Outputs (67)

Contact stiffness estimation in ANSYS using simplified models and artificial neural networks (2015)
Journal Article
Hattori, G., & Serpa, A. (2015). Contact stiffness estimation in ANSYS using simplified models and artificial neural networks. Finite Elements in Analysis and Design, 97, 43-53. https://doi.org/10.1016/j.finel.2015.01.003

The elastic contact problem, as implemented in some commercial software such as ANSYS, depends on the user choice of some parameters such as normal contact stiffness, penetration limit and contact algorithms. This work investigates the artificial neu... Read More about Contact stiffness estimation in ANSYS using simplified models and artificial neural networks.

Solution-processed SiO2 gate insulator formed at low temperature for zinc oxide thin-film transistors (2015)
Journal Article
Jeong, Y., Pearson, C., Kim, H., Park, M., Kim, H., Do, L., & Petty, M. (2015). Solution-processed SiO2 gate insulator formed at low temperature for zinc oxide thin-film transistors. RSC Advances, 5(45), 36083-36087. https://doi.org/10.1039/c5ra02989a

We report on the low-temperature formation (180 °C) of a SiO2 dielectric layer from solution-processed perhydropolysilazane. A bottom-gate zinc oxide thin-film transistor has subsequently been fabricated that possesses a carrier mobility of 3 cm2 V s... Read More about Solution-processed SiO2 gate insulator formed at low temperature for zinc oxide thin-film transistors.

Computing with carbon nanotubes: optimization of threshold logic gates using disordered nanotube/polymer composites (2015)
Journal Article
Massey, M., Kotsialos, A., Qaiser, F., Zeze, D., Pearson, C., Volpati, D., …Petty, M. (2015). Computing with carbon nanotubes: optimization of threshold logic gates using disordered nanotube/polymer composites. Journal of Applied Physics, 117(13), Article 134903. https://doi.org/10.1063/1.4915343

This paper explores the use of single-walled carbon nanotube (SWCNT)/poly(butyl methacrylate) composites as a material for use in unconventional computing. The mechanical and electrical properties of the materials are investigated. The resulting data... Read More about Computing with carbon nanotubes: optimization of threshold logic gates using disordered nanotube/polymer composites.

Sagnac interferometry using bright matter-wave solitons (2015)
Journal Article
Helm, J., Cornish, S., & Gardiner, S. (2015). Sagnac interferometry using bright matter-wave solitons. Physical Review Letters, 114(13), Article 134101. https://doi.org/10.1103/physrevlett.114.134101

We use an effective one-dimensional Gross-Pitaevskii equation to study bright matter-wave solitons held in a tightly confining toroidal trapping potential, in a rotating frame of reference, as they are split and recombined on narrow barrier potential... Read More about Sagnac interferometry using bright matter-wave solitons.

Wear of PEEK-OPTIMA and PEEK-OPTIMA-Wear Performance articulating against highly cross-linked polyethylene (2015)
Journal Article
East, R. H., Briscoe, A., & Unsworth, A. (2015). Wear of PEEK-OPTIMA and PEEK-OPTIMA-Wear Performance articulating against highly cross-linked polyethylene. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 229(3), 187-193. https://doi.org/10.1177/0954411915576353

The idea of all polymer artificial joints, particularly for the knee and finger, has been raised several times in the past 20 years. This is partly because of weight but also to reduce stress shielding in the bone when stiffer materials such as metal... Read More about Wear of PEEK-OPTIMA and PEEK-OPTIMA-Wear Performance articulating against highly cross-linked polyethylene.

The static and dynamic response of SU-8 electrothermal microgrippers of varying thickness (2015)
Journal Article
Dodd, L., Ward, S., Cooke, M., & Wood, D. (2015). The static and dynamic response of SU-8 electrothermal microgrippers of varying thickness. Microelectronic Engineering, 145, 82-85. https://doi.org/10.1016/j.mee.2015.03.028

This work presents an investigation into the effect on dynamic response of SU-8 microgrippers due to varying thickness, and subsequent validation via COMSOL Multiphysics simulations and thermal camera profiling during actuation. The tweezer-like micr... Read More about The static and dynamic response of SU-8 electrothermal microgrippers of varying thickness.

Exploring the alignment of carbon nanotubes dispersed in a liquid crystal matrix using coplanar electrodes (2015)
Journal Article
Volpati, D., Massey, M., Johnson, D., Kotsialos, A., Qaiser, F., Pearson, C., …Petty, M. (2015). Exploring the alignment of carbon nanotubes dispersed in a liquid crystal matrix using coplanar electrodes. Journal of Applied Physics, 117(12), Article 125303. https://doi.org/10.1063/1.4916080

We report on the use of a liquid crystalline host medium to align single-walled carbon nanotubes in an electric field using an in-plane electrode configuration. Electron microscopy reveals that the nanotubes orient in the field with a resulting incre... Read More about Exploring the alignment of carbon nanotubes dispersed in a liquid crystal matrix using coplanar electrodes.

Electrical Characteristics of Hybrid-Organic Memory Devices Based on Au Nanoparticles (2015)
Journal Article
Nejm, R. R., Ayesh, A. I., Zeze, D. A., Sleiman, A., Mabrook, M. F., Al-Ghaferi, A., & Hussein, M. (2015). Electrical Characteristics of Hybrid-Organic Memory Devices Based on Au Nanoparticles. Journal of Electronic Materials, 44(8), 2835-2841. https://doi.org/10.1007/s11664-015-3692-x

We report on the fabrication and characterization of hybrid-organic memory devices based on gold (Au) nanoparticles that utilize metal–insulator–semiconductor structure. Au nanoparticles were produced by sputtering and inert-gas condensation inside a... Read More about Electrical Characteristics of Hybrid-Organic Memory Devices Based on Au Nanoparticles.

Two-Microphone Dereverberation for Automatic Speech Recognition of Polish (2015)
Journal Article
Kundegorski, M., Jackson, P. J., & Ziółko, B. (2015). Two-Microphone Dereverberation for Automatic Speech Recognition of Polish. Archives of Acoustics, 39(3), 411-420. https://doi.org/10.2478/aoa-2014-0045

Reverberation is a common problem for many speech technologies, such as automatic speech recognition (ASR) systems. This paper investigates the novel combination of precedence, binaural and statistical independence cues for enhancing reverberant spee... Read More about Two-Microphone Dereverberation for Automatic Speech Recognition of Polish.

Improving agent-based simulation of major incident response in the United Kingdom through conceptual and operational validation (2015)
Journal Article
Hawe, G., Coates, G., Wilson, D., & Crouch, R. (2015). Improving agent-based simulation of major incident response in the United Kingdom through conceptual and operational validation. International Journal of Information Systems for Crisis Response and Management, 7(4), Article 1. https://doi.org/10.4018/ijiscram.2015100101

The aim of this paper is to report on how the credibility of an agent-based model (ABM) of the United Kingdom emergency services' response to major incidents has been improved through a process of conceptual validation, and how the ABM's software imp... Read More about Improving agent-based simulation of major incident response in the United Kingdom through conceptual and operational validation.