Ultra‐high‐frequency wideband circularly polarized crossed‐dipole antenna with wide axial‐ratio beamwidths for SATCOM applications
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31992
Abstract: In this study, an ultra-high-frequency (UHF) wideband circularly polarized (CP) crossed-dipole antenna with wide axial-ratio beamwidth (ARBW) is proposed for SATCOM applications. The antenna is composed of two pairs of dipoles with umbrella-shaped arms, and… read more here.
Keywords: high frequency; circularly polarized; dipole; ultra high ... See more keywords
Decoupled multi‐input multi‐output antennas with a common dipole for wideband 5G laptop computers
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32736
Abstract: Two decoupled antennas, comprising two feeding monopoles and one dipole shared by the monopoles, for the fifth‐generation (5G) multi‐input multi‐output (MIMO) applications are proposed. The feeding monopoles are placed on both sides of the coupled‐fed,… read more here.
Keywords: dipole; common dipole; multi input; multi output ... See more keywords
A novel wideband dual‐polarized heptagonal magnetoelectric dipole antenna loaded with inverted L‐shaped structures
Sign Up to like & getrecommendations! Published in 2023 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.33709
Abstract: A novel dual linearly‐polarized magnetoelectric (ME) dipole antenna with wide bandwidth is presented in this letter, where two orthogonally placed Г probes are utilized to realize dual polarizations. In particular, four heptagonal patches are first… read more here.
Keywords: dipole antenna; novel wideband; inverted shaped; magnetoelectric dipole ... See more keywords
Dipole Mode of Trapped Bose–Fermi Mixture Gas
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-019-02334-z
Abstract: We investigate dipole modes in a trapped Bose--Fermi mixture gas in the normal phase, composed of single-species bosons and single-species fermions with $s$-wave scattering. In the extremely low temperature regime, Bose--Einstein statistics and Fermi--Dirac statistics… read more here.
Keywords: mixture gas; trapped bose; fermi mixture; dipole ... See more keywords
Optical Resonant Saturation of Dipole–Dipole Broadened Transitions in High-Density Atomic Vapor
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Russian Laser Research"
DOI: 10.1007/s10946-021-09976-z
Abstract: We discuss the experimental research of an optical resonant saturation of a dipole–dipole-broadened atomic transition in the high-density rubidium vapor. The dipole–dipole width of the selected transition 5S1/2 −5P3/2 is estimated as 2π・8.8 GHz; it… read more here.
Keywords: resonant saturation; dipole dipole; saturation dipole; dipole ... See more keywords
Justification of dipole mechanism over chemical charge transfer mechanism for dipole-based SERS platform with excellent chemical sensing performance
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.146426
Abstract: Abstract Molecular-dipole-induced surface-enhanced Raman scattering (SERS) has attracted a lot of attention due to its high sensitivity without the need for noble metals. However, its main mechanisms are still unclear. In this work, functional-group-rich graphene… read more here.
Keywords: chemical sensing; mechanism; sers platform; dipole ... See more keywords
The vector potential of a point magnetic dipole
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.04.012
Abstract: Abstract The retarded vector potential of a point magnetic dipole possessing an arbitrary time dependence and undergoing an accelerated relativistic motion is derived. A novel expression for the angular distribution of the radiated power of… read more here.
Keywords: magnetic dipole; point magnetic; dipole; potential point ... See more keywords
Energy levels, transition dipole moment, transition probabilities and radiative lifetimes for low-lying electronic states of PN
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quantitative Spectroscopy and Radiative Transfer"
DOI: 10.1016/j.jqsrt.2019.02.002
Abstract: Abstract The valence internally contracted multireference configuration-interaction (icMRCI) method is used to compute potential energy curves (PECs) of the X1Σ+, A1Π, C1Σ−, D1Δ, 21Π, a3Σ+, b3Π, d3Δ, e3Σ−, 23Δ, 23Σ−, 15Σ+ and 15Π states for… read more here.
Keywords: radiative lifetimes; einstein coefficients; dipole; energy ... See more keywords
Metal- and oxide-related hydrogen-induced dipoles at the Pt/HfO2 interface
Sign Up to like & getrecommendations! Published in 2017 at "Microelectronic Engineering"
DOI: 10.1016/j.mee.2017.05.051
Abstract: Such technologically abundant agent as hydrogen has a strong effect on the metal/oxide interface energy barrier. Internal photoemission analysis of electron barrier height variations at Pt/HfO2 interfaces caused by annealing in hydrogen reveals the formation… read more here.
Keywords: hydrogen; dipole; metal oxide; hfo2 interface ... See more keywords
Impact of surface dipole in NiOx on the crystallization and photovoltaic performance of organometal halide perovskite solar cells
Sign Up to like & getrecommendations! Published in 2019 at "Nano Energy"
DOI: 10.1016/j.nanoen.2019.05.004
Abstract: Abstract Despite the success of solution processed nickel oxide (s-NiOx) as the hole transporting layer (HTL) in organic solar cells, applying s-NiOx in perovskite solar cells (PVSCs) is not that straight forward. The reported power… read more here.
Keywords: surface dipole; dipole niox; spectroscopy; dipole ... See more keywords
On equatorially symmetric and antisymmetric geomagnetic secular variation timescales
Sign Up to like & getrecommendations! Published in 2017 at "Physics of the Earth and Planetary Interiors"
DOI: 10.1016/j.pepi.2017.04.009
Abstract: Abstract It has been suggested that the secular variation (SV) timescales of the geomagnetic field vary as 1 / l (where l is the spherical harmonic degree), except for the dipole. Here we propose that… read more here.
Keywords: variation timescales; field; symmetric antisymmetric; dipole ... See more keywords