Now showing items 1-20 of 109

  • 3D printing the pterygopalatine fossa : a negative space model of a complex structure 

    Bannon, Ross; Parihar, Shivani; Skarparis, Yiannis; Varsou, Ourania; Cezayirli, Enis (2017-08-30) - Journal article
    Purpose : The pterygopalatine fossa is one of the most complex anatomical regions to understand. It is poorly visualized in cadaveric dissection and most textbooks rely on schematic depictions. We describe our approach to ...
  • Absence of critical exponents in ferroelectrics : experiments of Hilczer and theory of Levanyuk and Sigov 

    Scott, J. F. (2016-08-02) - Journal article
    The pioneering breakthrough of Bozena Hilczer and her coworkers showed that the so-called critical phenomena in many ferroelectric crystals are entirely produced by defects. She studied gadolinium aluminum sulphate hexahydrate ...
  • Aerial low frequency hearing in captive and free-ranging harbour seals (Phoca vitulina) using auditory brainstem responses 

    Lucke, Klaus; Hastie, Gordon Drummond; Ternes, Kerstin; McConnell, Bernie J; Moss, Simon; Russell, Deborah Jill; Weber, Heike; Janik, Vincent M. (2016-12) - Journal article
    The hearing sensitivity of 18 free-ranging and 10 captive harbour seals (Phoca vitulina) to aerial sounds was measured in the presence of typical environmental noise through auditory brainstem response measurements. A focus ...
  • Algorithms for optimising heterogeneous Cloud virtual machine clusters 

    Thai, Long Thanh; Varghese, Blesson; Barker, Adam David (IEEE, 2016-12-12) - Conference item
    It is challenging to execute an application in a heterogeneous cloud cluster, which consists of multiple types of virtual machines with different performance capabilities and prices. This paper aims to mitigate this challenge ...
  • All-optical manipulation of photonic membranes 

    Kirkpatrick, Blair C.; Ploschner, Martin; Čižmár, Tomas; Di Falco, Andrea (SPIE, 2016-08-28) - Conference item
    Photonic membranes (PMs) are thin, highly-flexible, membranes which can be imbued with specific photonic functionalities when used to play host to plasmonic features.1-3 PMs can then take that photonic functionality and ...
  • Ancient Roman coin retrieval : a systematic examination of the effects of coin grade 

    Fare, Callum; Arandelovic, Ognjen (Springer, 2017-04-13) - Conference item
    Ancient coins are historical artefacts of great significance which attract the interest of scholars, and a large and growing number of amateur collectors. Computer vision based analysis and retrieval of ancient coins holds ...
  • Arrays of microscopic organic LEDs for high resolution optogenetics 

    Steude, Anja; Witts, Emily Charlotte; Miles, Gareth Brian; Gather, Malte Christian (2016-05-06) - Journal article
    Optogenetics is a paradigm changing new method to study and manipulate the behavior of cells with light. Following major advances of the used genetic constructs over the last decade, the light sources required for optogenetic ...
  • Associative learning with Y-shaped floating gate transistors operated in memristive modes 

    Maier, P.; Hartmann, F.; Emmerling, M.; Schneider, C.; Kamp, M.; Worschech, L.; Höfling, S. (2017-02-03) - Journal article
    We present Y-shaped three-terminal floating gate transistors with positioned quantum dots (QDs) acting as floating gates. The QDs are precisely positioned in the input terminals and the localized charge controls the ...
  • Autonomous agent behaviour modelled in PRISM -- a case study 

    Hoffmann, Ruth; Ireland, Murray; Miller, Alice; Norman, Gethin; Veres, Sandor (Springer, 2016) - Conference item
    Formal verification of agents representing robot behaviour is a growing area due to the demand that autonomous systems have to be proven safe. In this paper we present an abstract definition of autonomy which can be used ...
  • Baseline fusion for image an pattern recognition - what not to do (and how to do better) 

    Arandelovic, Ognjen (2017-12) - Journal article
    The ever-increasing demand for a reliable inference capable of handling unpredictable challenges of practical application in the real world has made research on information fusion of major importance; indeed, this challenge ...
  • Best practices for virtual participation in meetings : experiences from synthesis centers 

    Hampton, Stephanie E.; Halpern, Benjamin S.; Winter, Marten; Balch, Jennifer K.; Parker, John N.; Baron, Jill S.; Palmer, Margaret; Schildhauer, Mark P.; Bishop, Pamela; Meagher, Thomas R.; Specht, Alison (2017-01-03) - Journal article
  • Bulk AlInAs on InP(111) as a novel material system for pure single photon emission 

    Unsleber, Sebastian; Deppisch, Michael; Krammel, Christian M.; Vo, Minh; Yerino, Christopher D.; Simmonds, Paul J.; Lee, Minjoo Larry; Koenraad, Paul M.; Schneider, Christian; Hoefling, Sven (2016-10-03) - Journal article
    In this letter, we report on quantum light emission from bulk AlInAs grown on InP(111) substrates. We observe indium rich clusters in the bulk Al0:48In0:52As (AlInAs), resulting in quantum dot-like energetic traps for ...
  • Carrier delocalization in InAs/InGaAlAs/InP quantum‐dash‐based tunnel injection system for 1.55 μm emission 

    Rudno-Rudiński, W.; Syperek, M.; Andrzejewski, J.; Maryński, A.; Misiewicz, J.; Somers, A.; Höfling, Sven; Reithmaier, J. P.; Sęk, G. (2017-01) - Journal article
    We have investigated optical properties of hybrid two‐dimensional‐zero‐dimensional (2D‐0D) tunnel structures containing strongly elongated InAs/InP(001) quantum dots (called quantum dashes), emitting at 1.55 μm. These ...
  • Cascaded emission of single photons from the biexciton in monolayered WSe2 

    He, Yu-Ming; Iff, Oliver; Baumann, Vasilij; Davanco, Marcelo; Srinivasan, Kartik; Höfling, Sven; Schneider, Christian (2016-11-10) - Journal article
    Monolayers of transition metal dichalcogenide materials emerged as a new material class to study excitonic effects in solid state, as they benefit from enormous Coulomb correlations between electrons and holes. Especially ...
  • Charge carrier localised in zero-dimensional (CH3NH3)3Bi219 clusters 

    Ni, Chengsheng; Hedley, Gordon James; Payne, Julia Louise; Svrcek, Vladimir; McDonald, Calum; Jagadamma, Lethy Krishnan; Edwards, Paul; Martin, Robert; Jain, Gunisha; Carolan, Darragh; Mariotti, Davide; Maguire, Paul; Samuel, Ifor David William; Irvine, John Thomas Sirr (2017-08-01) - Journal article
    A metal-organic hybrid perovskite (CH3NH3PbI3) with three-dimensional framework of metal-halide octahedra has been reported as a low-cost, solution-processable absorber for a thin-film solar cell with a power-conversion ...
  • Circularly polarized lasing in chiral modulated semiconductor microcavity with GaAs quantum wells 

    Demenev, A. A.; Kulakovskii, V. D.; Schneider, C.; Brodbeck, S.; Kamp, M.; Höfling, S.; Lobanov, S. V.; Weiss, T.; Gippius, N. A.; Tikhodeev, S. G. (2016-10-24) - Journal article
    We report close to circularly polarized lasing at ћω = 1.473 and 1.522 eV from an AlAs/AlGaAs Bragg microcavity, with 12 GaAs quantum wells in the active region and chirally etched upper distributed Bragg refractor under ...
  • Conformable holographic metasurfaces 

    Burch, James; Wen, Dandan; Chen, Xianzhong; Di Falco, Andrea (2017-07-03) - Journal article
    Metasurface holograms are typically fabricated on rigid substrates. Here we experimentally demonstrate broadband, flexible, conformable, helicity multiplexed metasurface holograms operating in the visible range, offering ...
  • Continuously tuneable critical current in superconductor-ferromagnet multilayers 

    Curran, P. J.; Kim, J.; Satchell, N.; Witt, J. D. S.; Burnell, G.; Flokstra, Machiel Geert; Lee, Stephen Leslie; Bending, S. J. (2017-06-27) - Journal article
    We demonstrate that the critical current of superconducting Nb/Ni multilayers can be continuously tuned by up to a factor of three during magnetization reversal of the Ni films under an applied in-plane magnetic field. Our ...
  • Control of superconductivity with a single ferromagnetic layer in niobium/erbium bilayers 

    Satchell, N.; Witt, J. D. S.; Flokstra, M. G.; Lee, S. L.; Cooper, J. F. K.; Kinane, C. J.; Langridge, S.; Burnell, G. (2017-04) - Journal article
    Superconducting spintronics in hybrid superconductor/ferromagnet (S-F) heterostructures provides an exciting potential new class of device. The prototypical super-spintronic device is the superconducting spin-valve, where ...
  • Effect of annealing on exciton diffusion in a high performance small molecule organic photovoltaic material 

    Long, Yun; Hedley, Gordon James; Ruseckas, Arvydas; Chowdhury, Mithun; Roland, Thomas Jean; Serrano, Luis; Cooke, Graeme; Samuel, Ifor David William (2017-05-03) - Journal article
    Singlet exciton diffusion was studied in the efficient organic photovoltaic electron donor material DTS(FBTTh2)2. Three complementary time-resolved fluorescence measurements were performed: quenching in planar heterojunctions ...