Search of the early O3 LIGO data for continuous gravitational waves from the Cassiopeia A and Vela Jr. supernova remnants by Sudhir, Vivishek

“…No gravitational wave signal is detected in the search band of 20--976 Hz for assumed source ages greater than 300 years for Cas A and greater than 700 years for Vela Jr. …”
Get full text

Transition metal doped apatites as inert non-toxic pigments by Seah, Jasmine Si Han

“…The evidences include the increasing lattice parameters of the crystal structure, decreasing intensity bands attributed to the libration modes of the OH molecules, which was identified using FTIR, together with the decreasing weight percentage of O in the materials with an increasing amount of copper present in the compound. …”
Get full text

Radiometer Calibration Using Colocated GPS Radio Occultation Measurements by Cahoy, K. L., Blackwell, W. J., Bishop, R., Cohen, B., Crail, C., Cucurull, L., Dave, P., DiLiberto, M., Erickson, N., Fish, C., Ho, S. P., Leslie, R. V., Milstein, A. B., Osaretin, I. A.

“…Performance analyses show that absolute calibration accuracy better than 0.25 K is achievable for temperature sounding channels in the 50-60-GHz band for a total-power radiometer using a weakly coupled noise diode for frequent calibration and proximal GPSRO measurements for infrequent (approximately daily) calibration. …”
Get full text

Role of ex-situ HfO2 passivation to improve device performance and suppress X-ray-induced degradation characteristics of in-situ Si3N4/AlN/GaN MIS-HEMTs by Dalapati, Pradip, Li, Hanchao, Arulkumaran, Subramaniam, Ng, Geok Ing

“…Furthermore, due to the generation of chemical vacancies under X-ray, a band tail near the edge of valence band maximum in Si3N4 and HfO2 films can be created. …”
Get full text

End-fire surface wave antenna with metasurface coating by Wang, Ping, Shen, Zhongxiang

“…Good radiation pattern and high gain are achieved over a wide frequency band.…”
Get full text
Get full text

Laser Beacon Tracking for High-Accuracy Attitude Determination by Nguyen, Tam, Cahoy, Kerri

Get full text

LKAW: a robust watermarking method based on large kernel convolution and adaptive weight assignment by Zhang, Xiaorui, Jiang, Rui, Sun, Wei, Song, Aiguo, Wei, Xindong, Meng, Ruohan

“…Further, a high-frequency wavelet loss is proposed, by which the watermarking is restricted to only the low-frequency wavelet sub-bands, thereby enhancing the robustness of watermarking against image compression. …”
Get full text

Strong electron–phonon coupling in magic-angle twisted bilayer graphene by Chen, C, Nuckolls, KP, Ding, S, Miao, W, Wong, D, Oh, M, Lee, RL, He, S, Peng, C, Pei, D, Li, Y, Hao, C, Yan, H, Xiao, H, Gao, H, Li, Q, Zhang, S, Liu, J, He, L, Watanabe, K, Taniguchi, T, Jozwiak, C, Bostwick, A, Rotenberg, E, Chen, Y

“…Calculations suggest that the formation of these flat-band replicas in superconducting MATBG are attributed to the strong coupling between flat-band electrons and an optical phonon mode at the graphene K point, facilitated by intervalley scattering. …”

Thin 3-D bandpass frequency-selective structure based on folded substrate for conformal radome applications by Omar, Ahmed Abdelmottaleb, Shen, Zhongxiang

“…By integrating one more substrate with a different dielectric constant, dual-band thin structure is achieved. One structure with a five-layer folded substrate is designed, fabricated, and measured using the parallel-plate waveguide measurement setup. …”
Get full text

Fabrication and application of novel highly ordered nano-heterostructure arrays in optoelectronics by Yadian, Boluo

“…Meanwhile, Ag2S with a narrow band gap enables more efficient absorption of incident light and faster separation of photogenerated electron-hole pairs. …”
Get full text

Effective image synthesis for effective deep neural network training by Cui, Kaiwen

“…The proposed LDA works in spectral space that allows explicit access and manipulation of each image spectrum and accordingly enables direct attack of the easy-to-discriminate image spectra. …”
Get full text

Partial purification and characterization of molybdenum reducing enzyme from Escherichia coli strain K12 by Sulaiman, Mohd Haris

“…Partial purification and characterization were conducted on molybdenum reducing enzyme with anion exchange chromatography using GE-Healthcare Mono-QTM column and gel filtration chromatography using Agilent ZorbaxTM (GF-250) column. Two bands were visualized on the gel filtration fraction at 95.64 and 84.42 kDa using SDS polyacrylamide-gel electrophoresis (SDS-PAGE). …”
Get full text

Experimental observation of optical Weyl points and Fermi arc-like surface states by Chong, Yi Dong, Chen, Kevin P., Rechtsman, Mikael C., Noh, Jiho, Huang, Sheng, Leykam, Daniel

“…Weyl fermions are hypothetical two-component massless relativistic particles in three-dimensional (3D) space, proposed by Hermann Weyl in 1929. Their band-crossing points, called ‘Weyl points’, carry a topological charge and are therefore highly robust. …”
Get full text
Get full text

Comparison of Finite Element Methods and Satellite InSAR for Monitoring Deformations of a Large Tailings Dam by Fetell, Robert Henry

Get full text

Higher-order Dirac semimetal in a photonic crystal by Wang, Zihao, Liu, Dongjue, Teo, Hau Tian, Wang, Qiang, Xue, Haoran, Zhang, Baile

“…Numerical results on the band structure show that the designed three-dimensional photonic crystal is able to host two fourfold Dirac points, which are connected in the momentum-space projections via higher-order hinge states localized at the hinge. …”
Get full text

TEM image simulation of silicon carbide using multislice technique by Saw, Ann Nee.

“…CTF plot is consider optimal when it remains almost constant close to -1, it indicates broad band of good transmittance. The intensity graph is plotted to determine the optimal thickness of crystal sample for HRTEM image. …”
Get full text

Design of optical building blocks for photonic integration by Chin, Mee Koy.

“…This non-overlapping property can be used to realize the "near-ideal" filter with flat and sharp passband, negligible sidelobes in the stop bands, and linear phase response over 80% of the passband. …”
Get full text

Recent progress on transition metal diselenides from formation and modification to applications by Zhao, Yuhan, Yan, Yibo, Lee, Jong-Min

“…For instance, transition metal diselenides (e.g., MoSe2) have a more stable 1T phase, larger interlayer spacing, smaller band gap, and more obvious metallic property of Se than TMDCs (e.g., MoS2). …”
Get full text

Discrete geodesic graphs by Fang, Zheng

“…It extends a method which approximates the intrinsic distance with the Euclidean distance in an offset band but allows user to control the error convergence rate and performs the geodesic computation in a Dijkstra-like sweep. …”
Get full text
Get full text

Innovative UWB phase shifters using groove gap-waveguide technology inspired by metasurfaces for beamforming networks operating at 100 GHz by Alibakhshikenari, Mohammad, Zidour, Ali, Virdee, Bal Singh, Kouhalvandi, Lida, Shahid, Saleem, See, Chan Hwang, Limiti, Ernesto

“…The metasurface features a "bed-of-nails" structure, where metal pins are connected to a bottom layer and spaced <λ/4 from a top plate. This configuration provides a UWB stop-band over the 80–110 GHz spectrum, ensuring effective phase shifting at 100 GHz within the ultra-wideband range.…”
Get full text