Results 51 to 60 of about 18,544 (267)

Experimental Study of Electrophoretic Deposited Carbon Nanotubes on Microstrip Transmission Line Resonators and Filters [PDF]

open access: yes, 2013
The electrical properties of single-walled carbon nanotube electrophoreses deposition on different types of gold-plated microstrip devices are investigated.
Diniz, E., Sinha, S., Stander, T.
core   +1 more source

Improvement of dielectric loss of doped Ba0.5Sr0.5TiO3 thin films for tunable microwave devices [PDF]

open access: yes, 2003
Al2O3-Ba0.5Sr0.5TiO3 (Al2O3-BST) thin films, with different Al2O3 contents, were deposited on (100) LaAlO3 substrate by pulsed laser deposition (PLD) technique.
C. K. Ong   +10 more
core   +2 more sources

Liquid Metals in Radio Frequency Applications: A Review of Physics, Manufacturing, and Emerging Technologies

open access: yesAdvanced Electronic Materials, EarlyView.
This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley   +1 more source

Superconducting Tunable Microstrip Gap Resonators Using Low Stress RF MEMS Fabrication Process

open access: yesIEEE Journal of the Electron Devices Society, 2017
A Nb superconducting tunable microstrip gap resonator has been designed and fabricated with low stress Au RF MEMS dc-contact switches. The resonator can be tuned in four states from 12-15 GHz.
Robert R. Benoit, N. Scott Barker
doaj   +1 more source

Design and Simulation of Microstrip Bandpass Filter with Regular Slots [PDF]

open access: yesEngineering and Technology Journal, 2017
This paper presents new microstrip slotted patch resonator bandpass filter with two transmission zeros of output frequency response around design frequency.
D.A. Hammood
doaj   +1 more source

Recent Advances in Programmable Metasurfaces and Meta‐Devices

open access: yesAdvanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao   +4 more
wiley   +1 more source

A fundamental limit on the performance of geometrically-tuned planar resonators [PDF]

open access: yes, 2011
Geometric frequency tuning in planar electromagnetic resonators is common in many applications. It comes, however, at a penalty in the resonance quality, Q0. The literature traces the causes of such penalty often in terms of the shortcomings in the added
Beach, MA, Morris, KA, Naji, A, Warr, PA
core   +2 more sources

A Review of Black Phosphorus‐Based Materials: From Preparation Strategies to Characterization Techniques

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The structure, properties, preparation methods, and characterization techniques of BP. As a typical 2D layered material, black phosphorus (BP) demonstrates exceptional promise in various fields, particularly in energy storage for alkali metal‐ion batteries. However, its distinctive structure and properties, together with the compositional complexity of
Yunqing Wang   +7 more
wiley   +1 more source

THE INFLUENCE OF A CIRCULAR-PATCH MONOPOLE ANTENNAS EXCITATION METHOD ON THEIR INTEGRAL CHARACTERISTICS

open access: yesRadio Physics and Radio Astronomy, 2018
Purpose: The question of the influence of modes of excitation of disk monopole antennas of microstrip topology on the antenna general properties is considered.
S. A. Pogarsky   +3 more
doaj   +1 more source

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