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9841
Factor modeling for clustering high-dimensional time series
Published 2023“…Numerical illustration with both simulated data as well as a real data example is also reported. As a spin-off, the proposed new approach also advances significantly the statistical inference for the factor model of Lam and Yao. …”
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Journal Article -
9842
Hand-held devices for generating force/torque perturbations
Published 2011“…The working principle is to spin the flywheel at a certain angular speed and then break this rotation motion within a very short period so that relatively high deceleration will take place and torque will be generated. …”
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Final Year Project (FYP) -
9843
Topological phases with parafermions: theory and blueprints
Published 2016“…First we generalize the intimate connection between the -symmetric Ising quantum spin chain and Majorana fermions to -symmetric chains and parafermions. …”
Journal article -
9844
Azadihomocorannulene as a heptagon-embedded diradicaloid
Published 2025“…The synthesis was achieved through a mechanochemical C(sp2)-H/C(sp3)-H coupling in the presence of sodium as a key reaction. Electron spin resonance studies revealed that the neutral azapentabenzodihomocorannulene adopts a singlet diradical (diradicaloid) ground state with a small singlet-triplet energy gap of 2.1 kcal/mol. …”
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Journal Article -
9845
Magnetism in graphene oxide induced by epoxy groups
Published 2015“…Local density approximation calculation results well reproduce the magnetic moments obtained from experiments, and these results indicate that the unpaired spin induced by the presence of epoxy groups is the origin of the magnetism. …”
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Journal Article -
9846
Synthesis and characterization of reduced graphene oxide-based composites
Published 2012“…The conductive rGO films are fabricated by reduction of spin-coated GO films. By varying the solution volume in the spin-coating process, the film thickness can be adjusted and hence the film transmittance and sheet resistance can be controlled. …”
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Thesis -
9847
Magnetic levitation using neodymium magnets for vertical axis wind turbine (VAWT) II
Published 2012“…This project involved the design and fabrication of a test model vertical axis wind turbine, however as this experiment was carried out indoor without any wind condition, the author used a dc motor to simulate the wind required to spin the turbine. The advantage of this motor allows the author some control over the speed of the turbine. …”
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Final Year Project (FYP) -
9848
Singlet fission in organic crystals : ultrafast spectroscopic study
Published 2014“…Singlet fission (SF) is a spin-allowed process in which one singlet excited molecule shares its energy with an adjacent molecule in the ground state, both molecules forming a pair of triplet states. …”
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Thesis -
9849
Molecular modulation of fluorene-dibenzothiophene-S,S-dioxide-based conjugated polymers for enhanced photoelectrochemical water oxidation under visible light
Published 2020“…Moreover, C12 was used for preparation of a composite film with TiO2 nanorod arrays via spin-coating to yield an approximately 11-fold higher anodic PEC activity than that of pure TiO2. …”
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Journal Article -
9850
Developing a lightscape application (using a raspberry PI)
Published 2014“…The project aims to develop a web application, which will be hosted within the Raspberry Pi, for controlling the brightness of constant light source from the high power LED via the Raspberry Pi’s General Purpose Input Output (GPIO) pins and gather optimal settings for projecting images with the Light Blaster. …”
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Final Year Project (FYP) -
9851
Celebrating creation : therapeutic use of art and design for the elderly.
Published 2012“…Pablo Picasso once said, “Art washes from the soul the dust of everyday life”. As the world spins faster and faster, modernisation calls for the fast and new, while the old often gets left behind. …”
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Final Year Project (FYP) -
9852
Synthesis, characterization and terahertz study of metal oxides
Published 2013“…The interplays among various orderings of the spin, charge and orbital degrees of freedom in a broad spectrum of crystalline structures produce a number forms of symmetry-breaking patterns of spatial inversion, time-reversal and gauge symmetries, leading to exciting emergent phenomena in strongly-correlated electron systems and promising a variety of potential applications. …”
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Thesis -
9853
Micro-systems mechanics Vol. IV
Published 2008“…It can regulate the position of read/write head laterally in parallel with the surface of the disk and simultaneously adjust the flying height of the read/write head over the spinning platter. Both static and dynamic analyses of the actuator have been performed by ANSYS. …”
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Research Report -
9854
Detection of magnetic field effects by confocal microscopy
Published 2020“…Certain pairs of paramagnetic species generated under conservation of total spin angular momentum are known to undergo magnetosensitive processes. …”
Journal article -
9855
Tunable topological phase transition in the telecommunication wavelength
Published 2023“…Besides, simulations of light propagation at sharp corners and pseudo-spin photon coupling are conducted to quantitatively examine the topological protection. …”
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Journal Article -
9856
Enhancing circular dichroism by super chiral hot spots from a chiral metasurface with apexes
Published 2017“…Manipulating light spin (or circular polarization) is an important research field and may find broad applications from sensors, display technology, to quantum computing and communication. …”
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Journal Article -
9857
Quantum tunneling of magnetization in ultrasmall half-metallic V3O4 quantum dots : displaying quantum superparamagnetic state
Published 2013“…The quantum superparamagnetic state (QSP) as a high temperature signature of QTMs is observed at 16 K, which is beyond absolute zero temperature and much higher than that of conventional iron-based compounds due to the stronger spin-orbital coupling of V3+ ions bringing high anisotropy energy. …”
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Journal Article -
9858
Ultrafast dynamics in quantum materials probed by time-and-momentum-resolved techniques
Published 2024“…In this part of the thesis, I will introduce a new pathway for launching coherent acoustic phonons: magnetostriction, and discuss the spin-mediated shear oscillator enabled by this mechanism in van der Waals antiferromagnet. …”
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Thesis -
9859
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9860
Viscoelastic material characterization and novel damper development for sound proof HDD
Published 2009“…As a result of the small form factor HDD application in consumer electronics products, the small form factor HDD has to increase its true performance index and its spinning speed. As a result of these improvements, noise generated in HDD will become a problem. …”
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Final Year Project (FYP)