Blar i Institutt for materialteknologi på tittel
Viser treff 2073-2092 av 2545
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Solid solubility of rare earth elements (Nd, Eu, Tb) in In2−xSnxO3 – effect on electrical conductivity and optical properties
(Journal article; Peer reviewed, 2014-05-07)Wide band-gap semiconductors doped with luminescent rare earth elements (REEs) have attracted recent interest due to their unique optical properties. Here we report on the synthesis of the transparent conducting oxides ... -
Solid Solution Engineering of Hybrid Supramolecular Tetraethylammonium and Tetrabutylammonium Compounds
(Master thesis, 2022)Plastiske krystaller er supramolekylære materialer som gjennomgår en fasetransformasjon til en mesofase ved forhøyede temperaturer. I mesofasen har molekylene eller ionene rotasjonell frihet samtidig som de er begrenset ... -
Solid state recycling of aluminium scrap and dross characterization
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:325, Doctoral thesis, 2011)The global demand for aluminium and aluminium products is progressively increasing. However, the production of primary aluminium is an energy intensive process and emits at the world average ~12 tonnes of carbon dioxide ... -
Solid-solid Phase Change Material Pentaerythritol as a Latent Heat Storage Material in Domestic Cooking Stoves
(Master thesis, 2023)Et økende energiforbruk har ført termisk energilagring i rampelyset. Blant ulike tilnærminger i termisk energilagring skiller latent varmelagring seg ut, der varmen lagres ved hjelp av en reversibel faseovergang i et ... -
Solid-State Synthesis and Properties of Relaxor (1 – x)BKT–xBNZ Ceramics
(Journal article; Peer reviewed, 2014-07-08)Conventional solid-state synthesis was used to synthesize dense and phase pure ceramics in the (1−x) Bi0.5K0.5TiO3–xBi0.5Na0.5ZrO3 (BKT–BNZ) system. Structural characterization was done using X-ray diffraction at both room ... -
Solidification of Silicon: Macro- and Microstructure as Functions of Thermal History and Composition
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:21, Doctoral thesis, 2014) -
Solidification of Titanium Slags and Influence on Post Processing
(Master thesis, 2016)Ilmenite is a titanium-rich ore, and accounts for almost all the world's consumption of titanium bearing minerals. One of the main uses of titanium is as powdered TiO2, used extensively as whitening pigment. The first step ... -
Solubility of Carbon and Nitrogenin the Silicon Rich Part of theSi–C–N–B-System
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:215, Doctoral thesis, 2009) -
Solubility of Nickel in Mg-Al, Mg-Al-Fe, and Mg-Al-Mn Systems
(Doctoral thesis, 2001)The corrosion properties of magnesium alloys strongly depend on the alloy composition and impurities. Heavy elements like nickel, and iron have low solubility in solid magnesium. The dissolved elements in molten magnesium ... -
Solution based synthesis of Si quantum dots and down-shifting layers for solar cell applications
(Doctoral thesis at NTNU, Doctoral thesis, 2014)Silicon is the main component of electronics and photovoltaics, but since bulk Si is a poor light emitter it cannot be adapted into opto-electronic devices and applications. Si nano-crystals on the other hand have ... -
Solvent-Controlled Charge Storage Mechanisms of Spinel Oxide Electrodes in Mg Organohaloaluminate Electrolytes
(Journal article; Peer reviewed, 2017)Considering the improved safety, reduced cost, and high volumetric energy density associated with Mg batteries, this technology has distinct advantages for large-scale energy storage compared to other existing battery ... -
Sonochemical synthesis of Cu-Pt core-shell nanoparticles on a carbon support
(Master thesis, 2022)Cu@Pt kjerne-skall partikler ble syntetisert ved sonokjemisk reduksjon av CuSO4 • 5H2O i en vandig bufferløsning med pH 5 bestående av 9.9 mmol dm-3 metansyre, HCOOH, og natriumformat, NaCOOH, som valgt radikalsamler. ... -
Sonochemical Synthesis of Cu@Pt Bimetallic Nanoparticles
(Peer reviewed; Journal article, 2022)Reducing the amount of noble metals in catalysts for electrochemical conversion devices is paramount if these devices are to be commercialized. Taking advantage of the high degree of particle property control displayed by ... -
Sonochemical Synthesis of Nanoparticles for Fuel Cells and Electrolyzers
(Doctoral theses at NTNU;2023:215, Doctoral thesis, 2023)Green hydrogen represents an environmentally friendly alternative to fossil fuels as an energy carrier in many different energy-demanding industries. However, commercialized electrochemical conversion devices utilizing ... -
Sour Gas Corrosion—Corrosion of Steels and Other Metallic Materials in Aqueous Environments Containing H2S
(Chapter, 2013)The corrosion of metals, mainly steels, in contact with H2S-containing solutions is a general problem especially in gas and oil production. The corrosion products are hydrogen and iron sulfides. Penetration of the hydrogen ... -
Spark Plasma Sintering of Graphene Nanoplatelets Reinforced Aluminium 6061 Alloy Composites
(Chapter, 2020)Over the years, high performance lightweight aluminium matrix composites have, mainly due to their excellent mechanical properties, found wide applications in automobile and aerospace applications. In the present study, ... -
Spark Plasma Sintering of Silicon Carbide and the Effect of α-SiC and β-SiC on Sintering Properties
(Master thesis, 2022)Silisiumkarbid (SiC) er kjent for sine utmerkede termiske og mekaniske egenskaper, noe som gjør det nyttig innen mange bruksområder. Egenskaper som høy hardhet og styrke ved høy temperatur skyldes de sterke kovalente ... -
Spatial methods for characterising carbon anodes for aluminium production
(Journal article, 2015)Pilot test anodes were designed by Hydro Aluminium for laboratory studies using controlled blends of <2 mm aggregate from two single source cokes. Spa- tial and imaging methods were used to characterise anode surfaces with ... -
Spatially Confined Spin Polarization and magnetic sublattice control in (La,Sr)MnO3−δ Thin Films by Oxygen Vacancy Ordering
(Journal article; Peer reviewed, 2017)Perovskite oxides are known for their strong structure property coupling and functional properties such as ferromagntism, ferroelectricity and high temperature superconductivity. While the effect of ordered cation vacancies ... -
Special nanostructures in Al-Mg alloys subjected to high pressure torsion
(Journal article; Peer reviewed, 2010)Deformation twins and stacking faults were observed in nanostructure Al-Mg alloys subjected to high pressure torsion. These observations are surprising because deformation twinnings have never been observed in their ...