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pine » line (Expand Search), fine (Expand Search), ping (Expand Search), pinge (Expand Search), spine (Expand Search)
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3181
Valley-optical absorption in planar transition metal dichalcogenide superlattices
Published 2023“…By calculating the effective mass for different bands and using the Drude-Lorentz model, our approach is able to determine the oscillator strength and the effective refractive index of the structure. We found that the spin-orbit coupling has important effect on the absorption coefficient and energy bands where it reduces the absorption coefficient of the structure from typical value of [Formula: see text]-[Formula: see text], also the valence band experiences a significant blue shift, while the conduction band shows minor changes due to spin orbit coupling. …”
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Journal Article -
3182
A Unified Approach to Learning Ising Models: Beyond Independence and Bounded Width
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Article -
3183
Small molecule motion within and through organic nanomaterials: an anthology
Published 2024“…These experiments were enabled by co-assembly of AAs with stable nitroxide radical spin labels into the nanoribbon ensemble. Distinct conformational behavior is resolved between domains, and variable temperature studies enable description of each spin label environment through phase transition characterization and activation energy analysis. …”
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Thesis -
3184
Coherent Terahertz Control and Ultrafast Spectroscopy of Layered Antiferromagnets
Published 2024“…The 2D nonlinear spectroscopy utilized in this dissertation is gaining attention both theoretically and experimentally as a promising tool for detecting fractionalized spin excitations.…”
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Thesis -
3185
Dynamic response of magnetic skyrmions in multilayer heterostructures
Published 2020“…Recently, magnetic skyrmions - circularly-shaped twisted spin textures - have aroused interest due to their enhanced stability and efficient coupling with electric currents. …”
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Thesis-Doctor of Philosophy -
3186
Investigating hybrid methods of fabricating formamidinium-based perovskite solar cells
Published 2024“…A double-step method was explored on a p-i-n structure, consisting of thermal evaporation of an inorganic layer (PbI2 or PbI2-Cs) followed by spin coating of an organic layer (CH(NH)2I/CH3NH3Br/CH3NH3Cl) to complete the perovskite. …”
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Final Year Project (FYP) -
3187
Harmonic Spinors in the Ricci Flow
Published 2024“…Further, a sharp parabolic Hitchin–Thorpe inequality for simply-connected, spin 4-manifolds is proven. From this, it follows that the normalized Ricci flow on any exotic K3 surface must become singular.…”
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Article -
3188
Coupled domain wall oscillations in magnetic cylindrical nanowires
Published 2015“…It is possible to sustain the DW oscillations by applying spin-polarized current to the nanowires to balance the repulsive magnetostatic coupling. …”
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Journal Article -
3189
NMR structure and localization of the host defense antimicrobial peptide thanatin in zwitterionic dodecylphosphocholine micelle : implications in antimicrobial activity
Published 2021“…The depth of insertion of thanatin into micelle structure was investigated by spin labelled doxyl lipids, 5-DSA and 16-DSA. DPC-bound structure of thanatin is defined by a -hairpin structure and an extended and turn conformations, for residues G1-I8, at the N-terminus. …”
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Journal Article -
3190
Orbital stability in a classical pilot-wave system
Published 2024“…We then consider the effect of weak external forces on spin states, circular orbits arising in the absence of external forces, and show that the destabilisation of spin states depends in a complex manner on the type of external force applied. …”
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Thesis -
3191
Multiple scattering of light in cold atomic clouds in a magnetic field
Published 2014“…We show that, for atoms with nonzero spin in their ground state, the CBS interference contrast can be increased compared to its value when B=0, a result at variance with classical samples. …”
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Journal Article -
3192
Characterization and structural modification of polysilsesquioxanes for low dielectric constant (k) applications in deep sub-micron devices
Published 2008“…A preliminary study on the thermal stability of different spin-on dielectrics (SODs) has been conducted and it is found that generally organic SODs exhibited lower thermal stability, both in terms of weight loss and the highest allowable temperature, compared to inorganic SODs. …”
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Thesis -
3193
Discrimination of dendrimer aggregates on mica based on adhesion force : a pulsed force mode atomic force microscopy study
Published 2012“…Two different types of aggregated polyphenylene dendrimer molecules, G2Td(COOH)16 and G4-Td, obtained by spin coating a dilute solution onto freshly cleaved mica surfaces, and their adhesion properties were measured by pulsed force mode (PFM) AFM. …”
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Journal Article -
3194
Droplet wetting and evaporation on hydrophilic and hydrophobic surfaces
Published 2020“…The droplets also experience contact line pinning-depinning during the CCA and mixed modes on patterned substrates. …”
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Final Year Project (FYP) -
3195
A variational master equation approach to quantum dynamics with off-diagonal coupling in a sub-Ohmic environment
Published 2016“…A master equation approach based on an optimized polaron transformation is adopted for dynamics simulation with simultaneous diagonal and off-diagonal spin-boson coupling. Two types of bath spectral density functions are considered, the Ohmic and the sub-Ohmic. …”
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Journal Article -
3196
Microsecond dark-exciton valley polarization memory in two-dimensional heterostructures
Published 2018“…Transition metal dichalcogenides have valley degree of freedom, which features optical selection rule and spin-valley locking, making them promising for valleytronics devices and quantum computation. …”
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Journal Article -
3197
Optical study of excitonic complexes in transition metal dichalcogenides monolayers
Published 2021“…The different energy splittings of the excitonic features in a magnetic field arise from several contributions, including spin magnetic moment, valley magnetic moment and atomic orbital magnetic moment. …”
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Thesis-Doctor of Philosophy -
3198
Electronic structure of topological quantum materials probed by angle-resolved photoelectron spectroscopy
Published 2017“…Graphene is predicted to be a quantum spin Hall insulator, but due to the weak spin-orbit coupling (SOC) of carbon, the predicted bulk energy gap at its Dirac point remains unresolved. …”
Thesis -
3199
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) -
3200
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