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41
Search of the early O3 LIGO data for continuous gravitational waves from the Cassiopeia A and Vela Jr. supernova remnants
Published 2024“…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. …”
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Article -
42
Transition metal doped apatites as inert non-toxic pigments
Published 2016“…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. …”
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Final Year Project (FYP) -
43
Radiometer Calibration Using Colocated GPS Radio Occultation Measurements
Published 2017“…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. …”
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Article -
44
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
Published 2025“…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. …”
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Journal Article -
45
End-fire surface wave antenna with metasurface coating
Published 2018“…Good radiation pattern and high gain are achieved over a wide frequency band.…”
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Journal Article -
46
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47
LKAW: a robust watermarking method based on large kernel convolution and adaptive weight assignment
Published 2023“…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. …”
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Journal Article -
48
Strong electron–phonon coupling in magic-angle twisted bilayer graphene
Published 2024“…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. …”
Journal article -
49
Thin 3-D bandpass frequency-selective structure based on folded substrate for conformal radome applications
Published 2021“…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. …”
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Journal Article -
50
Fabrication and application of novel highly ordered nano-heterostructure arrays in optoelectronics
Published 2016“…Meanwhile, Ag2S with a narrow band gap enables more efficient absorption of incident light and faster separation of photogenerated electron-hole pairs. …”
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Thesis -
51
Effective image synthesis for effective deep neural network training
Published 2024“…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. …”
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Thesis-Doctor of Philosophy -
52
Experimental observation of optical Weyl points and Fermi arc-like surface states
Published 2018“…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. …”
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Journal Article -
53
Higher-order Dirac semimetal in a photonic crystal
Published 2022“…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. …”
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Journal Article -
54
TEM image simulation of silicon carbide using multislice technique
Published 2013“…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. …”
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Final Year Project (FYP) -
55
Enhancing tensile and fatigue properties of additively manufactured alloys by post-processing heat treatment
Published 2022“…While investment in additive manufacturing has taken significant strides in the past few years, widespread industrial adoption is still at a slow pace due to the poor mechanical properties and lack of competency against conventionally manufactured (CM) counterparts. …”
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Thesis-Doctor of Philosophy -
56
Design of optical building blocks for photonic integration
Published 2008“…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. …”
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Research Report -
57
Recent progress on transition metal diselenides from formation and modification to applications
Published 2022“…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). …”
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Journal Article -
58
Investigation studies on mechanical properties of PH15-5 stainless steel for selective laser melting
Published 2019“…There are seven categories of AM processes: VAT photopolymerisation, binder jetting, sheet lamination, material jetting, material extrusion, directed energy deposition and powder bed fusion. …”
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Final Year Project (FYP) -
59
Study on process parameter optimization for electron beam melting additive manufacturing
Published 2021“…Last but not least, the established ML-empowered methodology for process parameter optimization based on SEBM processing in this study can also be applied to other metal AM processes, such as laser-based powder bed fusion, directed energy deposition and binder jetting.…”
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Thesis-Doctor of Philosophy -
60