All Outputs (2069)

Thermally stable quantum Hall effect in a gated ferroelectric-graphene heterostructure (2023)
Journal Article
Dey, A., Cottam, N., Makarovskiy, O., Yan, W., Mišeikis, V., Coletti, C., …Patanè, A. (2023). Thermally stable quantum Hall effect in a gated ferroelectric-graphene heterostructure. Communications Physics, 6, Article 216. https://doi.org/10.1038/s42005-023-01340-8

The quantum Hall effect is widely used for the investigation of fundamental phenomena, ranging from topological phases to composite fermions. In particular, the discovery of a room temperature resistance quantum in graphene is significant for compact... Read More about Thermally stable quantum Hall effect in a gated ferroelectric-graphene heterostructure.

Self-metalation of tetraphenyl porphyrin on Au(111): Structural characterisation via X-ray standing wave analysis (2023)
Journal Article
Frampton, E. S., Edmondson, M., Judd, C. J., Duncan, D. A., Jones, R. G., & Saywell, A. (2023). Self-metalation of tetraphenyl porphyrin on Au(111): Structural characterisation via X-ray standing wave analysis. Inorganica Chimica Acta, 558, Article 121718. https://doi.org/10.1016/j.ica.2023.121718

The study of surface-confined reactions provides a route towards characterising the mechanistic processes which underpin heterogeneous catalysis. On-surface reactions provide alternative pathways to solution phase synthesis, and can be studied by a r... Read More about Self-metalation of tetraphenyl porphyrin on Au(111): Structural characterisation via X-ray standing wave analysis.

Uncooled mid-wavelength InAsSb/AlAsSb heterojunction photodetectors (2023)
Journal Article
Kim, Y., Alotaibi, S., Henini, M., Chun, B. S., & Lee, S. J. (2023). Uncooled mid-wavelength InAsSb/AlAsSb heterojunction photodetectors. APL Materials, 11(8), Article 081104. https://doi.org/10.1063/5.0157112

A mid-wavelength p–B–i–n infrared photodetector constituting ternary alloys of an InAs0.9Sb0.1 absorber and an AlAs0.05Sb0.95 electron barrier was demonstrated to operate at room temperature. The results of high-resolution x-ray diffraction (XRD) ana... Read More about Uncooled mid-wavelength InAsSb/AlAsSb heterojunction photodetectors.

The co-evolution of strong AGN and central galaxies in different environments (2023)
Journal Article
Sampaio, V. M., Aragón-Salamanca, A., Merrifield, M. R., De Carvalho, R. R., Zhou, S., & Ferreras, I. (2023). The co-evolution of strong AGN and central galaxies in different environments. Monthly Notices of the Royal Astronomical Society, 524(4), 5327–5339. https://doi.org/10.1093/mnras/stad2211

We exploit a sample of 80 000 Sloan Digital Sky Survey central galaxies to investigate the effect of active galactic nucleus (AGN) feedback on their evolution. We trace the demographics of optically selected AGN (Seyferts) as a function of their inte... Read More about The co-evolution of strong AGN and central galaxies in different environments.

The probability of identifying the cosmic web environment of galaxies around clusters motivated by the Weave Wide Field Cluster Survey (2023)
Journal Article
Cornwell, D. J., Aragón-Salamanca, A., Kuchner, U., Gray, M. E., Pearce, F. R., & Knebe, A. (2023). The probability of identifying the cosmic web environment of galaxies around clusters motivated by the Weave Wide Field Cluster Survey. Monthly Notices of the Royal Astronomical Society, 524(2), 2148–2160. https://doi.org/10.1093/mnras/stad1949

Upcoming wide-field spectroscopic surveys will observe galaxies in a range of cosmic web environments in and around galaxy clusters. In this paper, we test and quantify how successfully we will be able to identify the environment of individual galaxi... Read More about The probability of identifying the cosmic web environment of galaxies around clusters motivated by the Weave Wide Field Cluster Survey.

Measuring chemical exchange saturation transfer exchange rates in the human brain using a particle swarm optimisation algorithm (2023)
Journal Article
Carradus, A. J., Bradley, J. M., Gowland, P. A., & Mougin, O. E. (2023). Measuring chemical exchange saturation transfer exchange rates in the human brain using a particle swarm optimisation algorithm. NMR in Biomedicine, 36(11), Article e5001. https://doi.org/10.1002/nbm.5001

The z‐spectrum contains many pools with different exchange rates and T 2 values, which can make it difficult to interpret in vivo data and complicates the design of experiments aimed at providing sensitivity to one pool. This work aims to characteris... Read More about Measuring chemical exchange saturation transfer exchange rates in the human brain using a particle swarm optimisation algorithm.

Detecting the H I power spectrum in the post-reionization Universe with SKA-Low (2023)
Journal Article
Chen, Z., Chapman, E., Wolz, L., & Mazumder, A. (2023). Detecting the H I power spectrum in the post-reionization Universe with SKA-Low. Monthly Notices of the Royal Astronomical Society, 524(3), 3724-3740. https://doi.org/10.1093/mnras/stad2102

We present a survey strategy to detect the neutral hydrogen (H I) power spectrum at 5 < z < 6 using the SKA-Low radio telescope in presence of foregrounds and instrumental effects. We simulate observations of the inherently weak H I signal post-reion... Read More about Detecting the H I power spectrum in the post-reionization Universe with SKA-Low.

Randomised trial comparing standard versus thermocontrolled haemodialysis using intradialytic cardiac, brain and renal magnetic resonance imaging (2023)
Journal Article
Gullapudi, V. R. L., Cox, E. F., Buchanan, C. E., Canaud, B., White, K., Taal, M. W., …Francis, S. T. (2024). Randomised trial comparing standard versus thermocontrolled haemodialysis using intradialytic cardiac, brain and renal magnetic resonance imaging. Nephrology Dialysis Transplantation, 39(2), 233–241. https://doi.org/10.1093/ndt/gfad150

Background Ischaemic end-organ damage during haemodialysis (HD) is a significant problem that may be ameliorated by intradialytic cooling. A randomised trial was performed to compare standard HD (SHD; dialysate temperature 37°C) and programmed cooli... Read More about Randomised trial comparing standard versus thermocontrolled haemodialysis using intradialytic cardiac, brain and renal magnetic resonance imaging.

Benchtop magnetic shielding for benchmarking atomic magnetometers (2023)
Journal Article
Hobson, P. J., Holmes, N., Patel, P., Styles, B., Chalmers, J., Morley, C., …Fromhold, M. (2023). Benchtop magnetic shielding for benchmarking atomic magnetometers. IEEE Transactions on Instrumentation and Measurement, 72, Article 6007309. https://doi.org/10.1109/tim.2023.3293540

Here, a benchtop hybrid magnetic shield containing four mumetal cylinders and nine internal flexible printed circuit boards is designed, constructed, tested, and operated. The shield is designed specifically as a test-bed for building and operating u... Read More about Benchtop magnetic shielding for benchmarking atomic magnetometers.

Modelling uncertainties in wide binary constraints on primordial black holes (2023)
Journal Article
Tyler, E., Green, A. M., & Goodwin, S. P. (2023). Modelling uncertainties in wide binary constraints on primordial black holes. Monthly Notices of the Royal Astronomical Society, 524(2), 3052–3059. https://doi.org/10.1093/mnras/stad2028

Dark matter in the form of compact objects with mass Mco ≳ 10 M⊙ can be constrained by its dynamical effects on wide binary stars. Motivated by the recent interest in primordial black hole dark matter, we revisit the theoretical modelling involved in... Read More about Modelling uncertainties in wide binary constraints on primordial black holes.

Thermodynamics of permutation-invariant quantum many-body systems: A group-theoretical framework (2023)
Journal Article
Yadin, B., Morris, B., & Brandner, K. (2023). Thermodynamics of permutation-invariant quantum many-body systems: A group-theoretical framework. Physical Review Research, 5(3), Article 033018. https://doi.org/10.1103/physrevresearch.5.033018

Quantum systems of indistinguishable particles are commonly described using the formalism of second quantization, which relies on the assumption that any admissible quantum state must be either symmetric or antisymmetric under particle permutations.... Read More about Thermodynamics of permutation-invariant quantum many-body systems: A group-theoretical framework.

High-Fidelity Interconversion between Greenberger-Horne-Zeilinger and W States through Floquet-Lindblad Engineering in Rydberg Atom Arrays (2023)
Journal Article
Shao, X. Q., Liu, F., Xue, X. W., Mu, W. L., & Li, W. (2023). High-Fidelity Interconversion between Greenberger-Horne-Zeilinger and W States through Floquet-Lindblad Engineering in Rydberg Atom Arrays. Physical Review Applied, 20(1), https://doi.org/10.1103/PhysRevApplied.20.014014

Greenberger-Horne-Zeilinger and W states feature genuine tripartite entanglement that cannot be converted into each other by local operations and classical communication. Here, we present a dissipative protocol for deterministic interconversion betwe... Read More about High-Fidelity Interconversion between Greenberger-Horne-Zeilinger and W States through Floquet-Lindblad Engineering in Rydberg Atom Arrays.

Adsorption structure of iron phthalocyanine and titanyl phthalocyanine on Cu(1 1 1) (2023)
Journal Article
Stoodley, M. A., Klein, B. P., Clarke, M., Williams, L. B., Rochford, L. A., Ferrer, P., …Duncan, D. A. (2023). Adsorption structure of iron phthalocyanine and titanyl phthalocyanine on Cu(1 1 1). Inorganica Chimica Acta, 557, Article 121679. https://doi.org/10.1016/j.ica.2023.121679

The adsorption structure of iron phthalocyanine (FePc) and titanyl phthalocyanine (TiOPc) was studied by a combination of near edge X-ray absorption fine structure (NEXAFS) spectroscopy and normal incidence X-ray standing waves (NIXSW) technique. The... Read More about Adsorption structure of iron phthalocyanine and titanyl phthalocyanine on Cu(1 1 1).

Optical response of green synthesized thin Cr2O3 films prepared via drop and spin coatings (2023)
Journal Article
Tsegay, M., Gebretinsae, H., Welegergs, G., Azizi, S., Seopela, M., Henini, M., …Nuru, Z. (2023). Optical response of green synthesized thin Cr2O3 films prepared via drop and spin coatings. Materials Today: Proceedings, https://doi.org/10.1016/j.matpr.2023.06.225

This study investigated the impact of optical bandgap energy on the optical constants of Cr2O3 thin films, which were prepared via green synthesis method and deposited using drop and spin-coatings at 600, 800, 1000, and 1200 rpm onto Cu substrates. T... Read More about Optical response of green synthesized thin Cr2O3 films prepared via drop and spin coatings.

An Iterative Implementation of the Signal Space Separation Method for Magnetoencephalography Systems with Low Channel Counts (2023)
Journal Article
Holmes, N., Bowtell, R., Brookes, M. J., & Taulu, S. (2023). An Iterative Implementation of the Signal Space Separation Method for Magnetoencephalography Systems with Low Channel Counts. Sensors, 23(14), Article 6537. https://doi.org/10.3390/s23146537

The signal space separation (SSS) method is routinely employed in the analysis of multichannel magnetic field recordings (such as magnetoencephalography (MEG) data). In the SSS method, signal vectors are posed as a multipole expansion of the magnetic... Read More about An Iterative Implementation of the Signal Space Separation Method for Magnetoencephalography Systems with Low Channel Counts.

Clockwork cosmology (2023)
Journal Article
Wood, K., Saffin, P. M., & Avgoustidis, A. (2023). Clockwork cosmology. Journal of Cosmology and Astroparticle Physics, 2023(07), Article 062. https://doi.org/10.1088/1475-7516/2023/07/062

The higher order generalisation of the clockwork mechanism to gravitational interactions provides a means to generate an exponentially suppressed coupling to matter from a fundamental theory of multiple interacting gravitons, without introducing larg... Read More about Clockwork cosmology.

The graviton four-point function in de Sitter space (2023)
Journal Article
Bonifacio, J., Goodhew, H., Joyce, A., Pajer, E., & Stefanyszyn, D. (2023). The graviton four-point function in de Sitter space. Journal of High Energy Physics, 2023(6), Article 212. https://doi.org/10.1007/jhep06%282023%29212

We compute the tree-level late-time graviton four-point correlation function, and the related quartic wavefunction coefficient, for Einstein gravity in de Sitter spacetime. We derive this result in several ways: by direct calculation, using the in-in... Read More about The graviton four-point function in de Sitter space.

Graphene nanoribbons with hBN passivated edges grown by high-temperature molecular beam epitaxy (2023)
Journal Article
Bradford, J., Cheng, T. S., James, T. S., Khlobystov, A. N., Mellor, C. J., Watanabe, K., …Beton, P. H. (2023). Graphene nanoribbons with hBN passivated edges grown by high-temperature molecular beam epitaxy. 2D Materials, 10(3), Article 035035. https://doi.org/10.1088/2053-1583/acdefc

Integration of graphene and hexagonal boron nitride (hBN) in lateral heterostructures has provided a route to broadly engineer the material properties by quantum confinement of electrons or introduction of novel electronic and magnetic states at the... Read More about Graphene nanoribbons with hBN passivated edges grown by high-temperature molecular beam epitaxy.

On the nature of majority and minority traps in β-Ga2O3: A review (2023)
Journal Article
Madani, L., Nouredine, S., Prasad, C. V., Mohamed, H., & Rim, Y. S. (2023). On the nature of majority and minority traps in β-Ga2O3: A review. Materials Today Physics, 36, Article 101155. https://doi.org/10.1016/j.mtphys.2023.101155

In the last decade, researchers and commercial companies have paid great attention to ultrawide bandgap semiconductors especially gallium oxide (Ga2O3). Ga2O3 has very interesting properties such as a bandgap higher than 4.8 eV, high electrical break... Read More about On the nature of majority and minority traps in β-Ga2O3: A review.

Direct synthesis of sodium doped Cu2O/GO nanocomposites for catalytic hydrogen production from NaBH4 (2023)
Journal Article
Alshammari, K., Alhassan, S., Alshammari, A. H., Alotaibi, T., Alshammari, M., Taha, T. A. M., …Henini, M. (2023). Direct synthesis of sodium doped Cu2O/GO nanocomposites for catalytic hydrogen production from NaBH4. Diamond and Related Materials, 137, Article 110148. https://doi.org/10.1016/j.diamond.2023.110148

In this work, Cu2O/GO doped Na nanocomposites were prepared via sol-gel auto-combustion procedure. The material structure was analysed using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and environmental scanning electron m... Read More about Direct synthesis of sodium doped Cu2O/GO nanocomposites for catalytic hydrogen production from NaBH4.