Dual-band multi-layer antenna array with circular polarization and gain enhancement for WLAN and X-band applications by Virdee, Bal Singh, Aribi, Tohid, Sedghi, Tohid

“…A Fabry–Pérot structure, strategically placed above the array, enhances gain in the WLAN band. …”
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Broad-band polarization-insensitive all-dielectric metalens enabled by intentional off-resonance waveguiding at mid-wave infrared by Tanriover, Ibrahim, Demir, Hilmi Volkan

“…Metasurfaces are promising candidates to take the place of conventional optical components as they enable wavefront engineering at sub- and near-wavelength distances along both lateral and vertical directions. …”
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In-band RCS reduction and isolation enhancement of a 24 GHz radar antenna using metamaterial absorber for sensing and automotive radar applications by Sharma, A., Dwari, S., Kanaujia, B.K., Gangwar, D., Kumar, S., Singh, Satya P., Lay-Ekuakille, A.

“…The proposed MA shows near unity normalized impedance at 24.1 GHz with 90% absorptivity bandwidth of 1 GHz. An array of MA is placed in between and around the transmit/receive antennas to suppress surface current and reduce in-band RCS of the radar sensor. …”
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Effect of blood flow restriction on leg extension exercise on post activation potentiation in countermovement jump performance/standing broad jump performance by Liew, Zen Yew

“…Participants were further randomized into 2 groups, one group performed the leg extension exercise with bands first, and the other without bands first. The BFR bands were placed with a perceived tightness of about 7 out of 10. …”
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Strong edge stress in molecularly thin organic-inorganic hybrid ruddlesden-popper perovskites and modulations of their edge electronic properties by Kripalani, Devesh Raju, Cai, Yongqing, Lou, Jun, Zhou, Kun

“…A clear downward shift of the bands at the narrower ribbons, as indicative of the edge effect, facilitates the separation of photoexcited carriers (electrons move toward the edge and holes move toward the interior part of the nanosheet). …”
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Human-Computer Interaction : Interaction Techniques and Novel Applications : Thematic Area, HCI 2021, Held as Part of the 23rd HCI International Conference, HCII 2021, Virtual Even... by International Conference on Human-Computer Interaction (23rd : 2021 : Online) 642922, Kurosu, Masaaki, 1948-, editor 573627

The golden bull : is it coming? (current prospects of gold trading) by Lim, Wee Beng, Lim, Daniel Chih Ming, Leong, Kum Hoe

“…Moreover, if such a comprehensive model does exist, it is questionable anyone would pen it in the first place.…”
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Sb2S3-based extremely thin absorber solar cell by Kang, Aik Meng

“…Semiconductor-sensitised nanoporous solar cells are a derivative of dye-sensitised solar cells (DSSC) where a solid-state semiconductor absorber is used in place of the molecular dye of DSSC. In particular, solid-state cells have been drawing much attention recently due to its high light-harvesting capability, tunable band gap over a wide range and a large intrinsic dipole moment. …”
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Topological phase transition induced by gain and loss in a photonic Chern insulator by Teo, Hau Tian, Xue, Haoran, Zhang, Baile

“…We present a design of a non-Hermitian photonic Chern insulator whose band topology can be tuned via gain and loss. It is found that, by continuously varying the gain and loss parameter, a topological phase transition can take place in the photonic crystal, accompanied by the closing and reopening of a Dirac cone. …”
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Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO-Virgo data by Sudhir, Vivishek

“…Compelling evidence for the presence of a numerous population of neutron stars has been reported in the literature, turning this region into a very interesting place to look for CWs. In this search, data from the full O3 LIGO-Virgo run in the detector frequency band [ 10 , 2000 ]     Hz have been used. …”
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Interaction of longitudinal phonons with discrete breather in strained graphene by Evazzade, Iman, Roknabadi, Mahmood Rezaee, Mohammad Behdani, Moosavi, Fatemeh, Xiong, Daxing, Zhou, Kun, Dmitriev, Sergey V.

“…It is found that, for the longitudinal sound waves having frequencies below 6 THz, DB is transparent and thus no radiation of energy from DB takes place; whereas for those sound waves with higher frequencies within the acoustic (optical) phonon band, phonon is mainly transmitted (reflected) by DB, and concomitantly, DB radiates its energy when interacting with phonons. …”
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Functionalization of g-C3N4 for efficient solar fuels production by Koh, Chin Sing

“…Hydrogen can be moved intramolecularly from hydrogen donor to acceptor in terms of hydride, or proton, after which cyclisation will take place to furnish the cyclic products in developments featuring high atom economy. …”
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All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data by Sudhir, Vivishek

“…Four different analysis methods are used to search in a gravitational-wave frequency band from 10 to 2048 Hz and a first frequency derivative from − 10 − 8 to 10 − 9     Hz / s . …”
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Circularly polarized antennas and phased arrays for 5G applications by Hu, Yiyun

“…The 4×4 beam scanning array adopts a similar feeding network as the 2×2 sub-array and the 1×4 antenna group placed along the phi=90° axis is used as the unit for beam scanning. …”
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Wideband circularly polarized metasurface backed aperture antenna by Agarwal, Kush

“…The unidirectional circularly polarized radiation has been achieved using a 00 reflection phase metasurface in place of conventionally used planar metal reflector. …”
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Synthesis of crystalline chalcogenide arsenates in surfactants via a low temperature route by Eashwer Umesh Athresh

“…The crystals exhibit semi conductor behaviour, with band gaps of 1.91eV to 2.46eV, which corresponds to the colour of the crystals. …”
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Optical and optoelectronic properties of Si nanocrystals embedded in dielectric matrix by Ding, Liang

“…However, the size-dependent PL could not originate from the direct band to band transition of nc-Si. Based on the knowledge of band structure of nc-Si obtained in this work, the size-dependent PL band could be attributed to the indirect band-to-band transition of the nc-Si assisted by the Si-O vibration at the interface of nc-Si/SiO2. …”
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Compact quad-element vertically-polarized high-isolation wideband mimo antenna for vehicular base station by Wang, Wensong, Zhao, Zhenyu, Sun, Quqin, Liao, Xinqin, Fang, Zhongyuan, See, Kye Yak, Zheng, Yuanjin

“…The design consists of four identical vertically-polarized monopole-based antenna elements, which are symmetrical about the central axis and are placed 90 degrees apart from each other. The wideband and decoupling features are theoretically analyzed and experimentally demonstrated. …”
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Indoor positioning system for manufacturing and logistics by Teo, Kok Chun

“…Using Decawave Modules to aid in this study, they will be places around in a indoor environment to see its precision and by adding in Kalman Filter increasing the precision of the tag to as close as possible to the actual movement of the tag. …”
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Development of an RF positioning system by Rege, Laukik Jayesh

“…Ironically, GNSS positioning becomes unreliable in urban canyons, i.e., places where there is a lot of urban infrastructure. …”
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