Recent Submissions

  • Characterization of high-precision resistive voltage divider and buffer amplifier for ac voltage metrology 

    Karlsen, Bjørnar; Lind, Kåre; Malmbekk, Helge; Øhlckers, Per (Peer reviewed; Journal article, 2019)
    A high-precision voltage buffer and a 10:1 resistive voltage divider have been constructed for use in ac voltage and electrical power metrology. Long-term stability of the buffer's dc response has been demonstrated by two ...
  • Off-eutectic Au-Ge die-attach - Microstructure, mechanical strength, and electrical resistivity 

    Larsson, Andreas; Thoresen, Christian Bjørge (Peer reviewed; Journal article, 2019)
    In this paper, off-eutectic Au–Ge joints were formed between Si substrates to investigate their high-temperature compatibility. High-quality joints made with small bond pressure, 53 kPa, were fabricated. The joints comprised ...
  • Modeling of Ungrounded Tangibles on Mutual Capacitance Touch Screens 

    Thoresen, Christian Bjørge; Hanke, Ulrik (Peer reviewed; Journal article, 2019)
    Tangible user interface for touch screens, where interaction happens through tangible objects placed on the screen, is one possible option for addressing the lack of haptic feedback in touch screens. For the development ...
  • Urban mobility at sea and on waterways in Norway 

    Tannum, Marius Stian; Ulvensøen, Jon Herman (Peer reviewed; Journal article, 2019)
    This paper gives an overview of current urban mobility projects in Norway and discusses autonomous short- distance ferries. Five projects are presented, with mobility concepts and timelines. A discussion is given regarding ...
  • A Strategy for Drone Traffic Planning Dynamic Flight-paths for Drones in Smart Cities 

    Berntzen, Lasse; Florea, Adrian; Molder, Cristian; Bouhmala, Noureddine (Chapter, 2019)
    This paper presents a solution for creating dynamic flight plans for drones. The number of drones is expected to increase dramatically, and there will be a demand for drone traffic planning solutions. The approach used ...
  • Enhanced photoelectric response of plasmon-active ZnO nanorods by spatial modulation of dielectric environment 

    Liu, Guohua; Dao, Nguyen Duy Phuong; Nguyen, Vy; Du, Kang; Cheng, Chaoqun; Xu, Jinliang; Wang, Kaiying (Peer reviewed; Journal article, 2019)
    One-dimensional zinc oxide (ZnO) nanorods have excellent electron mobility and exhibit great potential for photoelectric or photochemical applications. However, poor visible light absorption and rapid surface charge ...
  • Porous Thin-Wall Hollow Co3O4 Spheres for Supercapacitors with High Rate Capability 

    Fan, Xiao; Sun, Yongjiao; Øhlckers, Per; Chen, Xuyuan (Peer reviewed; Journal article, 2019)
    In this study, a zeolitic imidazolate framework-67 (ZIF-67) was prepared as a precursor using a facile hydrothermal method. After a calcination reaction in the air, the as-prepared precursor was converted to porous thin-wall ...
  • Intermetallic bonding as an alternative to polymeric adhesives in ultrasound transducers 

    Bolstad, Per Kristian; Le, Anh Duy; Hoff, Lars; Manh, Tung (Peer reviewed; Journal article, 2019)
    Common ultrasound transducers utilize epoxy for bonding the active piezoelectric to the rest of the acoustic stack. This paper explores some of the potential benefits of replacing this soft epoxy layer with a harder ...
  • Reworkable Anisotropic Conductive Adhesive for Assembly of Medical Devices 

    Nguyen, Hoang-Vu; Kristiansen, Helge; Lifjeld, Anders; Imenes, Kristin; Aasmundtveit, Knut (Chapter, 2019)
    Reworkable anisotropic conductive adhesives (ACAs) are of interest when the material is used for the assembly of electronic modules with high value, such as in medical ultrasound probes. Commercially available ACAs are ...
  • Direct Synthesis of Carbon Nanotubes in CMOS-Layout of Micro-heaters 

    Roy, Avisek; Azadmehr, Mehdi; Häfliger, Philipp; Ta, Bao Quoc; Aasmundtveit, Knut Eilif (Peer reviewed; Journal article, 2019)
    Direct integration of Carbon Nanotubes (CNTs) in CMOS is important for commercially manufacturing low-cost CNT-based sensors. In such compact sensors, CNTs would act as sensing element, and CMOS circuits would process ...
  • Design and fabrication of CMOS microstructures to locally synthesize carbon nanotubes for gas sensing 

    Roy, Avisek; Azadmehr, Mehdi; Ta, Bao Quoc; Häfliger, Philipp; Aasmundtveit, Knut (Peer reviewed; Journal article, 2019)
    Carbon nanotubes (CNTs) can be grown locally on custom-designed CMOS microstructures to use them as a sensing material for manufacturing low-cost gas sensors, where CMOS readout circuits are directly integrated. Such a ...
  • Raney-platinum thin film electrodes for the catalysis of glucose in abiotically catalyzed micro-glucose fuel cells 

    Do, Uyen Phuong; Seland, Frode; Wang, Kaiying; Johannessen, Erik Andrew (Peer reviewed; Journal article, 2019)
    Fuel cells capable of synthetic glucose catalysis have revolved around the implementation of abiotic catalysts that require extreme acid and alkaline environments. These are not compatible with implantable medical sensor ...
  • Nonsequential Speckle Reduction Method by Generating Uncorrelated Laser Subbeams with Equivalent Intensity Using a Reflective Spatial Light Modulator 

    Tong, Zhaomin; Song, Shaohua; Jia, Suotang; Chen, Xuyuan (Journal article; Peer reviewed, 2017)
    Sequential speckle reduction methods demand the usage of fast modulators due to the short integration period of human eyes. Here, a nonsequential speckle reduction method by splitting one laser beam with short coherence ...
  • Influence of Microcapsule Size and Shell Polarity on the Time-Dependent Viscosity of Geopolymer Paste 

    Cao, Vinh Duy; Pilehvar, Shima; Salas Bringas, Carlos; Szczotok-Piechaczek, Anna Maria; Do, Nu Bich Duyen; Le, Hoa Thanh; Carmona, Manuel; Rodriguez, Juan F.; Kjøniksen, Anna-Lena (Peer reviewed; Journal article, 2018)
  • Modeling framework for piezoelectrically actuated MEMS tunable lenses 

    Abdelmeguid, Mahmoud Ahmed Farghaly; Akram, Muhammad Nadeem; Halvorsen, Einar (Peer reviewed; Journal article, 2016)
    We report a modeling framework for evaluating the performance of piezoelectrically actuated MEMS tunable lenses. It models the static opto-electromechanical coupling for symmetric configurations of piezoelectric actuators ...
  • Combination of micro-scanning mirrors and multi-mode fibers for speckle reduction in high lumen laser projector applications 

    Tong, Zhaomin; Shen, Wenjiang; Song, Shaohua; Cheng, Wenzhi; Cai, Zhuo; Ma, Yifei; Wei, Lei; Ma, Weiguang; Xiao, Liantuan; Jia, Suotang; Chen, Xuyuan (Peer reviewed; Journal article, 2017)
    In high lumen laser projectors, it is required to use laser diodes coupled to multi-mode fibers (MMFs) to obtain a high power illumination module. In this paper, we have fabricated an electromagnetic micro-scanning mirror ...
  • Hybrid electrochemical sensor platform for capsaicin determination using coarsely stepped cyclic squarewave voltammetry 

    Søpstad, Sindre; Imenes, Kristin; Johannessen, Erik Andrew (Peer reviewed; Journal article, 2019)
    A small, standalone electrochemical hybrid sensor platform, combining flexible electronics and screen-printed electrodes, is demonstrated in the determination of capsaicin through adsorptive stripping voltammetry. The ...
  • ALICE results on system-size dependence of charged-particle multiplicity density in p–Pb, Pb–Pb and Xe–Xe collisions 

    Kim, Beomkyu; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Journal article; Peer reviewed, 2019)
    Particle production at LHC energies involves the interplay of hard (perturbative) and soft (non-perturbative) QCD processes. Global observables, such as the charged-particle multiplicity, are related to the initial geometry ...
  • Balance functions of (un)identified hadrons in Pb–Pb, p–Pb, and pp collisions at the LHC 

    Pan, Jinjin; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Journal article; Peer reviewed, 2019)
    In ultrarelativistic heavy-ion collisions, correlations of particles with opposite quantum numbers provide insight into quark production mechanisms and time scales, collective motion, and re-scattering in the hadronic ...
  • Constraining production models with light (anti-)nuclei measurements in small systems with ALICE at the LHC 

    Colocci, Manuel; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Journal article; Peer reviewed, 2019)
    The production of deuterons and anti-deuterons in pp collisions at has been studied as a function of charged-particle multiplicity using the ALICE detector at the LHC. The preliminary results are shown here, together with ...

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