Thomale, H. Luetkens, R. Khasanov, J.‐X. Yin, Z. Guguchia   +18 more
wiley   +1 more source

Nanoscale Spatial Tuning of Superconductivity in Cuprate Thin Films via Direct Laser Writing

Advanced Functional Materials, EarlyView.
Maskless direct laser writing enables local control of oxygen stoichiometry in epitaxial YBCO thin films under ambient conditions. Sub‐micrometer grayscale patterns with tunable optical response and superconducting transport properties are achieved.
Irene Biancardi, Valerio Levati, Jordi Alcalà, Thomas Günkel, Nicolas Lejeune, Riccardo Girelli, Alejandro V. Silhanek, Valeria Russo, Narcís Mestres, Daniela Petti, Anna Palau, Edoardo Albisetti   +11 more
wiley   +1 more source