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941
Developments in THz Polaritonics: Towards Integrated Nonlinear THz Spectroscopy
Published 2024“…The optical pump light is focused onto the bevel, after which it refracts and becomes confined within the waveguide by total internal reflection. This allows the pump beam to repeatedly drive the generated THz field during its multiple back-and-forth traversals within the LN slab. …”
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Thesis -
942
Developing metallic cathode for low-temperature solid oxide fuel cell applications
Published 2017“…To study the stability of metallic cathode, an interfacial structure characterization method, double cantilever beam delamination, was developed to determine the triple phase boundary structure for the thin-film electrode. …”
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Thesis -
943
Investigations into femtosecond laser hybrid manufacturing for 3D power sources
Published 2021“…These VPGs are then demonstrated as active beam steering units and tuneable spectroscopic optical elements. …”
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Thesis-Doctor of Philosophy -
944
A Brewster route to Cherenkov detectors
Published 2022“…Our angular-selective Brewster paradigm offers a feasible solution to implement compact and highly sensitive Cherenkov detectors especially in beam lines with a small angular divergence using regular dielectrics.…”
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Journal Article -
945
Compositionally graded alloys fabricated using the laser powder bed fusion technique
Published 2023“…In this study, among the several available AM processes, the LPBF technique is selected to fabricate compositionally graded alloys, as it has higher spatial resolution and lower cost, compared to directed energy deposition (DED) and electron beam powder bed fusion (EBPBF). With three different LPBF setups and four alloy systems examined in this study, the following objectives are achieved: (i) screening out, from a large range of compositions, the alloys that are amenable to LPBF, (ii) examining the effects of the LPBF characteristics, e.g., rapid cooling rate, on the micro-/meso-structure and properties of the fabricated parts with varying chemical compositions, and (iii) evaluating the fabrication methods in terms of types of achieved gradation (stepwise or smooth), efficiency, and level of chemical segregation. …”
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Thesis-Doctor of Philosophy -
946
Synthesis and characterization of Cu-Chalcogenide nanocrystals for potential applications in low-cost solar cells
Published 2013“…Since the opto-electrical properties of the NCs are highly dependent on the composition and crystal structure, X-ray diffraction, selected area electron diffraction, convergent beam electron diffraction and Raman spectroscopy were used to determine their crystal structure. …”
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Thesis -
947
Global age-sex-specific mortality, life expectancy, and population estimates in 204 countries and territories and 811 subnational locations, 1950–2021, and the impact of the COVID-...
Published 2024“…An estimated 131 million (126–137) people died globally from all causes in 2020 and 2021 combined, of which 15·9 million (14·7–17·2) were due to the COVID-19 pandemic (measured by excess mortality, which includes deaths directly due to SARS-CoV-2 infection and those indirectly due to other social, economic, or behavioural changes associated with the pandemic). …”
Journal article -
948
Design and analysis of passive phase shifters using controllable defected ground structures in 65nm CMOS technology for 77-81 GHz automotive radar
Published 2024“…Phased array radar is a low cost and promising technique to achieve high angular resolution by scanning a narrow beam in azimuth. The key enabler of a phased array radar is the phase shifter, which provides a progressive phase difference in each channel to achieve beamforming. …”
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Thesis-Doctor of Philosophy -
949
Solution processed transition metal oxides selective contacts for Si heterojunction solar cells
Published 2021“…In this work, we have first prepared hole selective contacts using solution processed MoOx (s-MoOx) by spin-coating and physical evaporated MoOx (e-MoOx) by electron beam evaporator. The performance of the s-MoOx/Si HSC has been investigated and optimized, which has been demonstrated solar cell efficiency of 12.5% for s-MoOx/Si HSC that is comparable to efficiency of 13.3% for e-MoOx/Si HSC. …”
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Thesis-Doctor of Philosophy -
950
Enhancing tensile and fatigue properties of additively manufactured alloys by post-processing heat treatment
Published 2022“…Amongst the different AM techniques, laser beam-powder bed fusion (LB-PBF) is the most abundantly investigated process due to its deep market penetration as well as the vast number of LB-PBF machine manufacturers. …”
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Thesis-Doctor of Philosophy -
951
Methods of growth and transfer of carbon nanotubes onto substrates for advanced electrical and electronic applications
Published 2023“…However, the main concern of CNT growth on non-planar substrates is the uneven deposition of catalysts due to the direction dependence of the E-beam deposition method. In this context, a dip-coating method for catalyst deposition is developed and optimised to synthesize CNT on GF. …”
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Thesis-Doctor of Philosophy -
952
Development of highly efficient organic and perovskite solar cells
Published 2018“…The top Au electrodes are normally deposited by vacuum deposition methods, such as thermal evaporator and E-beam evaporator. The vacuum deposition methods increase the fabrication costs of organic solar cells and perovskite solar cells and are not compatible with roll-to-roll manufacturing process. …”
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Thesis -
953
A combined numerical and experimental approach to investigations of body-freedom flutter on flying wings
Published 2024“…The structural dynamics are modelled using an Euler-Bernoulli beam which is tightly coupled with the rigid-body motions of the flying wing, and subsequently discretised using the finite-element method. …”
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Thesis-Doctor of Philosophy -
954
Preparation of low-dimensional materials for plasmonic bio-sensing
Published 2022“…A Au nanorod-based sandwich type plasmonic structure scheme was proposed for the detection of SARS-CoV-2 virus. The electric field distribution was analyzed for various configurations of the Au NR. …”
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Thesis-Doctor of Philosophy -
955
50 Years of quantum chromodynamics
Published 2024“…These exotic states add to the spectrum of expected $$q{{\bar{q}}}$$ q q ¯ mesons and qqq baryons. …”
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Article -
956
InAlN/GaN high electron mobility transistors on Si for RF applications
Published 2018“…Sub-100 nm gate was developed using electron beam lithography (EBL) technology to minimize gate induced intrinsic delay. …”
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Thesis -
957
2DEG enhancement via epilayer stress engineering in AlN/GaN/AlN heterostructure
Published 2021“…This was followed by the growth and characterization of AlN/GaN/AlN double heterojunction (DH) HEMT layer structures on semi-insulating 4H-SiC substrates by plasma assisted molecular beam epitaxy (PA-MBE). The higher thermal conductivities of AlN and 4H-SiC are likely to improve heat dissipation, thus providing greater thermal stability and lesser device deterioration due to self-heating. …”
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Thesis-Doctor of Philosophy -
958
Investigations into high resolution imaging and contouring for diagnostic bio-applications
Published 2016“…Thermal perturbation of the target tissue with infrared beam was used to effect the required change in the bio-speckle pattern. …”
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Thesis -
959
100 UMPSA athletes to compete in 10 events at the 2024 SUKUM Championship
Published 2024“…PEKAN, 6 August 2024 – The enthusiastic cheers of “UMPSA! Minda Juara!” echoed as 100 athletes, comprising 65 men and 35 women from Universiti Malaysia Pahang Al-Sultan Abdullah (UMPSA), prepared to represent their university in the upcoming 2024 SUKUM Championship.…”
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Newspaper -
960
Polarimetric Microwave Imaging /
Published 2021“…The content is divided into three main parts: Part I, on the research scope of PolSAR, addresses the underlying theory and system design, polarimetric SAR interferometry (PolInSAR), compact PolSAR, and calibration of PolSAR. …”
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