School of Physics: Recent submissions
Now showing items 141-160 of 2200
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Packing soft spheres: experimental demonstrations with hydrogels
(2023)We describe a number of different experimental set-ups that use hydrogel spheres to demonstrate dense packings of deformable spheres in various geometries. The arrangements are similar to those of bubbles in foams, ... -
Tuneable Piezoresistance of Graphene-Based 2d:2d Nanocomposite Networks
(2023)Piezoresistive nanocomposites are an important class of materials that allow the production of very sensitive strain sensors. Herein, a new class of piezoresistive nanocomposites prepared by mixing different types of 2D ... -
Unveiling Charge-Transport Mechanisms in Electronic Devices Based on Defect-Engineered MoS2 Covalent Networks
(2023)Device performance of solution-processed 2D semiconductors in printed electronics has been limited so far by structural defects and high interflake junction resistance. Covalently interconnected networks of transition metal ... -
Transparent Conductors Printed from Grids of Highly Conductive Silver Nanosheets
(2023)Transparent conductors (TCs) represent key components in many applications from optoelectronic devices to electromagnetic shielding. While commercial applications typically use thin films of indium tin oxide, this material ... -
Solution-Processed Heterojunction Photodiodes Based on WSe2 Nanosheet Networks
(2023)Solution-processed photodetectors incorporating liquid-phase-exfoliatedtransition metal dichalcogenide nanosheets are widely reported. However,previous studies mainly focus on the fabrication of photoconductors, ratherthan ... -
High Selectivity and Sensitivity in Chemiresistive Sensing of Co(II) Ions with Liquid-Phase Exfoliated Functionalized MoS2: A Supramolecular Approach
(2023)Chemical sensing of water contamination by heavy metal ions is key as it represents a most severe environmental problem. Liquid-phase exfoli-ated two-dimensional (2D) transition metal dichalcogenides (TMDs) are suitable ... -
Exfoliablity, magnetism, energy storage and stability of metal thiophosphate nanosheets made in liquid medium
(2023)The family of antiferromagnetic layered metal hexathiohypo diphosphates, M2P2S6 represents a versatile class of materials, particularly interesting for fundamental studies on magnetic properties in low dimensional structures, ... -
Additive Manufacturing of Li-Ion Batteries: A Comparative Study between Electrode Fabrication Processes
(2023)Additive manufacturing strategies are gaining more importance in the context of lithium-ion batteries. The rapid prototyping, reduced waste and complex 3D structures achievable are powerful and attractive tools that are ... -
3D Printing of Multifunctional Conductive Polymer Composite Hydrogels
(2023)Functional conductive hydrogels are widely used in various application scenarios, such as artificial skin, cell scaffolds, and implantable bioelectronics. However, their novel designs and technological innovations are ... -
Spectroscopic studies of on-surface synthesis of chiral graphene nanoribbons
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)The field of on-surface synthesis bridges physics, chemistry, material and surface science by combining the tunability of molecular materials, the advantages of self-assembly with the sturdiness of covalently bonded ... -
Quantifying Battery Rate Performance
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)The global energy demand is quickly increasing and sustainable energy solutions are needed to keep pace. Batteries have emerged as the premier energy storage solution for increasing the adoption of renewable energy sources, ... -
Characterisation of SemiconductorLasers for use as a Pump Source for Microresonators
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)Optical frequency combs (OFCs) were first developed in the 1990s, initially as a means to count the cycles from atomic clocks. They have since proved very useful as a tool for metrology, sensing and frequency synthesis. ... -
Evaluation of 3D Photogrammetry Tools for Applications in the Scanning Electron Microscope
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)3D models find application in a range of materials science areas, from fractography and failure studies to 3D printed metal topology. Atomic force microscopy (AFM) is commonly used for measuring surface topology, though ... -
A continuum description of the buckling of a line of spheres in a transverse harmonic confining potential
(2023)A line of contacting hard spheres, placed in a transverse confining potential, buckles under compression or when tilted away from the horizontal, once a critical tilt angle is exceeded. This interesting nonlinear problem ... -
Non-equilibrium transport properties of quasiperiodic models
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)The advances in the manipulation of ultracold atoms trapped by optical lattices has established this set-up as a promising analogue simulator of quantum Hamiltonians. The extended coherence times allow for the monitoring ... -
Improved Solar Thermal Technology For Decarbonising Residential Heating
(School of Physics, Physics, 2023)The field of solar energy harvesting has emerged over the last number of years as one with considerable scope to provide clean and renewable electricity and heat. Solar Thermal (ST) technology is vital to tackle the pressing ... -
Computational design of magnetic molecules and their environment using quantum chemistry, machine learning and multiscale simulations
(2022)Having served as playground for fundamental studies on the physics of d and f electrons for almost a century, magnetic molecules are today becoming increasingly important for technological applications, such as magnetic ... -
Stability maps for columnar structures
(2023)We have previously explored the hysteresis and reversibility of transitions between ordered packings of soft spheres of diameter d in cylindrical channels of diameter D [A. Mughal, J. Winkelmann, D. Weaire, S. Hutzler, ... -
Hard Spheres, Soap Bubbles, and Hydrogels in Research and Education
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)This thesis concerns various experiments using hard spheres, soap bubbles, hydrogel spheres, and soap films in which we will show these are suitable candidates for research and can be easily performed in universities, ... -
Optical Characterisation of Metallic and Biological Nanoparticles
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)Nanotechnology is a rapidly growing technology with applications that affect many industries in the global economy. Two such industries are optoelectronics and healthcare. With the increased demand for smaller, more ...