Optical properties of self-assembled InAs quantum dots based P–I–N structures grown on GaAs and Si substrates by Molecular Beam Epitaxy

Al Huwayz, M.; Galeti, H.V.A.; Lemine, O. M.; Ibnaouf, K. H.; Alkaoud, A.; Alaskar, Y.; Salhi, A.; Alhassan, S.; Alotaibi, S.; Almalki, A.; Almunyif, A.; Alhassni, A.; Jameel, D. A.; Gobato, Y. Galvão; Henini, M.

doi:10.1016/j.jlumin.2022.119155

Anodic Sb2S3 Electrodeposition from a Single Source Precursor for Resistive Random-Access Memory Devices (2022)
Journal Article
Wallace, A. G., King, R. P., Zhelev, N., Jaafar, A. H., Levason, W., Huang, R., …Bartlett, P. N. (2022). Anodic Sb2S3 Electrodeposition from a Single Source Precursor for Resistive Random-Access Memory Devices. Electrochimica Acta, 432, Article 141162. https://doi.org/10.1016/j.electacta.2022.141162

In this paper we report the use of Na3[SbS4].9H2O as a single source precursor for the electrodeposition of Sb2S3 from aqueous electrolyte at pH 9.1. We present the electrochemistry of the [SbS4]3− anion and the redox processes observed for the depos... Read More about Anodic Sb2S3 Electrodeposition from a Single Source Precursor for Resistive Random-Access Memory Devices.

Subradiant edge states in an atom chain with waveguide-mediated hopping (2022)
Journal Article
McDonnell, C., & Olmos, B. (2022). Subradiant edge states in an atom chain with waveguide-mediated hopping. Quantum, 6, 805. https://doi.org/10.22331/Q-2022-09-15-805

We analyze the topological and dynamical properties of a system formed by two chains of identical emitters coupled to a waveguide, whose guided modes induce all-to-all excitation hopping. We find that, in the single excitation limit, the bulk topolog... Read More about Subradiant edge states in an atom chain with waveguide-mediated hopping.

Deep learning-based super-resolution and de-noising for XMM-newton images (2022)
Journal Article
Sweere, S. F., Valtchanov, I., Lieu, M., Vojtekova, A., Verdugo, E., Santos-Lleo, M., …Cámpora Pérez, D. (2022). Deep learning-based super-resolution and de-noising for XMM-newton images. Monthly Notices of the Royal Astronomical Society, 517(3), 4054-4069. https://doi.org/10.1093/mnras/stac2437

The field of artificial intelligence based image enhancement has been rapidly evolving over the last few years and is able to produce impressive results on non-astronomical images. In this work, we present the first application of Machine Learning ba... Read More about Deep learning-based super-resolution and de-noising for XMM-newton images.

Van der Waals interfaces in multilayer junctions for ultraviolet photodetection (2022)
Journal Article
Xie, S., Shiffa, M., Shiffa, M., Kudrynskyi, Z. R., Makarovskiy, O., Kovalyuk, Z. D., …Patanè, A. (2022). Van der Waals interfaces in multilayer junctions for ultraviolet photodetection. npj 2D Materials and Applications, 6(1), Article 61. https://doi.org/10.1038/s41699-022-00338-0

Developments in semiconductor science have led to the miniaturization and improvement of light detection technologies for many applications. However, traditional pn-junctions or three-dimensional device geometries for detection of ultraviolet (UV) li... Read More about Van der Waals interfaces in multilayer junctions for ultraviolet photodetection.

Global and Regional Structural Differences and Prediction of Autistic Traits during Adolescence (2022)
Journal Article
Nees, F., Banaschewski, T., Bokde, A. L. W., Desrivières, S., Grigis, A., Garavan, H., …on behalf of the IMAGEN Consortium. (2022). Global and Regional Structural Differences and Prediction of Autistic Traits during Adolescence. Brain Sciences, 12(9), Article 1187. https://doi.org/10.3390/brainsci12091187

Background: Autistic traits are commonly viewed as dimensional in nature, and as continuously distributed in the general population. In this respect, the identification of predictive values of markers such as subtle autism-related alterations in brai... Read More about Global and Regional Structural Differences and Prediction of Autistic Traits during Adolescence.

Photo-engineered optoelectronic properties of indium tin oxide via reactive laser annealing (2022)
Journal Article
Hillier, J. A., Patsalas, P., Karfaridis, D., Camelio, S., Cranton, W., Nabok, A. V., …Kalfagiannis, N. (2022). Photo-engineered optoelectronic properties of indium tin oxide via reactive laser annealing. Scientific Reports, 12, Article 14986. https://doi.org/10.1038/s41598-022-18883-5

Transparent conductive oxides are appealing materials for optoelectronic and plasmonic applications as, amongst other advantages, their properties can be modulated by engineering their defects. Optimisation of this adjustment is, however, a complex d... Read More about Photo-engineered optoelectronic properties of indium tin oxide via reactive laser annealing.

CMB constraints on monodromy inflation at strong coupling (2022)
Journal Article
Copeland, E. J., Cunillera, F., Moss, A., & Padilla, A. (2022). CMB constraints on monodromy inflation at strong coupling. Journal of Cosmology and Astroparticle Physics, 2022(09), Article 080. https://doi.org/10.1088/1475-7516/2022/09/080

We carry out a thorough numerical examination of field theory monodromy inflation at strong coupling. We perform an MCMC analysis using a Gaussian likelihood, fitting multiparameter models using CMB constraints on the spectral index and the tensor to... Read More about CMB constraints on monodromy inflation at strong coupling.

Signatures of a quantum stabilized fluctuating phase and critical dynamics in a kinetically constrained open many-body system with two absorbing states (2022)
Journal Article
Carollo, F., Gnann, M., Perfetto, G., & Lesanovsky, I. (2022). Signatures of a quantum stabilized fluctuating phase and critical dynamics in a kinetically constrained open many-body system with two absorbing states. Physical Review B, 106(9), Article 094315. https://doi.org/10.1103/PhysRevB.106.094315

We introduce and investigate an open many-body quantum system in which kinetically constrained coherent and dissipative processes compete. The form of the incoherent dissipative dynamics is inspired by that of epidemic spreading or cellular-automaton... Read More about Signatures of a quantum stabilized fluctuating phase and critical dynamics in a kinetically constrained open many-body system with two absorbing states.

Fast Event-Related Mapping of Population Fingertip Tuning Properties in Human Sensorimotor Cortex at 7T (2022)
Journal Article
Khalife, S., Francis, S. T., Schluppeck, D., Sánchez-Panchuelo, R. M., & Besle, J. (2022). Fast Event-Related Mapping of Population Fingertip Tuning Properties in Human Sensorimotor Cortex at 7T. eNeuro, 9(5), 1-18. https://doi.org/10.1523/ENEURO.0069-22.2022

fMRI studies that investigate somatotopic tactile representations in the human cortex typically use either block or phase-encoded stimulation designs. Event-related (ER) designs allow for more flexible and unpredictable stimulation sequences than the... Read More about Fast Event-Related Mapping of Population Fingertip Tuning Properties in Human Sensorimotor Cortex at 7T.

Decreased renal perfusion during acute kidney injury in critical COVID-19 assessed by magnetic resonance imaging: a prospective case control study (2022)
Journal Article
Luther, T., Eckerbom, P., Cox, E., Lipcsey, M., Bülow, S., Hultström, M., …Liss, P. (2022). Decreased renal perfusion during acute kidney injury in critical COVID-19 assessed by magnetic resonance imaging: a prospective case control study. Critical Care, 26(1), 262. https://doi.org/10.1186/s13054-022-04132-8

Abstract: Background: Renal hypoperfusion has been suggested to contribute to the development of acute kidney injury (AKI) in critical COVID-19. However, limited data exist to support this. We aim to investigate the differences in renal perfusion, ox... Read More about Decreased renal perfusion during acute kidney injury in critical COVID-19 assessed by magnetic resonance imaging: a prospective case control study.

Asynchronism and nonequilibrium phase transitions in (1+1) -dimensional quantum cellular automata (2022)
Journal Article
Gillman, E., Carollo, F., & Lesanovsky, I. (2022). Asynchronism and nonequilibrium phase transitions in (1+1) -dimensional quantum cellular automata. Physical Review E, 106(3), Article L032103. https://doi.org/10.1103/PhysRevE.106.L032103

Probabilistic cellular automata provide a simple framework for exploring classical nonequilibrium processes. Recently, quantum cellular automata have been proposed that rely on the propagation of a one-dimensional quantum state along a fictitious dis... Read More about Asynchronism and nonequilibrium phase transitions in (1+1) -dimensional quantum cellular automata.

Carrier dynamics in InSe and the impact of terahertz pulses (2022)
Presentation / Conference Contribution
Venanzi, T., Selig, M., Pashkin, A., Winnerl, S., Katzer, M., Arora, H., …Schneider, H. (2022). Carrier dynamics in InSe and the impact of terahertz pulses. In IRMMW-THz 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves Conference Program. https://doi.org/10.1109/IRMMW-THz50927.2022.9895949

We investigate the electron-hole dynamics in few-layer InSe, a van der Waals semiconductor with promising opt-electronic properties. We show that terahertz pulses modulate the spontaneous emission via absorption by photo-excited carriers. We further... Read More about Carrier dynamics in InSe and the impact of terahertz pulses.

Turning OPM-MEG into a Wearable Technology (2022)
Book Chapter
Rhodes, N., Holmes, N., Hill, R., Barnes, G., Bowtell, R., Brookes, M., & Boto, E. (2022). Turning OPM-MEG into a Wearable Technology. In E. Labyt, T. Sander, & R. Wakai (Eds.), Flexible High Performance Magnetic Field Sensors: On-Scalp Magnetoencephalography and Other Applications (195-223). Springer International Publishing. https://doi.org/10.1007/978-3-031-05363-4_11

This chapter explores the use of optically pumped magnetometers (OPMs) as a tool for magnetoencephalography (MEG). Conventional MEG systems use superconducting quantum interference devices (SQUIDs) to measure the femto-Tesla-level magnetic fields at... Read More about Turning OPM-MEG into a Wearable Technology.

Longitudinal clinical study of patients with iron rim lesions in multiple sclerosis (2022)
Journal Article
Altokhis, A. I., Hibbert, A. M., Allen, C. M., Mougin, O., Alotaibi, A., Lim, S. Y., …Evangelou, N. (2022). Longitudinal clinical study of patients with iron rim lesions in multiple sclerosis. Multiple Sclerosis Journal, 28(14), 2202-2211. https://doi.org/10.1177/13524585221114750

Background: Iron rims (IRs) surrounding white matter lesions (WMLs) are suggested to predict a more severe disease course. Only small longitudinal cohorts of patients with and without iron rim lesions (IRLs) have been reported so far. Objective: To a... Read More about Longitudinal clinical study of patients with iron rim lesions in multiple sclerosis.

SDSS-IV MaNGA: the chemical co-evolution of gas and stars in spiral galaxies (2022)
Journal Article
Greener, M. J., Aragón-Salamanca, A., Merrifield, M., Peterken, T., Sazonova, E., Haggar, R., …Pan, K. (2022). SDSS-IV MaNGA: the chemical co-evolution of gas and stars in spiral galaxies. Monthly Notices of the Royal Astronomical Society, 516(1), 1275–1288. https://doi.org/10.1093/mnras/stac2355

We investigate archaeologically how the metallicity in both stellar and gaseous components of spiral galaxies of differing masses evolve with time, using data from the SDSS-IV MaNGA survey. For the stellar component, we can measure this evolution dir... Read More about SDSS-IV MaNGA: the chemical co-evolution of gas and stars in spiral galaxies.

tDCS induced GABA change is associated with the simulated electric field in M1, an effect mediated by grey matter volume in the MRS voxel (2022)
Journal Article
Nandi, T., Puonti, O., Clarke, W. T., Nettekoven, C., Barron, H. C., Kolasinski, J., …Stagg, C. J. (2022). tDCS induced GABA change is associated with the simulated electric field in M1, an effect mediated by grey matter volume in the MRS voxel. Brain Stimulation, 15(5), 1153-1162. https://doi.org/10.1016/j.brs.2022.07.049

BACKGROUND AND OBJECTIVE: Transcranial direct current stimulation (tDCS) has wide ranging applications in neuro-behavioural and physiological research, and in neurological rehabilitation. However, it is currently limited by substantial inter-subject... Read More about tDCS induced GABA change is associated with the simulated electric field in M1, an effect mediated by grey matter volume in the MRS voxel.

Swallow Tail Sign: Revisited (2022)
Journal Article
Brammerloh, M., Kirilina, E., Alkemade, A., Bazin, P.-L., Jantzen, C., Jäger, C., …Weiskopf, N. (2022). Swallow Tail Sign: Revisited. Radiology, 305(3), 674-677. https://doi.org/10.1148/radiol.212696

The loss of the radiologic swallow tail sign on MRI scans of the substantia nigra is a promising diagnostic marker of Parkinson disease (1), although its anatom-ic underpinning is unclear. An early influential study showed th... Read More about Swallow Tail Sign: Revisited.

Coherent Phononics of van der Waals Layers on Nanogratings (2022)
Journal Article
Yan, W., Akimov, A. V., Barra-Burillo, M., Bayer, M., Bradford, J., Gusev, V. E., …Linnik, T. L. (2022). Coherent Phononics of van der Waals Layers on Nanogratings. Nano Letters, 22(16), 6509-6515. https://doi.org/10.1021/acs.nanolett.2c01542

Strain engineering can be used to control the physical properties of two-dimensional van der Waals (2D-vdW) crystals. Coherent phonons, which carry dynamical strain, could push strain engineering to control classical and quantum phenomena in the unex... Read More about Coherent Phononics of van der Waals Layers on Nanogratings.

Finite-depth scaling of infinite quantum circuits for quantum critical points (2022)
Journal Article
Jobst, B., Smith, A., & Pollmann, F. (2022). Finite-depth scaling of infinite quantum circuits for quantum critical points. Physical Review Research, 4(3), Article 033118. https://doi.org/10.1103/PhysRevResearch.4.033118

The scaling of the entanglement entropy at a quantum critical point allows us to extract universal properties of the state, e.g., the central charge of a conformal field theory. With the rapid improvement of noisy intermediate-scale quantum (NISQ) de... Read More about Finite-depth scaling of infinite quantum circuits for quantum critical points.

Optical properties of self-assembled InAs quantum dots based P–I–N structures grown on GaAs and Si substrates by Molecular Beam Epitaxy (2022)
Journal Article
Al Huwayz, M., Galeti, H., Lemine, O. M., Ibnaouf, K. H., Alkaoud, A., Alaskar, Y., …Henini, M. (2022). Optical properties of self-assembled InAs quantum dots based P–I–N structures grown on GaAs and Si substrates by Molecular Beam Epitaxy. Journal of Luminescence, 251, Article 119155. https://doi.org/10.1016/j.jlumin.2022.119155

Extensive work on InAs quantum dots grown on GaAs substrates has been reported in the literature. However, research in the use of different substrate materials such as silicon to achieve an ideal and full integration of photonic and electronic system... Read More about Optical properties of self-assembled InAs quantum dots based P–I–N structures grown on GaAs and Si substrates by Molecular Beam Epitaxy.

All Outputs (2152)