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Outputs (109)

Bi2CoO2F4 – a polar, ferrimagnetic Aurivillius oxide-fluoride (2022)
Journal Article
Scott, E. A., Mitoudi Vagourdei, E., Johnsson, M., Cascos, V., John, F., Pickup, D., …McCabe, E. (2022). Bi2CoO2F4 – a polar, ferrimagnetic Aurivillius oxide-fluoride. Chemistry of Materials, 34(21), 9775-9785. https://doi.org/10.1021/acs.chemmater.2c02745

Aurivillius oxides have been a research focus due to their ferroelectric properties, but by replacing oxide ions by fluoride, divalent magnetic cations can be introduced, giving Bi2MO2F4 (M = Fe, Co, and Ni). Our combined experimental and computation... Read More about Bi2CoO2F4 – a polar, ferrimagnetic Aurivillius oxide-fluoride.

Joint machine learning analysis of muon spectroscopy data from different materials (2022)
Journal Article
Tula, T., Möller, G., Quintanilla, J., Giblin, S., Hillier, A., McCabe, E., …Gibson, S. (2022). Joint machine learning analysis of muon spectroscopy data from different materials. Journal of Physics: Conference Series, 2164, Article 012018. https://doi.org/10.1088/1742-6596/2164/1/012018

Machine learning (ML) methods have proved to be a very successful tool in physical sciences, especially when applied to experimental data analysis. Artificial intelligence is particularly good at recognizing patterns in high dimensional data, where i... Read More about Joint machine learning analysis of muon spectroscopy data from different materials.

In Situ Self‐Assembly of Nanoscale Particles into Macroscale Ordered Monolayers with Enhanced Memory Performance (2022)
Journal Article
Li, W., Sun, K., Yang, L., Mao, X., Deng, S., Jiang, H., …Zhu, J. (2023). In Situ Self‐Assembly of Nanoscale Particles into Macroscale Ordered Monolayers with Enhanced Memory Performance. Small, 29(11), Article 2207468. https://doi.org/10.1002/smll.202207468

In situ fabrication of macroscale ordered monolayers of nanoparticles (NPs) on targeted substrates is highly desirable for precision electronic and optical devices, while it remains a great challenge. In this study, a solution is provided to address... Read More about In Situ Self‐Assembly of Nanoscale Particles into Macroscale Ordered Monolayers with Enhanced Memory Performance.

Coherent electron Compton scattering and the non-diagonal electron momentum density of solids (2022)
Journal Article
Mendis, B. (2023). Coherent electron Compton scattering and the non-diagonal electron momentum density of solids. Ultramicroscopy, 245, https://doi.org/10.1016/j.ultramic.2022.113664

Experimental techniques that probe the electronic structure of crystalline solids are vital for exploring novel condensed matter phenomena. In coherent Compton scattering the Compton signal due to interference of an incident and Bragg diffracted beam... Read More about Coherent electron Compton scattering and the non-diagonal electron momentum density of solids.

Bullseye Analysis: A Fluorescence Microscopy Technique to Detect Local Changes in Intracellular Reactive Oxygen Species (ROS) Production (2022)
Journal Article
Hughes, J. G., Chisholm, D. R., Whiting, A., Girkin, J. M., & Ambler, C. A. (2023). Bullseye Analysis: A Fluorescence Microscopy Technique to Detect Local Changes in Intracellular Reactive Oxygen Species (ROS) Production. Microscopy and Microanalysis, 29(2), 529-539. https://doi.org/10.1093/micmic/ozac040

Reactive oxygen species (ROS) are naturally produced compounds that play important roles in cell signaling, gene regulation, and biological defense, including involvement in the oxidative burst that is central to the anti-microbial actions of macroph... Read More about Bullseye Analysis: A Fluorescence Microscopy Technique to Detect Local Changes in Intracellular Reactive Oxygen Species (ROS) Production.

Scratching beyond the surface — minimal actin assemblies as tools to elucidate mechanical reinforcement and shape change (2022)
Journal Article
Aufderhorst-Roberts, A., & Staykova, M. (2022). Scratching beyond the surface — minimal actin assemblies as tools to elucidate mechanical reinforcement and shape change. Emerging Topics in Life Sciences, 6(6), 583-592. https://doi.org/10.1042/etls20220052

The interaction between the actin cytoskeleton and the plasma membrane in eukaryotic cells is integral to a large number of functions such as shape change, mechanical reinforcement and contraction. These phenomena are driven by the architectural regu... Read More about Scratching beyond the surface — minimal actin assemblies as tools to elucidate mechanical reinforcement and shape change.

Zinc Phthalocyanine Sensing Mechanism Quantification for Potential Application in Chemical Warfare Agent Detectors (2022)
Journal Article
Powroźnik, P., Solecka, B., Pander, P., Jakubik, W., Dias, F. B., & Krzywiecki, M. (2022). Zinc Phthalocyanine Sensing Mechanism Quantification for Potential Application in Chemical Warfare Agent Detectors. Sensors, 22(24), Article 9947. https://doi.org/10.3390/s22249947

Rapid and accurate detection of lethal volatile compounds is an emerging requirement to ensure the security of the current and future society. Since the threats are becoming more complex, the assurance of future sensing devices’ performance can be ob... Read More about Zinc Phthalocyanine Sensing Mechanism Quantification for Potential Application in Chemical Warfare Agent Detectors.

Fine‐Tuning the Photophysics of Donor‐Acceptor (D‐A 3 ) Thermally Activated Delayed Fluorescence Emitters Using Isomerisation (2022)
Journal Article
L. dos Santos, P., de Sa Pereira, D., Eng, J., Ward, J. S., Bryce, M. R., Penfold, T. J., & Monkman, A. P. (2023). Fine‐Tuning the Photophysics of Donor‐Acceptor (D‐A 3 ) Thermally Activated Delayed Fluorescence Emitters Using Isomerisation. ChemPhotoChem, 7(2), Article e202200248. https://doi.org/10.1002/cptc.202200248

Here two D–A3 regioisomers, comprising three dibenzothiophene-S,S-dioxide acceptor units attached to a central triazatruxene core, are studied. Both molecules show thermally activated delayed fluorescence (TADF), however, the efficiency of the TADF m... Read More about Fine‐Tuning the Photophysics of Donor‐Acceptor (D‐A 3 ) Thermally Activated Delayed Fluorescence Emitters Using Isomerisation.

Cryo‐EM structure of the octameric pore of Clostridium perfringens β‐toxin (2022)
Journal Article
Bruggisser, J., Iacovache, I., Musson, S. C., Degiacomi, M. T., Posthaus, H., & Zuber, B. (2022). Cryo‐EM structure of the octameric pore of Clostridium perfringens β‐toxin. EMBO Reports, 23(12), Article e54856. https://doi.org/10.15252/embr.202254856

Clostridium perfringens is one of the most widely distributed and successful pathogens producing an impressive arsenal of toxins. One of the most potent toxins produced is the C. perfringens β-toxin (CPB). This toxin is the main virulence factor of t... Read More about Cryo‐EM structure of the octameric pore of Clostridium perfringens β‐toxin.

Enhanced skyrmion metastability under applied strain in FeGe (2022)
Journal Article
Littlehales, M., Turnbull, L., Wilson, M., Birch, M., Popescu, H., Jaouen, N., …Hatton, P. (2022). Enhanced skyrmion metastability under applied strain in FeGe. Physical Review B, 106(21), Article 214434. https://doi.org/10.1103/physrevb.106.214434

Mechanical straining of skyrmion hosting materials has previously demonstrated increased phase stability through the expansion of the skyrmion equilibrium pocket. Additionally, metastable skyrmions can be generated via rapid field cooling to form sig... Read More about Enhanced skyrmion metastability under applied strain in FeGe.

Towards Electron Energy Loss Compton Spectra Free From Dynamical Diffraction Artifacts (2022)
Journal Article
Mendis, B. G., & Talmantaite, A. (2022). Towards Electron Energy Loss Compton Spectra Free From Dynamical Diffraction Artifacts. Microscopy and Microanalysis, 28(6), 1971–1980. https://doi.org/10.1017/s1431927622012223

The Compton signal in electron energy loss spectroscopy (EELS) is used to determine the projected electron momentum density of states for the solid. A frequent limitation however is the strong dynamical scattering of the incident electron beam within... Read More about Towards Electron Energy Loss Compton Spectra Free From Dynamical Diffraction Artifacts.

Integrated fiber optic spectrally resolved downwelling irradiance sensor for pushbroom spectrometers (2022)
Journal Article
Graham, C., Girkin, J. M., & Bourgenot, C. (2022). Integrated fiber optic spectrally resolved downwelling irradiance sensor for pushbroom spectrometers. Optics Express, 30(25), 45592-45598. https://doi.org/10.1364/oe.477699

We present an integrated fiber optic spectrally resolved downwelling irradiance sensor for pushbroom hyperspectral imagers. The system comprises of a cosine corrector and custom fiber patch cables, collecting the ambient light in a large solid angle... Read More about Integrated fiber optic spectrally resolved downwelling irradiance sensor for pushbroom spectrometers.

A reappraisal of explosive–effusive silicic eruption dynamics: syn-eruptive assembly of lava from the products of cryptic fragmentation (2022)
Journal Article
Wadsworth, F. B., Llewellin, E. W., Castro, J. M., Tuffen, H., Schipper, C. I., Gardner, J. E., …Whattam, J. (2022). A reappraisal of explosive–effusive silicic eruption dynamics: syn-eruptive assembly of lava from the products of cryptic fragmentation. Journal of Volcanology and Geothermal Research, 432, https://doi.org/10.1016/j.jvolgeores.2022.107672

Silicic volcanic eruptions range in style from gently effusive to highly explosive, and may switch style unpredictably during a single eruption. Direct observations of subaerial rhyolitic eruptions (Chaiten 2008, Cordón Caulle 2011–2012, Chile) chall... Read More about A reappraisal of explosive–effusive silicic eruption dynamics: syn-eruptive assembly of lava from the products of cryptic fragmentation.

Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X (2022)
Journal Article
Salthouse, R. J., Pander, P., Yufit, D. S., Dias, F. B., & Williams, J. G. (2022). Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X. Chemical Science, 13(45), 13600-13610. https://doi.org/10.1039/d2sc05023d

We present a study of aggregate excited states formed by complexes of the type Pt(N^C^N)X, where N^C^N represents a tridentate cyclometallating ligand, and X = SCN or I. These materials display near-infrared (NIR) photoluminescence in film and electr... Read More about Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X.

Simulating anti-skyrmions on a lattice (2022)
Journal Article
Criado, J. C., Schenk, S., Spannowsky, M., Hatton, P. D., & Turnbull, L. (2022). Simulating anti-skyrmions on a lattice. Scientific Reports, 12, Article 19179. https://doi.org/10.1038/s41598-022-22043-0

Magnetic skyrmions are topological spin structures that naturally emerge in magnetic materials. While a vast amount of effort has gone into the study of their properties, their counterpart of opposite topological charge, the anti-skyrmion, has not re... Read More about Simulating anti-skyrmions on a lattice.

Structure and electronic properties of domain walls and stacking fault defects in prospective photoferroic materials bournonite and enargite (2022)
Journal Article
Rigby, O., Richards-Hlabangana, T., Ramasse, Q., MacLaren, I., Lomas-Zapata, R., Rumsey, M., …Mendis, B. (2022). Structure and electronic properties of domain walls and stacking fault defects in prospective photoferroic materials bournonite and enargite. Journal of Applied Physics, 132(18), Article 185001. https://doi.org/10.1063/5.0095091

Bournonite (CuPbSbS3) and enargite (Cu3AsS4) have recently been used as absorber layers in thin-film photovoltaic devices due to their ideal bandgap and ferroelectric properties. An understanding of the ferroelectric domain structure in these materia... Read More about Structure and electronic properties of domain walls and stacking fault defects in prospective photoferroic materials bournonite and enargite.

Photocatalytic and Photocurrent Responses to Visible Light of the Lone-Pair-Based Oxysulfide Sr6Cd2Sb6S10O7 (2022)
Journal Article
Al Bacha, S., Saitzek, S., McCabe, E. E., & Kabbour, H. (2022). Photocatalytic and Photocurrent Responses to Visible Light of the Lone-Pair-Based Oxysulfide Sr6Cd2Sb6S10O7. Inorganic Chemistry, 61(46), 18611-18621. https://doi.org/10.1021/acs.inorgchem.2c03040

We present a combined experimental and computational study on the recently reported oxysulfide Sr6Cd2Sb6S10O7. Our spectroscopy and photoelectrochemical measurements and tests for photocatalytic activity indicate the potential of Sr6Cd2Sb6S10O7 for p... Read More about Photocatalytic and Photocurrent Responses to Visible Light of the Lone-Pair-Based Oxysulfide Sr6Cd2Sb6S10O7.

Three-dimensional printed liquid diodes with tunable velocity: Design guidelines and applications for liquid collection and transport (2022)
Journal Article
Sammartino, C., Rennick, M., Kusumaatmaja, H., & Pinchasik, B. (2022). Three-dimensional printed liquid diodes with tunable velocity: Design guidelines and applications for liquid collection and transport. Physics of Fluids, 34(11), https://doi.org/10.1063/5.0122281

Directional and self-propelled flow in open channels has a variety of applications, including microfluidic and medical devices, industrial filtration processes, fog-harvesting, and condensing apparatuses. Here, we present versatile three-dimensional-... Read More about Three-dimensional printed liquid diodes with tunable velocity: Design guidelines and applications for liquid collection and transport.

Modeling the dynamics of partially wetting droplets on fibers (2022)
Journal Article
Christianto, R., Rahmawan, Y., Semprebon, C., & Kusumaatmaja, H. (2022). Modeling the dynamics of partially wetting droplets on fibers. Physical Review Fluids, 7(10), Article 103606. https://doi.org/10.1103/physrevfluids.7.103606

We simulate gravity-driven dynamics of partially wetting droplets moving along a fiber using the lattice Boltzmann method. For the so-called clamshell morphology, we find three possible dynamic regimes upon varying the droplet Bond number and the fib... Read More about Modeling the dynamics of partially wetting droplets on fibers.