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6721
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 -
6722
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 -
6723
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 -
6724
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 -
6725
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 -
6726
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 -
6727
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 -
6728
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 -
6729
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 -
6730
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