Results 121 to 130 of about 24,215 (336)

High Entropy Wide‐Bandgap Borates with Broadband Luminescence and Large Nonlinear Optical properties

open access: yesAdvanced Functional Materials, EarlyView.
High‐entropy rare‐earth borates exhibit excellent nonlinear optical and broadband luminescence properties arising from multi‐component doping, chemical disorder, increased configurational entropy, and increased lattice and electronic anharmonicity. This formulation enabled us to obtain a large, environmentally stable single crystal with 3X higher laser‐
Saugata Sarker   +14 more
wiley   +1 more source

A Compact Dielectric Resonator Antenna Excited by a Planar Monopole Patch for Wideband Applications

open access: yesInternational Journal of Antennas and Propagation, 2016
A compact dielectric resonator antenna (DRA) suitable for wideband applications is presented in this paper. The proposed antenna is mainly composed by a notched cylindrical dielectric resonator (DR) coated with a metal surface on the top and a finite ...
Xuping Li   +4 more
doaj   +1 more source

Broadbeam Cylindrical Dielectric Resonator Antenna

open access: yesIEEE Access, 2019
A novel widebeam aperture-coupled cylindrical dielectric resonator antenna is proposed, which consists of multi-layered cylindrical ceramic disks joined together to achieve the required height.
Syeda H. H. Mashhadi   +2 more
doaj   +1 more source

Dual-Band Dielectric Resonator Antenna with Filtering Features for Microwave and Mm-Wave Applications. [PDF]

open access: yesMicromachines (Basel), 2023
Bizan MS   +5 more
europepmc   +1 more source

Sustainable Catalyst‐Free PLG Networks: Recyclability, Biodegradability, and Functional Performance

open access: yesAdvanced Functional Materials, EarlyView.
A catalyst‐additive free covalent adaptable network is developed from star‐shaped poly(lactide‐co‐glycolide) cross‐linked with pyromellitic dianhydride, enabling internal carboxylic acid‐driven transesterification. The resulting biodegradable network exhibits mechanical robustness (Young's modulus ≈1.6 GPa), complete recyclability, rapid biodegradation
Lars Schwarzer   +2 more
wiley   +1 more source

Design of Compact Planar Diplexer Based on Novel Spiral-Based Resonators [PDF]

open access: yes, 2012
A miniaturized planar diplexer utilizing the novel spiral-based resonators is proposed. The given cell which is initially proposed in this article is composed of two separated rectangular spirals which are asymmetrical to each other and thus, it is ...
Guang-Ming Wang   +3 more
core   +1 more source

Millimeter Wave All‐Around Antenna Based on Whispering Gallery Mode Dielectric Resonator for IoT‐Based Applications [PDF]

open access: hybrid, 2022
A. E. Kogut   +6 more
openalex   +1 more source

Efficient Charge Transport in Zero‐Dimensional Perovskite for Ultrahigh‐Sensitivity X‐Ray Detection

open access: yesAdvanced Functional Materials, EarlyView.
A novel mono‐octahedral 0D Bi‐based Dpy3Bi2I12 perovskite strengthens the internal hydrogen bonds and forms a quasi‐2D lattice, exhibits exceptional charge transport and mobility, achieving high X‐ray sensitivity and ultralow‐dose imaging, and setting a new benchmark for 0D detector performance.
Xin Song   +16 more
wiley   +1 more source

The design and fabrication of microstrip omnidirectional array antennas for aerospace applications [PDF]

open access: yes
A microstrip antenna design concept was developed that will provide quasi-omnidirectional radiation pattern characteristics about cylindrical and conical aerospace structures. L-band and S-band antenna arrays were designed, fabricated, and, in some cases,
Appleton, M. W.   +2 more
core   +1 more source

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