Results 101 to 110 of about 664,413 (294)

Periodic crack-model of comb transducers: excitation of interface waves

Archives of Acoustics, 2000
A model for a comb transducer is proposed and analyzed. It is shown that interface waves are generated in the comb-sample contact area. The interface waves are leaky waves that transport acoustic energy along the interface towards the comb edges, where ...
E. DANICKI
doaj  

Defect‐Templated Phase Engineering in Atomically Thin Metals

Advanced Materials, EarlyView.
Graphene defects are transformed from passive imperfections into programmable templates for phase‐selective growth of atomically thin silver. Plasma‐generated boundary defects favor Ag(1), whereas sp3‐rich zero‐layer graphene promotes Ag(2). This defect‐directed intercalation links local graphene chemistry to crystalline phase, electronic structure ...
Arpit Jain, Boyang Zheng, Sawani Datta, Kanchan Ulman, Jakob Henz, Matthew Wei‐Jun Liu, Van Dong Pham, Wen He, Chengye Dong, Li‐Syuan Lu, Alexander Vera, Nader Sawtarie, Wesley Auker, Ke Wang, Bob Hengstebeck, Zachary W. Henshaw, Shreya Mathela, Maxwell Wetherington, William H. Blades, Kenneth Knappenberger, Ursula Wurstbauer, Su Ying Quek, Ulrich Starke, Shengxi Huang, Vincent H. Crespi, Joshua A. Robinson   +25 more
wiley   +1 more source

A Generalized Dispersion Equation Combining Coupled Modes, Parity-Time Symmetry, and Leaky Waves Describing Non-Decaying Leaky Surface Waves [PDF]

A generalized dispersion equation is derived featuring coupled mode theory, parity-time symmetry, and leaky wave antennas of arbitrary periodic modulation.
Abbaszadeh, Afshin, Budhu, Jordan
core   +1 more source

Wideband Modal Analysis of a Double-Layer Line-Wave Waveguide: Dispersive Properties and Radiative Effects

IEEE Open Journal of Antennas and Propagation
A broadband modal analysis of a double-layer line-wave waveguide constituted by two center-symmetric pairs of inductive and capacitive metasurfaces is presented, with the aim of characterizing the dispersive and radiative properties of the relevant line ...
Mikhail Madji, Paolo Baccarelli, Alessio Monti, Alessandro Toscano, Filiberto Bilotti, Paolo Burghignoli   +5 more
doaj   +1 more source

Extreme Bond Ionicity in Mg─Te Chalcogenides for Ultrathin Low Voltage Selector‐Only Memory beyond the Leakage Scaling Limit

Advanced Materials, EarlyView.
Mg─Te chalcogenides address the leakage scaling trade‐off in ultrathin selector‐only memory. Structural partitioning in multiphase Mg─Te, combined with highly ionic Mg─Te bonding and Hf interfacial engineering, supports reliable 5 nm thickness operation at low write voltage with suppressed leakage current, narrow threshold voltage distributions, 10 ns ...
Yoori Seo, Dongmin Kim, Yu Bin Park, Jangseop Lee, Tae Hoon Lee, Hyunsang Hwang   +5 more
wiley   +1 more source

Advanced Materials for Biologics Delivery to Brain Tumors

Advanced Materials, EarlyView.
Material innovation is central to unlocking the therapeutic potential of biologics against many central nervous system diseases, including brain cancer. By engineering carriers with controlled transport, targeting, and release properties, advanced materials can overcome the blood–brain barrier and tumor microenvironment, improving the delivery of ...
Yuran Feng, Yuxue Cao, Maria Kavallaris, Taskeen Janjua, Amirali Popat   +4 more
wiley   +1 more source

Efficient Wireless Near-Field Links Between Bessel-Beam Launchers

IEEE Open Journal of Antennas and Propagation
The focused nature of Bessel beams allows for secure and efficient wireless links in the near-field region. Still, at millimeter waves, few studies analyze the transmission efficiency between devices in a systematic way. In addition, present studies only
Luca del Biondo, Edoardo Negri, Mauro Ettorre, Alessandro Galli, Paolo Burghignoli, Walter Fuscaldo   +5 more
doaj   +1 more source

High-frequency leaky standing sausage and kink mode waves in magnetic slab [PDF]

The theoretical framework for analyzing wave and oscillatory behavior in the structured solar corona using slab geometry, where space is filled with uniform low-b plasma, is considered as one of the prominent models for a number of magnetic structures ...
Singh, S., Kumar, A., Pandey, V.S., Erdelyi, R., Verma, P.   +4 more
core   +1 more source

Toward Pore‐Engineered 3D‐Printed Materials for Sorption Water Harvesting, Interfacial Evaporation, and Radiative Cooling

Advanced Materials, EarlyView.
Water harvesting, radiative cooling, and interfacial solar evaporation are fundamentally governed by coupled heat, mass, and light transport processes. These processes are mediated by pore architecture, including pore size, connectivity, and hierarchical organization.
Dejan J. Trajkovski, Higgins M. Wilson, Abdallah Y. M. Ali, Jiaxing Xu, Ruzhu Wang, Primož Poredoš   +5 more
wiley   +1 more source

Wavelength‐ and Helicity‐Reconfigurable Circularly Polarized Optical Diodes Enabled by Molecular Photoswitches

Advanced Materials, EarlyView.
All‐optical, photoswitchable diode‐type device for tunable nonreciprocal (asymmetric) transmission of CPL across a broad spectrum of light is demonstrated using molecular motor (photoswitch)‐doped cholesteric liquid crystals (CLCs) sandwiched between polyvinyl alcohol (PVA) and polydopamine (PDA)‐PVA composite layers.
Chaoguang Ye, Ming Yuan, Jiaxin Liu, Wei Zhou, Changsheng Wu, Zhenyu Zhou, Chaoying Zhu, Xiao‐Fang Jiang, Jiawen Chen, Lakshminarayana Polavarapu, Guofu Zhou, Xiaowen Hu   +11 more
wiley   +1 more source