Results 161 to 170 of about 11,806 (297)

Synthetic Expansion of Blood Dielectric Spectra at Microwave Frequencies Using Data-Driven Methods. [PDF]

Sensors (Basel)
Alhummada I, Bialkowski A, Guo L, Villena Gonzales W, Deriche M, Abbosh A.   +5 more
europepmc   +1 more source

Coupled resonators based on high permittivity dielectrics for microwave sensors

The use of high-quality factor resonators is of undoubted interest for high-precision measurements and for applications in quantum technologies. Novel types of microwave sensors can be realized by coupling a first resonator acting as a stable frequency ...
Gatti, Claudio, Zadeh, Shahnam Gorgi, Tocci, Simone, Ghirri, Alberto, Cassinese, Antonio, Pagano, Sergio   +5 more
core  

Photonic Time Crystals and Time‐Varying Electromagnetic Metamatter: A New Direction for Ultrafast Tunable Photonic and Microwave Materials and Devices

Advanced Science, EarlyView.
Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Ranjan Kumar Patel, Shriram Ramanathan, Ronald P. Jenkins, Michael J. Carter   +3 more
wiley   +1 more source

Contactless Microwave-Based Estimation of Complex Permittivity of Masonry Materials: A Frequency-Domain Approach. [PDF]

Sensors (Basel)
Szczepaniak Z, Juszczyński P, Susek W, Tabiś K, Suchorab Z.   +4 more
europepmc   +1 more source

Phase Diagrams and Piezoelectric Properties of Wurtzite Al1−x−yScxGdyN Heterostructural Alloys

Advanced Science, EarlyView.
This study demonstrates ferroelectricity and piezoelectric properties improvement of quaternary wurtzite Al1−x−yScxGdyN${\rm Al}_{1-x-y}{\rm Sc}_x{\rm Gd}_y{\rm N}$ films, guided by density functional theory calculations. Wurtzite Al1−x−yScxGdyN${\rm Al}_{1-x-y}{\rm Sc}_x{\rm Gd}_y{\rm N}$ films have a high optical bandgap, enhanced piezoelectric ...
Julia L. Martin, Cheng‐Wei Lee, Nate S.P. Bernstein, Thi Nguyen, Ande Bryan, Eli Cooper, John S. Mangum, Sage R. Bauers, Andriy Zakutayev, Keisuke Yazawa, Prashun Gorai, Rebecca W. Smaha   +11 more
wiley   +1 more source

StratGAN: Conditional Adversarial Network for Permittivity Inversion of Borehole Radar Data in Stratified Media. [PDF]

Sensors (Basel)
Qing S, Yang D, Persico R, Guo C, Hu C, Huo J, Tong J, Liang J, Zhao Q.   +8 more
europepmc   +1 more source

Wavy‐Interlocked Stretchable Triboelectric Nanogenerators Enhanced by Liquid Metal Microflowers for Self‐Powered Wearable Motion Monitoring

Advanced Science, EarlyView.
Schematic showing a stretchable triboelectric nanogenerator based on interlocked wavy architectures that uses EGaIn microflower‐embedded PVDF‐TrFE and Nylon‐6 nanofiber membranes. The multi‐petaled, electron‐rich EGaIn microflowers enhance interfacial polarization and capacitance, while the interlocked wavy architecture enlarges the effective contact ...
Qianqian Xu, Huimin Li, Hanmin Zeng, Yahui Meng, Yimeng He, Xinke Hu, Senfeng Zhao, Jianxun Zhang, Peiqiong Zhou, Kechao Zhou, Dou Zhang, Chris Bowen, Yan Zhang   +12 more
wiley   +1 more source

Smart Bandage Based on Batteryless NFC for Wireless Pressure and Wound State Monitoring. [PDF]

Biosensors (Basel)
Cujilema M, Villarino R, Girbau D, Lazaro A.   +3 more
europepmc   +1 more source

Polymorphic Superparaelectric Engineering Boosting Energy Storage Capacity in BaTiO3‐Based Ceramics

Advanced Science, EarlyView.
Herein, Ca2+ incorporation promotes the coexistence of CaTiO3‐/BaTiO3‐derived paraferroelectric states, stabilizing cubic‐orthorhombic‐tetragonal polymorphic superparaelectric phases. This minimizes polarization energy barriers, facilitating full polarization saturation without compromising efficiency.
Pan Liu, Xiang Ren, Jin Qian, Haihua Huang, Peng Li, Peng Fu, Jigong Hao, Huarong Zeng, Wei Li, Zhenxiang Cheng   +9 more
wiley   +1 more source

Frequency Dependence of Microwave Permeability in Composite Materials Filled with Gadolinium Particles: Effects of Temperature and Filler Fraction. [PDF]

Sensors (Basel)
Komarov IV, Buznikov NA, Maklakov SS, Starostenko SN, Lomaeva SF, Kurlyandskaya GV.   +5 more
europepmc   +1 more source