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61
Synthesis of polyaniline nanoparticles for fluorescence sensing applications
Published 2016“…PANI NPs were successfully synthesized after sonicating the PANI film in NMP. The amorphous nature, average size, thickness and networking structure of PANI film were characterized by AFM, SEM and TEM results. …”
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Final Year Project (FYP) -
62
Zinc hydroxyapatite catalyst for decomposition of 2-propanol
Published 2013“…The preferential displacement of tunnel calcium (Ca2+) by covalently bonded Zn2+ inhibits crystal growth and promotes the retention of an amorphous (10-20 wt%) component. In combination, these factors create chemically active surfaces that allow Zn-HAp materials to effectively absorb carbon monoxide (*characteristic vibration at ∼1711 cm-1) and catalyze the decomposition of 2-propanol.…”
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Journal Article -
63
TORCH — an innovative high-precision time-of-flight PID detector for the LHCb upgrade
Published 2014“…The DIRC-type detector is located at 10m distance from the interaction point with an area of 30m2 and is formed from 10mm thick synthetic amorphous fused silica plates. In this Cherenkov radiator the photons that propagate by total internal reflection to the plate edge are focussed onto an array of position-sensitive micro-channel plate sensors. …”
Conference item -
64
Oscillatory instabilities in frictional granular matter
Published 2020“…Frictional granular matter is shown to be fundamentally different in its plastic responses to external strains from generic glasses and amorphous solids without friction. While regular glasses exhibit plastic instabilities due to the vanishing of a real eigenvalue of the Hessian matrix, frictional granular materials can exhibit a previously unnoticed additional mechanism for instabilities, i.e., the appearance of a pair of complex eigenvalues leading to oscillatory exponential growth of perturbations that are tamed by dynamical nonlinearities. …”
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Journal Article -
65
Direct growth of FeVO4 nanosheet arrays on stainless steel foil as high-performance binder-free Li ion battery anode
Published 2013“…Amorphous FeVO4 nanosheet arrays have been grown directly from a flexible stainless steel (SS) substrate by a facile template-free and catalyst-free chemical vapour deposition (CVD) method. …”
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Journal Article -
66
Evaluation study on experimental and theoretical simulation elastic properties analysis of neodymium-doped magnesium borotellurite glasses
Published 2023“…X-ray diffraction analysis proves the amorphous state of glasses and elastic moduli demonstrated a linear increase with the increment of Nd2O3. …”
Article -
67
Investigation of the reliability of nano-nickel/niobium oxide-based multilayer thin films deposited on polymer substrates for flexible electronic applications
Published 2024“…Here, we report the reliability of nickel-niobium oxide (crystalline-amorphous) sandwich nanolayers on a PI substrate (Ni-Nb2O5-PI) compared to pure nickel (Ni) nanolayers on a PI substrate (Ni-PI) as a potential candidate for electrodes or interconnects for flexible electronic or energy devices. …”
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Journal Article -
68
Probing the deformation mechanisms of AlCoCrFeNi alloy at various strain rates and grain sizes
Published 2022“…The increase in strain rate results in higher yield stress and a larger percentage of amorphous structures. Inverse Hall-Petch relationship was also observed in the study, along with different formations of stacking faults present and some grain boundary induced mechanisms present at smaller grain sizes (6 nm).…”
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Final Year Project (FYP) -
69
Thermal characterization of nanoscale material
Published 2009“…This final year project presents the thermal property measurements of several nanoscale thin film materials: multiwalled carbon nanotubes (MWCNT), tetrahedral amorphous carbon (ta-C) and CrAlSiN nanocomposites, using pulsed photothermal reflectance (PPR) technique at room temperature. …”
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Final Year Project (FYP) -
70
Modeling of thermal behavior in phase change interconnects
Published 2010“…Similar to phase change memories, a phase change interconnect uses the high resistance ratio between the ON/ OFF state by switching between a polycrystalline and amorphous Ge2Sb2Te5 states respectively activated by joule heating. …”
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Final Year Project (FYP) -
71
Re-ordering chaotic carbon : origins and application of textured carbon
Published 2013“…Formation of nanocrystals with preferred orientation within the amorphous carbon matrix has attracted lots of theoretical and experimental attentions recently. …”
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Journal Article -
72
The stomatopod dactyl club : a formidable damage-tolerant biological hammer
Published 2013“…Consisting of a multiphase composite of oriented crystalline hydroxyapatite and amorphous calcium phosphate and carbonate, in conjunction with a highly expanded helicoidal organization of the fibrillar chitinous organic matrix, these structures display several effective lines of defense against catastrophic failure during repetitive high-energy loading events.…”
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Journal Article -
73
Thermorefringent noise in crystalline optical materials
Published 2024“…We establish the theory of this effect, which is a generalization of prior treatments of thermo-optic noises in amorphous materials. This theory—in conjunction with poorly understood anisotropic thermal stress coefficients of crystalline coatings—predict that thermo-refringent noise in crystalline mirror coatings may be lurking within an order of magnitude of Brownian noise (below 100 Hz). …”
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Article -
74
Core-shell SiC/SiO2 heterostructures in nanowires
Published 2013“…The results show that these heterostructures consist of a single crystalline SiC core of 20∼30 nm diameter covered by a uniform layer, about 15 nm thickness of amorphous SiO2. Such heterostructures were grown based on the vapour–solid mechanism and the deposition way has an important influence on their morphology. …”
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Journal Article -
75
Effects of initial oxide layer on growth of titania nanotubes
Published 2011“…Prolonged annealing duration at 400°C led to further crystallization of the annealed oxide layer from amorphous to anatase phase. This also resulted in different chemical dissolubility of the oxide layer.…”
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Final Year Project (FYP) -
76
Development of graphene and its electrochemical characteristics
Published 2011“…A Ni/C/p-Si tri-layer stack was fabricated when diamond-like carbon (DLC) or amorphous carbon layer was deposited onto Si/SiO2 substrate followed by Ni layer sputtered onto the carbon layer. …”
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Final Year Project (FYP) -
77
Enhanced thermal characterization of silica aerogels through molecular dynamics simulation
Published 2016“…This work demonstrates that this potential is superior to the widely used BKS potential in terms of characterizing the thermal conductivities of amorphous silica, by comparing the vibrational density of states with previous experimental studies. …”
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Journal Article -
78
Little-Parks oscillations in an insulator
Published 2013“…We present the results of a magnetoresistance study of the disorder-induced superconductor-insulator transition in an amorphous indium-oxide thin film patterned by a nanoscale periodic array of holes. …”
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Journal Article -
79
Microstructural evolution of electrospun microfibers for biomedical applications
Published 2024“…The proposed mechanism involves lamellar fragmentation of chain-folded crystals (CFC) and amorphous chain extension at low strains. At higher strains, CFC unfold and recrystallize into thermodynamically more stable chain-extended crystals (CEC) aligned to the stretch axis. …”
Thesis -
80
Nanostructure and photovoltaic potential of plasmonic nanofibrous active layers
Published 2024“…Through X-ray and electron diffraction, the fiber nanostructure is elucidated, with uniaxial elongation of the electrospinning jet aligning the polymer backbones within crystallites orthogonal to the fiber axis, and amorphous chains parallel. It is revealed that this structure forms when anisotropic crystallites, pre-assembled in solution, become oriented along the fiber– a configuration with high charge transport potential. …”
Journal article