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10841
Observation of the interactions of silver nanoparticles (AgNPs) mediated by acid in the aquatic matrices using in-situ liquid cell transmission electron microscopy
Published 2021“…Aggregates formed in this scenario were non spherical and irregular shaped and were stable under the electron beam irradiation. Individual AgNPs and smaller aggregates moved randomly and approached the larger aggregates before the aggregation process came to an end. …”
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Journal Article -
10842
Three dimensional acoustic tweezers with vortex streaming
Published 2021“…Acoustic tweezers based on single-beam focused acoustic vortices have attracted considerable attention due to their selective trapping capability, but have proven difficult to use for three-dimensional (3D) trapping without a complex transducer array and significant constraints on the trapped particle properties. …”
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Journal Article -
10843
Small-scale wind energy harvesting using piezoelectric materials
Published 2015“…A two degree-of-freedom galloping piezoelectric energy harvester (GPEH) is proposed which successfully enhances the output power in low wind speeds. A beam stiffener is employed as an electromechanical coupling magnifier, which is proved to be an easy but greatly effective efficiency enhancing method for energy harvesting from VIV, flutter as well as galloping. …”
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Thesis -
10844
Antenna-enhanced and polarization sensitive photoresponse in arrays of silicon P–i–N nanowires
Published 2013“…Quantitative characterization of these resonances was performed by spectral and polarization-resolved photocurrent measurements on gratings with N = 500, 200 and 100 nanowires, aided by electron beam-induced current measurements, and in excellent agreement with electromagnetic scattering theory. …”
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Journal Article -
10845
Thermal characterization of nanoscale material
Published 2009“…Thin gold layers were deposited on top of these samples through e-beam deposition process to enhance sample heat absorption during photothermal experiment. …”
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Final Year Project (FYP) -
10846
Fabrication and characterization of the electrical properties of phase change materials
Published 2011“…The films were milled into nanowires by Focused Ion Beam and the resulting crystalline resistivity was comparable to that of the films, indicating reasonable physical scalability.…”
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Final Year Project (FYP) -
10847
Characterization of harbor seal whisker
Published 2012“…In addition, a theoretical model based on elliptical conical beam, was developed to study the behaviour of the whiskers. …”
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Final Year Project (FYP) -
10848
On propagation characteristics of ultrasonic guided waves in helical strands
Published 2023“…Steel strands have been widely used in industrial fields as a reliable load-bearing component. Under the influence of environmental erosion and fatigue stress, different types of damage, such as corrosion and fracture, will occur in the in-service steel strands, which will cause unpredictable loss of personnel and property. …”
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Journal Article -
10849
Maneuvering angle rigid formations with global convergence guarantees
Published 2023“…Angle rigid multi-agent formations can simultaneously undergo translational, rotational, and scaling maneuvering, therefore combining the maneuvering capabilities of both distance and bearing rigid formations. However, maneuvering angle rigid formations in 2D or 3D with global convergence guarantees is shown to be a challenging problem in the existing literature even when relative position measurements are available. …”
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Journal Article -
10850
Shape-morphing structures based on perforated kirigami
Published 2023“…We also examine the loading-bearing capacity of morphed structures via indentation tests in both FEM simulations and experiments. …”
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Journal Article -
10851
Novel bisisoquinolines : synthesis, resolution and application in asymmetric Henry reaction
Published 2012“…(R)-N-alkyl-C1-1’,2’,3’,4’-terahydro-1,1’-bisisoquinoline differing in the steric bulkiness were successfully afforded to be examined in the asymmetric Henry reaction. The ligand bearing the smallest substituent was proved to be the most effective one in the CuI-catalyzed addition of nitromethane, nitroethane and nitropropane to aldehydes. …”
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Thesis -
10852
Diffuse Correlation Spectroscopy (DCS) and Diffuse Optical Spectroscopy (DOS) for photodynamic therapy monitoring.
Published 2013“…The aim is to evaluate the relative tissue oxygen saturation (rStO2) and relative blood flow (rBF) of the tumour-bearing mice obtained from Diffuse Optical Spectroscopy (DOS) and Diffuse Correlation Spectroscopy (DCS) respectively in order to see if they have prognostic value in predicting tumour response. …”
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Final Year Project (FYP) -
10853
DEEP2: Deep Learning Powered De-scattering with Excitation Patterning (DEEP)
Published 2024“…Using a two-photon fluorescence imaging system, we have experimentally demonstrated the feasibility of three-dimensional imaging through a 500-µm-diameter and ∼11 cm long GRIN lens subject to a cantilever beam-like deflection with a minimum bend radius of ∼25 cm. …”
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Article -
10854
Photonic engineering technology for the development of terahertz quantum cascade lasers
Published 2020“…However, the applications of THz QCL require good output characteristics in terms of the emission spectrum, beam quality, power efficiency, and polarization control, which are beyond the reach of the electronic engineering techniques. …”
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Journal Article -
10855
Discontinuity of overhanging melt track in selective laser melting process
Published 2020“…The simulation model was achieved by incorporating Fresnel reflections in the laser beam through the ray-tracing model. The CFD model was employed to investigate different overhanging situations, including perpendicular and parallel overhanging melt tracks on a cuboid block, as well as parallel melt tracks on an inclined block. …”
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Journal Article -
10856
Fabrication of gold nanotip arrays using anodic aluminium oxide (AAO) template
Published 2009“…They are usually fabricated by a combination of DRIE (Dry-Reactive-Ion-etching) and FIB (Focused-Ion-Beam) processes. However these processes require many fabrication steps, are high in cost and are limited in material choices. …”
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Final Year Project (FYP) -
10857
Two dimensional materials-based multi gated devices and simulation
Published 2022“…In this research project, mechanical exfoliation has been used to prepare 2D semiconductors and electron beam lithography has been used to fabricate the samples of multi-coplanar gates transistors. …”
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Thesis-Master by Coursework -
10858
Effect of hydrogen peroxide sterilization on properties and degradation of poly (ε-caprolactone) and poly (L-lactide-co-ε-caprocaltone)
Published 2010“…There are several techniques available to sterilize biomedical devices such as autoclave, gamma and E-beam radiation. However, there are drawbacks in those techniques especially towards biodegradable polymers. …”
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Final Year Project (FYP) -
10859
Multi-stable configurations for vibration-based energy harvester
Published 2014“…This report will illustrate and analyse the linear and non-linear experiment for the Bimorph, Fibreglass, and Aluminium cantilever beam, as well as discuss the future work of the research.…”
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Final Year Project (FYP) -
10860
Growth and characterization of III-V quantum dots on SI-based substrate
Published 2014“…Using the solid-source molecular beam epitaxy, a defect-free GaAs heteroepitaxy on Ge surface can be obtained by employing the low temperature migration enhanced epitaxy technique. …”
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Thesis