Magneto-/electro-chromatic reflective color tunability is confirmed using hydrophobic surface modified magnetite nanoparticles. The optical reflective color spectra and color gamut demonstrate the promising applications in reflective displays.
As potential lighting-emitting devices, electrochemiluminescence (ECL) devices are promising in terms of device structure and fabrication and involve low processing cost compared to organic light-emitting devices (OLEDs).
In this article, we propose a compact cpw-fed ultra-wideband (UWB) antenna with dual band-notched characteristics. The dual band-notched are achieved by using two stepped impedance resonators.The measured results show that the proposed antenna has an impedance bandwidth from 2.97 to 10.7 GHz (113%), defined by VSWR<2, with two notched bands, covering all the WiMAX (3.3-3.6 GHz), WLAN (5.2-5.8 GHz), the antenna has a small size (20 3 20 3 1.6 mm 3 ), and almost stable omnidirectional radiation pattern. The proposed antenna is designed, simulated, fabricated, and tested, and the measured results are in good agreement with the simulations. V C 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58: [464][465][466][467] 2016; View this article online at wileyonlinelibrary.com.
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