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cheer » chee (Expand Search), cher (Expand Search), sheer (Expand Search)
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1341
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1342
Programmable interfacial band configuration in WS2/Bi2O2Se heterojunctions
Published 2024“…Using this material combination, we further design a sophisticated band architecture incorporating both type-I (WS2 straddles Bi2O2Se, fluorescence-quenched) and type-I (Bi2SeO5 straddles WS2, fluorescence-recovered) alignments in one sample through focused laser beam (FLB). By programming the FLB trajectory, we achieve a predesigned localized fluorescence micropattern on WS2 without changing its intrinsic atomic structure. …”
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Journal Article -
1343
Design and investigation of block copolymers for dispersion of carbon nanotubes in polymer matrices
Published 2018“…To further improve the tensile properties of the SWNTs/epoxy nanocomposites, we fabricated another series of PI-derived block copolymers via ring-opening polymerization initiated from hydroxyl-terminated polyimide of lactide and allyl-bearing 2-methyl-2-(allyloxycarbonyl)propylene carbonate) (MAC) to produce PLA-b-PI-b-PLA (TB1) and PMAC-b-PI-b-PMAC (TB2) which are polyester and poly(ester-carbonate)-derived, respectively. …”
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Thesis -
1344
Synthesis of heavy cyanide analogs for the design of novel Prussian blue analogs
Published 2023“…In order to provide illustrative points of comparison, analogous metal complexes bearing various strong-field ligands are also synthesized and analyzed using the same approach.…”
Thesis -
1345
Computational design of a novel soft-Xray-based turbulence diagnostic in NSTX-U
Published 2024“…Assumptions from the previous study, such as infinitely thin beam size, are relaxed to assess their impact on reconstruction. …”
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Thesis -
1346
Investigation of solar cell carrier lifetime using photoconductance lifetime measurements
Published 2020“…For comparison, we have also studied electron beam deposited MoOx as a passivation layer. The evaluation of the quality of the passivation is done by measuring the effective lifetime of Si via the Sinton WCT-120 Photoconductance Lifetime tester. …”
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Final Year Project (FYP) -
1347
Constructing 3D self-supporting surfaces with isotropic stress using 4D minimal hypersurfaces of revolution
Published 2021“…The existing thrust network analysis methods discretize both geometry and material by approximating the continuous stress field through uniaxial singular stresses, making them an ideal tool for analysis and design of beam structures. In contrast, our method works on piecewise linear surfaces with continuous material. …”
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Journal Article -
1348
Effect of geometric scaling on the microstructural development of selective laser melted metal parts
Published 2022“…This study discusses the effect of geometric scaling, delay time (i.e., the time it takes for the laser beam to jump from one scan vector to the adjacent scan vector, which is controlled by the jump speed), gas flow, and defocusing distance on microstructural development and mechanical properties of selective laser melted 316L stainless steel. 316L stainless steel has been used in various industries such as aerospace and petrochemical industries due to its superior properties such as very good corrosion resistance. …”
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Final Year Project (FYP) -
1349
Bacteria-mediated anti-cancer therapy
Published 2019“…However, IB significantly inhibited the growth of the tumors and improved the survival rate of immunocompetent CT26 tumor-bearing mice. Histological analysis showed that IB increased the necrotic area in HCT116 tumors. …”
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Thesis -
1350
Export competitiveness in the context of Singapore
Published 2014“…Last but not least, we must bear in mind that Singapore is only a small economy. …”
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Final Year Project (FYP) -
1351
Non-Destructive Material Characterization Methods /
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software, multimedia -
1352
Squeezing the Quantum Noise of LIGO below the Standard Quantum Limit
Published 2024“…The SQL applies when using uncorrelated photons or coherent light to measure the object, such as a laser beam. However, introducing quantum correlations through squeezed light, a technique called squeezing (Chapter 2), can circumvent this limit. …”
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Thesis -
1353
Growth of gallium nitride nanowires by low pressure chemical vapor deposition (LPCVD)
Published 2013“…Growth of III-Nitride nanowires on Si, which is the most commonly used substrate in microelectronic industry, using different growth techniques such as conventional Chemical Vapor Deposition (CVD), Metal Organic Chemical Vapor Deposition (MOCVD), and Molecular Beam Epitaxy (MBE) etc. have been explored. Low pressure chemical vapor deposition (LPCVD), which is widely used in Si wafer fabs, is of particular interest due to its low cost, ability to handle large size wafer and high throughput. …”
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Thesis -
1354
Ordered hybrid nanoneedle arrays for gas sensing
Published 2014“…In the present thesis, a novel ordered metal/silicon hybrid nanoneedle array is fabricated using an ion beam that patterns the metal/silicon substrate producing a pillar array followed by the self-organization of hybrid nanoneedles. …”
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Thesis -
1355
Intelligent Solutions for Sustainable Power Grids /
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software, multimedia -
1356
Surface plasmon resonance (SPR) enhanced biosensors
Published 2016“…The fabrication steps of the arrays were composed of electron-beam lithography and nano-imprint lithography. In comparison with the PAuNH array, the AuNH array offered higher field enhancement for fluorescence when only LSP was excited. …”
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Thesis -
1357
Two-dimensional transitional metal dichalcongenide heterostructures : interface optical properties
Published 2018“…In the hBN/TMDC/hBN heterostructure, e-beam induced e-h pairs can transfer to and be trapped in the middle TMDC layer, leading to increased recombination probability within the TMDC layer. …”
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Thesis -
1358
Nonequilibrium hyperuniform fluids
Published 2024“…The first one is the systems stemmed from random organization (RO) dynamics, which is a model originally proposed to describe the chaotic particle motion in sheared non-Brownian suspensions. The subsequent one is the hyperuniform systems found in active particle systems, including hyperuniform reactive particle fluids and the chiral active brownian systems and biological algae systems, etc. …”
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Thesis-Doctor of Philosophy -
1359
Novel heat treatment methodology for residual stress relieve of AlSi10Mg without compromise of mechanical strength
Published 2021“…Additive manufacturing (AM) has made the fabrication of complex parts possible which otherwise, would not have been possible with conventional subtractive manufacturing. Laser Beam Powder Bed (LBPB) Fusion, commonly known as Selective Laser Melting (SLM), is one of the methodologies in AM for metal fabrication. …”
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Thesis-Doctor of Philosophy -
1360
SPP/LSP coupled hybrid mode directed multi-functional surface-enhanced Raman system
Published 2013“…In the experiment, SPPs are excited by a tightly-focused radially polarized beam and interact with the nanospheres to generate the plasmon-hybrid-mode, exactly according to the second configuration aforementioned. …”
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Thesis