Browsing Institutt for mikrosystemer by Title
Now showing items 402-421 of 575
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Nano fabricated silicon nanorod array with titanium nitride coating for on-chip supercapacitors
(Journal article; Peer reviewed, 2016)We demonstrate high aspect ratio silicon nanorod arrays by cyclic deep reactive ion etching (DRIE) process as a scaffold to enhance the energy density of a Si-based supercapacitor. By unique atomic layer deposition (ALD) ... -
Nano-Power Monostable-Based Wake-Up Mechanism for Wireless Sensor Networks
(Chapter, 2022)Wireless sensor networks (WSNs) generally consist of thousands of sensor nodes, each one supplied by a battery or harvested energy. To prolong the lifetime of wireless sensor networks, wake-up receivers (WuRxs) are typically ... -
Nanoscale hetero-structured Co-Co(OH)2 composite/amorphous carbon core/shell bi-functional electrocatalysts electrochemically evolved from metastable hexagonal-phase cobalt for overall water splitting
(Peer reviewed; Journal article, 2021)Bi-functional electrocatalysts suited to alkaline water splitting systems are highly pursued, towards the most realistic application enabled by simplified electrolyzer design and cost-effective operation. Herein, a novel ... -
Nanoscale imaging of shale fragments with coherent X-ray diffraction
(Peer reviewed; Journal article, 2020)Despite the abundance of shales in the Earth's crust and their industrial and environmental importance, their microscale physical properties are poorly understood, owing to the presence of many structurally related mineral ... -
Net-baryon fluctuations measured with ALICE at the CERN LHC
(Journal article; Peer reviewed, 2017)First experimental results are presented on event-by-event net-proton fluctuation measurements in Pb- Pb collisions at √sNN = 2.76 TeV, recorded by the ALICE detector at the CERN LHC. The ALICE detector is well suited for ... -
Neutral meson production and correlation with charged hadrons in pp and Pb-Pb collisions with the ALICE experiment at the LHC
(Journal article; Peer reviewed, 2017)Among the probes used to investigate the properties of the Quark-Gluon Plasma, the measurement of the energy loss of high-energy partons can be used to put constraints on energy-loss models and to ultimately access medium ... -
Neutral pion and η meson production at midrapidity in Pb-Pb collisions at √sNN=2.76 TeV
(Journal article; Peer reviewed, 2018)Neutral pion and η meson production in the transverse momentum range 1 < pT < 20 GeV/c have been measured at midrapidity by the ALICE experiment at the Large Hadron Collider (LHC) in central and semicentral Pb-Pb collisions ... -
Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV
(Journal article; Peer reviewed, 2018)Neutral pion and η meson invariant differential yields were measured in non-single diffractive p–Pb collisions at √sNN = 5.02 TeV with the ALICE experiment at the CERN LHC. The analysis combines results from three ... -
Neutral pion production at midrapidity in pp and Pb–Pb collisions at √ sNN TeV
(Journal article, 2014)Invariant yields of neutral pions at midrapidity in the transversemomentum range 0.6 < pT < 12 GeV/cmeasured in Pb–Pb collisions at √sNN = 2.76 TeV are presented for six centrality classes. The pp reference spectrumwas ... -
New Encapsulation Concepts for Medical Ultrasound Probes – A Heat Transfer Simulation Study
(Chapter, 2019)Thermal management is important for medical ultrasound probes to maintain optimal performance, reliability, and lifetime of the devices, as well as to avoid heat-induced damage to the patients’ tissue. This paper presents ... -
Non-linear flow modes of identified particles in Pb-Pb collisions at √sNN = 5.02 TeV
(Peer reviewed; Journal article, 2020)The pT-differential non-linear flow modes, v4,22, v5,32, v6,33 and v6,222 for π ±, K±, K0 S , p + p, Λ + Λ and φ-meson have been measured for the first time at √ sNN = 5.02 TeV in Pb-Pb collisions with the ALICE detector ... -
Non-linear flow modes of identified particles in Pb–Pb collisions at √sNN=5.02TeV with the ALICE detector
(Journal article; Peer reviewed, 2019)The non-linear flow modes, v4,22, v5,32 and v6,33 as a function of transverse momentum (pT) have been measured for the first time in Pb–Pb collisions at for identified particles, i.e. charged pions, kaons and (anti-)protons. ... -
Non-strange and strange D-meson and charm-baryon production in heavy-ion collisions measured with ALICE at the LHC
(Journal article; Peer reviewed, 2019)We present recent results on strange and non-strange D-meson production measured with ALICE in Pb–Pb collisions at the LHC. In addition, the measurements of the -baryon production and of the ratio in pp, p–Pb, and, for the ... -
Nonlinear electrical impedance of the acoustic stack in cardiac ultrasound probe
(Peer reviewed; Journal article, 2020)Understanding the nonlinearity in ultrasound probes is important for tissue harmonic imaging, as 2nd harmonic components transmitted from the probe may interfere with harmonics from the tissue and degrade the image quality. ... -
Nonlinearity in a medical ultrasound probe under high excitation voltage
(Peer reviewed; Journal article, 2020)Tissue harmonic imaging is often the preferred ultrasound imaging modality due to its ability to suppress reverberations. The method requires good control of the transmit stage of the ultrasound scanner, as harmonics in ... -
Nonsequential Speckle Reduction Method by Generating Uncorrelated Laser Subbeams with Equivalent Intensity Using a Reflective Spatial Light Modulator
(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 ... -
A Novel Framework To Evaluate and Train Object Detection Models for Real-Time Victims Search and Rescue at Sea With Autonomous Unmanned Aerial Systems Using High-Fidelity Dynamic Marine Simulation Environment
(Chapter, 2023)This work presents a novel framework providing the ability to control an Unmanned Aerial System (UAS) while detecting objects in real-time with visible detections, containing class names, bounding boxes, and confidence ... -
Numerical optimization of ultrasound transducers by the linearity of the phase spectrum
(Journal article; Peer reviewed, 2017)New ultrasound imaging and therapeutic modalities may require transducer designs that are not easily facilitated by conventional design guidelines and analytical expressions. This motivates the investigation of numerical ... -
Observation and assessment of crossing situations between pleasure craft and a small passenger ferry
(Peer reviewed; Journal article, 2020)A study of navigational situations involving a small passenger ferry ‘Ole III’ was conducted based on participatory observations in the Husøysund strait in Tønsberg municipality, Norway. The aims were to document the extent ... -
Off-eutectic Au-Ge die-attach - Microstructure, mechanical strength, and electrical resistivity
(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 ...