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Edge functionalization of finite graphene nanoribbon superlattices
(Journal article; Peer reviewed, 2019)The effect of chemical functionalization on the electronic properties of graphene nanoribbon superlattices with zigzag and armchair terminations is investigated using the density functional theory. The calculated positive ... -
Edge-modified zigzag-shaped graphene nanoribbons: structure and electronic properties
(Journal article; Peer reviewed, 2014)Control of the band gap of graphene nanoribbons is an important problem for the fabrication of effective radiation detectors and transducers operating in different frequency ranges. The periodic edge-modified zigzag-shaped ... -
EELS and STEM studies of perovskite oxide heterostructures
(Doctoral theses at NTNU;2016:361, Doctoral thesis, 2016)Perovskite oxide heterostructures have attracted much research interest due to a strong coupling between the local crystal structure and the functional properties. Of special interest are the interfaces of thin film systems, ... -
Effect of clay surface charge on the emerging properties of polystyrene-organoclay nanocomposites
(Journal article; Peer reviewed, 2013) -
Effect of Copper Addition on Precipitation Behavior near Grain Boundary in Al-Zn-Mg Alloy
(Journal article; Peer reviewed, 2019)The effect of Cu-addition on age-hardening and precipitation have been investigated by hardness measurement, tensile test, high resolution transmission electron microscopy (HRTEM) and high angle annular dark field scanning ... -
Effect of copper addition on the cluster formation behavior of Al-Mg-Si, Al-Zn-Mg, and Al-Mg-Ge in the natural aging
(Journal article; Peer reviewed, 2018)The time-dependent resistivity of Al-Mg-Si(-Cu), Al-Zn-Mg(-Cu), and Al-Mg-Ge(-Cu) alloys are studied over a range of constant temperatures between 255 K and 320 K. The resistivity vs time curves for the samples show three ... -
Effect of copper on fine precipitates at the early stage of aging in Al-Mg-X (X=Si, Ge, Zn) alloys
(Journal article, 2017)Age-hardenable Al–Mg–Si, Al–Mg–Ge, and Al–Zn–Mg alloys including Cu were investigated by transmission electron microscopy to understand extra diffraction spots that appear in their selected area electron diffraction patterns. ... -
The effect of deformation and natural ageing in an Al-Mg-Si-Cu alloy with high Cu-content: A transmission electron microscopy study
(Master thesis, 2018)The effect of the combination of natural ageing and deformation to 80 % on precipitation in an Al-Mg-Si-Cu alloy has been investigated by different transmission electron microscopy (TEM) techniques. Similar research is ... -
Effect of different microstructural features on the hydrogen embrittlement susceptibility of alloy 718
(Journal article; Peer reviewed, 2018)Due to its high strength and acceptable corrosion resistance, Alloy 718 is a viable material for the use in subsea applications. The alloy's susceptibility to hydrogen embrittlement is however limiting its viability. In ... -
Effect of ECAP prior to aging on microstructure, precipitation behaviour and mechanical properties of an Al-Cu-Mg alloy
(Journal article; Peer reviewed, 2018)Microstructure, precipitation behaviour and mechanical properties of an Al-5.64Cu-0.33Mn-0.23Mg-0.14Zr-0.11Ti (in wt. %) alloy subjected to thermomechanical processing (TMP) involving equal-channel angular pressing (ECAP) ... -
The Effect of Elevated Temperatures on Precipitation in Aluminium Alloys – An Advanced Transmission Electron Microscopy Study
(Doctoral theses at NTNU, 2020:229, Doctoral thesis, 2020)Aluminium (Al) alloys are increasingly found and sought-after in applications that involve exposure to elevated temperatures. Examples are automotive components located in the engine room, heat exchangers, and subsea/offshore ... -
Effect of Germanium in Silicon for Solar Applications
(Master thesis, 2016)The effect of Ge in multicrystalline Silicon wafers is studied along with a comparison in smaller scale systems (microwires). -
Effect of Glutaminase Inhibition in Basal-Like Patient-Derived Xenografts Analyzed by Magnetic Resonance Spectroscopy
(Master thesis, 2017)Breast cancer is today the leading cause for cancer related deaths among women in Europe. Decreased mortality among breast cancer patients has been observed over the last twenty years, where development and use of targeted ... -
Effect of low Cu addition and thermo-mechanical history on precipitation in Al-Mg-Si alloys
(Journal article, 2014)The effect of cooling rate after solution heat treatment and its combination with 1% pre-deformation on precipitation hardening in two Al-Mg-Si alloys is investigated by transmission electron microscopy (TEM), and related ... -
The effect of macromolecular crowding with polyanions on DNA condensation
(Master thesis, 2018)The condensation of DNA induced by the cationic surfactant CTAB was investigated in the presence of the negatively charged macromolecule PAMAM. Surprisingly, PAMAM promotes rather than inhibits condensation, as opposed to ... -
Effect of Mn and cooling rates on α-, β- and δ-Al–Fe–Si intermetallic phase formation in a secondary Al–Si alloy
(Journal article; Peer reviewed, 2019)Secondary Al–Si alloys Al7.1Si(1.5-xMn)Fe(xMn)Mn with xMn = 0, 0.3, 0.375, 0.6, 0.75 at.% have been solidified with different cooling rates: 0.05 K/s, 1.4 K/s, 11.4 K/s and 200 K/s. In the ternary alloy with xMn = 0 at.%, ... -
Effect of oxygen partial pressure on the density of antiphase boundaries in Fe3O4 thin films on Si(100)
(Journal article; Peer reviewed, 2018)Polycrystalline Fe3O4 thin films were grown on Si(100) substrate by reactive DC sputtering at different oxygen partial pressures for controlling the growth associated density of antiphase boundaries (APBs). The micro-Raman ... -
Effect of room temperature storage time on precipitation in Al-Mg-Si(-Cu) alloys with different Mg/Si ratios
(Journal article; Peer reviewed, 2012)The effect of natural ageing time before artificial ageing has been investigated in four Al – Mg – Si(– Cu) alloys, with 0.4 % Mg + 0.8 % Si and 0.8 % Mg + 0.4 % Si, both with and without 0.14 at.% Cu. The precipitate ... -
Effect of task-correlated physiological fluctuations and motion in 2D and 3D echo-planar imaging in a higher cognitive level fMRI paradigm
(Journal article; Peer reviewed, 2016)Purpose: To compare 2D and 3D echo-planar imaging (EPI) in a higher cognitive level fMRI paradigm. In particular, to study the link between the presence of task-correlated physiological fluctuations and motion and the fMRI ... -
Effect of ultrasound on the vasculature and extravasation of nanoscale particles imaged in real time
(Journal article; Peer reviewed, 2019)Ultrasound and microbubbles have been found to improve the delivery of drugs and nanoparticles to tumor tissue. To obtain new knowledge on the influence of vascular parameters on extravasation and to elucidate the effect ...