Blar i Institutt for fysikk på tittel

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    • Electronic and optical surface properties of noble metals studied by reflection anisotropy spectroscopy 

      Hansen, Jon_Kåre (Dr. ingeniøravhandling, 0809-103X; 2000:38, Doctoral thesis, 2000)
      The thesis demonstrates some of the possibilities of using light to measure and understand microscopic properties of noble metal and nickel surfaces. The work consist mainly of three parts: 1. The design and construction ...

    • Electronic and structural properties of the natural dyes curcumin, bixin and indigo 

      Michels, Leander; Richter, Annika; Chellappan, Rajesh Kumar; Røst, Håkon Ivarssønn; Behsen, Alenka Djarmila; Wells, Kristin Høydalsvik; Leal, Luciano; Santana, Vilany; Blawid, Rosana; da Silva, Geraldo J.; Cooil, Simon; Wells, Justin William; Blawid, Stefan (Peer reviewed; Journal article, 2021)
      An optical, electronic and structural characterisation of three natural dyes potentially interesting for application in organic solar cells, curcumin (C21H20O6), bixin (C25H30O4) and indigo (C16H10N2O2), was performed. ...

    • Electronic properties of reduced molybdenum oxides 

      Inzani, Katherine; Nematollahi, Mohammadreza; Vullum-Bruer, Fride; Grande, Tor; Reenaas, Turid Worren; Selbach, Sverre Magnus (Journal article; Peer reviewed, 2017)
      The electronic properties of MoO3 and reduced molybdenum oxide phases are studied by density functional theory (DFT) alongside characterization of mixed phase MoOx films. Molybdenum oxide is utilized in compositions ranging ...

    • Electronic Properties of Si as an Intermediate Band Solar Cell - A Density Functional Theory Study 

      Hammarbeck, Haakon (Master thesis, 2018)
      Crystalline silicon is widely used as a solar cell material in modern day society. This report investigates the possibility of adding an additional energy band placed within the conventional band gap, in order to increase ...

    • Electronic structure of thermoelectric and ferro-electric materials: - Advanced transmission electronmicroscopy studies 

      Sæterli, Ragnhild (Doktoravhandlinger ved NTNU, 1503-8181; 2010:158, Doctoral thesis, 2010)
      This thesis describes TEM studies related to the electronic structure of thermoelectric and ferroelectric materials. Compounds within the thermoelectric skutterudite class of materials were examined using Electron ...

    • Elemental electron energy loss mapping of a precipitate in a multi-component aluminium alloy 

      Mørtsell, Eva Anne; Wenner, Sigurd; Longo, Paulo; Andersen, Sigmund Jarle; Marioara, Calin Daniel; Holmestad, Randi (Journal article, 2016)
      The elemental distribution of a precipitate cross section, situated in a lean Al-Mg-Si-Cu-Ag-Ge alloy, has been investigated in detail by electron energy loss spectroscopy (EELS) and aberration corrected high angle annular ...

    • Elements of the Microscopic Origins of Time-Reversal Symmetry Breaking in Phase-Frustrated Multiband Superconductors 

      Johnsen Svingen, Christian (Master thesis, 2021)
      En rekke teoretiske og eksperimentelle studier har blitt publisert som følge av oppdagelsen av superledning i materialene ved navn jernpniktider. Med disse oppdagelsene som motivasjon og et mål om å utvide den teoretiske ...

    • Elevator speech: Students’ discussions of forces and acceleration by means of a scale in an elevator 

      Johansen, Astrid; Bungum, Berit (Peer reviewed; Journal article, 2022)
      Students’ challenges in learning mechanics are well documented from test situations, and group discussions are considered a fruitful way to meet these challenges. In this paper, we present a study from an authentic teaching ...

    • Elevers opplevelse av programmering i fysikk i LK20 

      Johnsen, Ruben Hvatum (Master thesis, 2024)
      Med innføringen av ny læreplan i 2020 har numeriske metoder og digitale verktøy blitt en større del av fysikkfaget i videregående skole, og med dette har programmering blitt lagt til som en del av kompetansemålene til ...

    • Eliashberg study of superconductivity induced by interfacial coupling to antiferromagnets 

      Thingstad, Even; Erlandsen, Eirik; Sudbø, Asle (Peer reviewed; Journal article, 2021)
      We perform Eliashberg calculations for magnon-mediated superconductivity in a normal metal, where the electron-magnon interaction arises from interfacial coupling to antiferromagnetic insulators. In agreement with previous ...

    • Elucidating the pathogenesis of osteochondrosis using nonlinear optical microscopy 

      Finnøy, Andreas (Doctoral theses at NTNU;2017:309, Doctoral thesis, 2017)
      Abstract Osteochondrosis is defined as a focal disturbance in endochondral ossification and causes joint pain and lameness in several species of animals, including humans. The focal disturbance occurs at predilection ...

    • Emisjon av ultrafiolett lys fra positive streamere i sykloheksan 

      Samseth, Jarl Øystein (Master thesis, 2016)
      Isolerende væsker for elektriske komponenter, går til gjennomslag ved høyt elektrisk felt grunnet et fenomen kalt streamere. Streamere er elektrisk ledende kanaler av gass eller plasma som propagerer raskere desto høyere den ...

    • Emission decay and energy transfer in Yb/Tm Y-codoped fibers based on nano-modified glass 

      Klimentov, Dmitry; Dvoyrin, Vladislav; Halder, Arindam; Paul, Mukul Chandra; Das, Shyamal; Bhadra, Shyamal K; Sorokina, Irina T (Journal article, 2015)
      We report the results of an experimental investigation and theoretical analysis of luminescence decay in Yb/Tm Y-codoped fibers based on nano-modified glass. Based on the experimental results, numerical simulations allowed ...

    • Emission of coherent THz magnons in an antiferromagnetic insulator triggered by ultrafast spin–phonon interactions 

      Rongione, E.; Gueckstock, O.; Mattern, M.; Gomonay, O.; Meer, H.; Schmitt, C.; Ramos, R.; Kikkawa, T.; Mičica, M.; Saitoh, E.; Sinova, J.; Jaffrès, H.; Mangeney, J.; Goennenwein, S.T.B.; Geprägs, S.; Kampfrath, T.; Kläui, Mathias Michael; Bargheer, M.; Seifert, T.S.; Dhillon, S.; Lebrun, R. (Peer reviewed; Journal article, 2023)
      Antiferromagnetic materials have been proposed as new types of narrowband THz spintronic devices owing to their ultrafast spin dynamics. Manipulating coherently their spin dynamics, however, remains a key challenge that ...

    • Emulsions in Polymeric Turbulence 

      Øi, Truls Helge (Master thesis, 2022)
      Rapporten introduserer grunnleggende teori for Newtonsk turbulens, med fokus på andre ordens strukturfunksjon for hastighet og energispektrum. Formalismen for turbulens blir så brukt på ferske resultater for turbulent ...

    • En DFT analyse på kobber basert metallisk-organisk dekomponerings blekk 

      Roven, Henrik (Master thesis, 2020)
      En ny generasjon av kobber basert elektronisk blekk har blitt nylig utviklet som dekomponeres til metallisk kobber under varme. Blekkene er basert på kobber format komplekser i en +2 oksidasjonstall, som reduseres til en ...

    • En EXAFS-studie av DFT-modellerte AuCu-nanopartikler: Cupiditas de SmAug 

      Tungodden, Leif Kristian (Master thesis, 2014)
      En strukturstudie av AuCu-nanopartikler har blitt gjennomført ved hjelp av DFT og EXAFS. Det ble i alt undersøkt 18 DFT-modellerte AuCu-nanopartikler med størrelser fra 38 til 80 atomer og varierende støkiometrisk ...

    • En studie av samspillet mellom YouTube-videoer og samarbeidslæring 

      Øren, Øystein (Master thesis, 2010)
      I denne oppgaven har jeg sett på hvordan bruk av YouTube-videoer i samspill medsamarbeidslæring kan benyttes i fysikkundervisningen, og hvilken betydning det kan ha for elevenes læringsutbytte. Jeg argumenterer for at ...

    • Energetic particle precipitation influences global secondary ozone distribution 

      Jia, Jia; Murberg, Lise Eder; Løvset, Tiril; Orsolini, Yvan; Espy, Patrick Joseph; Zeller, Lilou C. G.; Salinas, Cornelius Csar Jude H.; Lee, Jae N.; Wu, Dong; Zhang, Jiarong (Journal article; Peer reviewed, 2024)
      The secondary ozone layer is a global peak in ozone abundance in the upper mesosphere-lower thermosphere (UMLT) around 90-95 km. The effect of energetic particle precipitation (EPP) from geomagnetic processes on this UMLT ...

    • Energy Considerations of Initiation of Fast Streamers in Cyclohexane 

      Vuong, Au-Dung (Master thesis, 2015)
      The purpose of this study is to improve a model of streamer propagation in dielectric liquid by Hestad et al. at Sintef Energy Research, by considering the energy in an initiated second mode streamer. This is important, ...