C. Samuel Craig
YOU?
Author Swipe
View article: The 2023 British Thoracic Society Guideline for Pleural Disease Update on Malignant Pleural Effusion
The 2023 British Thoracic Society Guideline for Pleural Disease Update on Malignant Pleural Effusion Open
The management of malignant pleural effusions (MPEs) has developed hugely since the publication of the management of an MPE: British Thoracic Society (BTS) Pleural Disease Guideline 2010. The presence of an MPE reflects advanced or metasta…
An analytical friction model for point contacts subject to boundary and mixed elastohydrodynamic lubrication Open
An analytical EHL model suitable for highly loaded point contacts operating in mixed and boundary regimes of lubrication is presented. The results are compared and validated with the experimental measurements of friction coefficient from a…
OT10.125 - Harvesting body temperature to power wearable systems using sputtered flexible thermoelectrics Open
Across the domain of Internet-of-Things sensors, a key factor which restricts the long-term operation of devices is energy. This restriction becomes especially prominent as the size of devices is decreased and flexibility is needed, for ex…
View article: Expanding the transmission window of visible-MWIR chalcogenide glasses by silicon nitride doping
Expanding the transmission window of visible-MWIR chalcogenide glasses by silicon nitride doping Open
Gallium Lanthanum sulphur-oxide (GLSO) glass is an excellent candidate for a window/dome material ought to its wideband transmission window from visible to MWIR. The suitable optical transmission from 0.45-8 microns is supplemented by its …
Multibody Dynamics of Cross Groove Constant Velocity Ball Joints for High Performance Racing Applications Open
Accurate prediction of constant velocity joint transient contact loading and complex kinematics is necessary to improve joint design and prevent incurring failure from rolling contact fatigue. A detailed multibody dynamic model is presente…
Color Tunable, Lithography-Free Refractory Metal–Oxide Metacoatings with a Graded Refractive Index Profile Open
The refractory metal-oxide semiconductors are an overlooked platform for nanophononics that offer alloys with high melting points and tunable optical constants through stoichiometry changes and ion intercalation. We show that these semicon…
Photo-Seebeck measurement of Bi-doped amorphous germanium telluride oxide film Open
Seebeck measurements of n-type amorphous germanium telluride thin films (100 nm) containing oxygen and implanted with Bismuth (Bi) have been studied under dark and monochromatic light conditions from 1800 to 400 nm. The Bi-doped film has a…
Analysis of a cross groove constant velocity joint mechanism designed for high performance racing conditions Open
Constant Velocity Joint (CVJ) mechanisms enable torque transmission between two shafts at a fixed or variable angle. Cross groove CVJs are typically used in high performance automotive applications due to their versatility and light weight…
Manufacturing of GLS-Se glass rods and structured preforms by extrusion for optical fiber drawing for the IR region Open
Chalcogenide glasses are amorphous solid materials formed from chalcogen elements bonding with metals to form typically in binary or tertiary compounds. One family of chalcogenide glasses, based on gallium and lanthanum sulphides, possesse…
GLS-Se optical fibre from extruded glass structured preforms and rods for the IR region Open
Depending on composition, chalcogenide glasses have been proven as a reliable medium to transmit light in the range from the visible to the long-wave infrared (LWIR), specialty glasses based on gallium lanthanum sulfide (GLS) with a seleni…
Giant Photoinduced Chirality in Thin Film Ge<sub>2</sub>Sb<sub>2</sub>Te<sub>5</sub> Open
Induction, tuning, or amplification of chirality in various classes of materials and probing their chiral response are subjects of growing research. Herein, a large chiral signal that is rapidly imprinted in achiral amorphous Ge 2 Sb 2 Te …
Radiation trapping in selected Er<sup>3+</sup> doped chalcogenide glasses and the extraction of the nonradiative lifetime Open
Radiation trapping (RT) is a phenomenon wherein photons are emitted, absorbed and re-emitted many times before they leave the volume of the material. Trivalent Er3+ ions are particularly prone to RT because there is a whole set of strongly…
View article: Chalcogenide materials and applications: from bulk to 2D (Invited Talk)
Chalcogenide materials and applications: from bulk to 2D (Invited Talk) Open
In this talk, we give an overview of our chalcogenide material and device capabilities and the applications they are driving, scaling from bulk glasses to two-dimensional films. Using a melt-quench technique, we routinely manufacture a fam…
View article: GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation
GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation Open
Using the ultrafast laser inscription technique, buried channel waveguides have been fabricated in gallium lanthanum sulfide and gallium lanthanum sulfide selenide glasses to demonstrate the suitability of the materials for supercontinuum …
Dataset for R2R thermoelectric journal paper Open
This dataset contains the data for figures and tables for the following paper published in to Scientific Reports: High-throughput sputtered flexible thermoelectric generators Katrina A. Morgan, Tian Tang, Ioannis Zeimpekis, Andrea Ravagli,…
Erbium-doped chalcogenide glass thin film on silicon using femtosecond pulsed laser with different deposition temperatures Open
The properties of Er3+- doped gallium lanthanum sulphide thin films prepared on a silicon substrate by femtosecond pulsed laser deposition were studied as a function of process temperature. The films were characterised using transition ele…
Erratum: “Cavity enhanced third harmonic generation in graphene” [Appl. Phys. Lett. <b>112</b>, 011102 (2018)] Open
In the paper "Cavity enhanced third harmonic generation in graphene," we reported third harmonic generation from a graphene-dielectric-metal cavity. Since the original publication, it has come to light that a rather severe error was made i…
High speed chalcogenide glass electrochemical metallization cells with various active metals Open
We fabricated electrochemical metallization cells using a GaLaSO solid electrolyte, an InSnO inactive electrode and active electrodes consisting of various metals (Cu, Ag, Fe, Cu, Mo, Al). Devices with Ag and Cu active metals showed consis…
Cavity enhanced third harmonic generation in graphene Open
Graphene displays a surprisingly large third order nonlinearity. Here, we report that conversion efficiencies approaching 10–4 are possible for third harmonic generation (THG). Moreover, the atomically thin nature of graphene allows for si…
Tuneable sputtered films by doping for wearable and flexible thermoelectrics Open
An efficient, flexible power supply is in demand for the billion dollar wearable market. Thermoelectrics (TE) are the ideal choice, utilising body heat to produce green, uninterrupted energy.Screen-printing, a complicated process requiring…
Optical, Thermal, and Mechanical Characterization of Ga<sub>2</sub>Se<sub>3</sub>‐Added GLS Glass Open
Gallium lanthanum sulfide glass (GLS) has been widely studied in the last 40 years for middle‐infrared applications. In this work, the results of the substitution of selenium for sulphur in GLS glass are described. The samples are prepared…
Dielectric and structural characterisation of chalcogenide glasses via terahertz time-domain spectroscopy Open
Terahertz time-domain spectroscopy (THz TDS) was used to investigate a series of chalcogenide glasses. In particular, the dielectric properties at terahertz frequencies were determined and correlated with the glass composition. The experim…
View article: Chemical vapor deposition and Van der Waals epitaxy for wafer-scale emerging 2D transition metal di-chalcogenides
Chemical vapor deposition and Van der Waals epitaxy for wafer-scale emerging 2D transition metal di-chalcogenides Open
Transition metal di-chalcogenides (TMDCs) such as MoS2, MoSe2, WS2 and WSe2 have become promising complimentary materials to graphene sharing many of its attributes. They may however offer properties that are unattainable in graphene, in p…