Blar i Institutt for materialteknologi på tittel
Viser treff 886-905 av 2502
-
Facile fabrication of ultrathin freestanding nanoporous Cu and Cu-Ag films with high SERS sensitivity by dealloying Mg-Cu(Ag)-Gd metallic glasses
(Peer reviewed; Journal article, 2021)Nanoporous metals prepared by dealloying have attracted increasing attention due to their interesting size-dependent physical, chemical, and biological properties. However, facile fabrication of metallic ultrathin freestanding ... -
Facile Low Temperature Hydrothermal Synthesis of BaTiO3 Nanoparticles Studied by In Situ X-ray Diffraction
(Journal article; Peer reviewed, 2018)Ferroelectric materials are crucial for today’s technological society and nanostructured ferroelectric materials are important for the downscaling of devices. Controlled and reproducible synthesis of these materials are, ... -
Facile Preparation of Layered Ni(OH)2/Graphene Composite from Expanded Graphite
(Journal article; Peer reviewed, 2017)A layered Ni(OH)2/graphene composite was firstly prepared by electrochemical deposition of nickel nanoparticles between layers of expanded graphite in Ni2+ containing solution, and then the deposited nickel nanoparticles ... -
Facile synthesis of Al-stabilized lithium garnets by a solution-combustion technique for all solid-state batteries
(Peer reviewed; Journal article, 2021)Garnet-type solid electrolytes with cubic modification (c-LLZO, Li7La3Zr2O12) are considered to be one of the most promising candidates for SSLBs with desirable properties such as high ionic conductivity (about 1 mS cm−1) ... -
Facile synthesis of high-performance Ni(OH)2/expanded graphite electrodes for asymmetric supercapacitors
(Journal article, 2017)Cost-effective commercial expanded graphite (EG) was used as a raw material, and a facile in-situ electrodeposition method was adopted to synthesize a layered Ni(OH)2/EG composite electrode in an N,N-dimethylformamide-water ... -
Facile synthesis of metal and alloy nanoparticles by ultrasound-assisted dealloying of metallic glasses
(Peer reviewed; Journal article, 2021)Metal and alloy nanoparticles synthesized by chemical reduction have attracted increasing attention due to their superior physical, chemical, and biological properties. However, most chemical synthesis processes rely on ... -
Facile synthesis of nanosized sodium magnesium hydride, NaMgH3
(Journal article; Peer reviewed, 2013)The ternary magnesium hydride NaMgH3 has been synthesised via reactive milling techniques. The method employed neither a reactive H2 atmosphere nor high pressure sintering or other post-treatment processes. The formation ... -
Factors influencing dissolution of carbonaceous materials in liquid Fe– Mn
(Peer reviewed; Journal article, 2020)Carbon dissolution from four types of metallurgical cokes and graphite was investigated by using immersion rods in a resistance furnace to clarify the influence of factors governing the rate of carbon dissolution from ... -
Fading of Minor Elements in Aluminium (V, Ni, Sr & Bi)
(Bachelor thesis, 2022)Resirkuleringen av aluminium (Al), kalt sekundær Al, har blitt en stor del av den totale omsetningen av produsert Al. Veksten i bruk av sekundær Al i industrien er drevet av det lave energiforbruket, hvor det kun kreves ... -
Faktorar som påverkar energiforbruket i ein Royalprosess
(Master thesis, 2023)Arbeidet med denne rapporten er gjort i samarbeid med Talgø MøreTre AS, og det eksperimentelle arbeidet vart utført deira i storskala Royalanlegg i Surnadal, Noreg. Føremålet med arbeidet var å sjå korleis energiforbruket ... -
A fast, low temperature synthesis method for hexagonal YMnO3: Kinetics, purity, size and shape as studied by in situ X-ray diffraction
(Peer reviewed; Journal article, 2020)The reaction mechanisms, phase development and kinetics of the hydrothermal synthesis of hexagonal‐YMnO3 from Y2O3 and Mn2O3 using in situ X‐ray diffraction are reported under different reaction conditions with temperatures ... -
Fatigue of Extruded AA6082 and AA7108 Alloys - The Effects of Natural Ageing Compared to Artificial Ageing
(Master thesis, 2015)Heat treatable aluminium alloys might have the potential to gain unexpected increase in mechanical properties when stored at room temperature (natural ageing) after extrusion, for long periods of time. The main aim of the ... -
Fatigue of Welded AA6082 Alloys - Effects of PWHT and Shot Peening
(Master thesis, 2013)Aluminum is a metal widely used in areas such as a construction material in buildings, transportation,oil and gas industry, in packaging for preserving food and drink, electric cables, heatexchangers and many other areas. ... -
FDTD simulations of novel gain media
(Master thesis, 2014)Fourier-Laplace analysis of gain media predicts the existence of novel types of media. In particular it predicts the existence of media refracting positively and negatively at the same time, so-called simultaneous refraction. ... -
Fe and V substituted Li2MnSiO4/C As Potential Cathode Material for Li-Ion Batteries
(Journal article; Peer reviewed, 2015)Lithium transition-metal silicate materials are promising candidates for next generation Li-ion batteries since they allow Li extraction/insertion beyond one Li ion per formula unit. They consist of cheap, non-toxic and ... -
Feeding of Alumina in Molten Cryolite Bath
(Doctoral theses at NTNU;2023:21, Doctoral thesis, 2023)Alumina is the principal raw-material used for the production of aluminum in the Hall- Héroult process and is fed to the electrolytic bath in batches regularly. Maintaining a stable concentration in the bath is important ... -
Ferroelasticity, anelasticity and magnetoelastic relaxation in Co-doped iron pnictide: Ba(Fe0.957Co0.043)2As2
(Journal article; Peer reviewed, 2019)The hypothesis that strain has a permeating influence on ferroelastic, magnetic and superconducting transitions in 122 iron pnictides has been tested by investigating variations of the elastic and anelastic properties of ... -
Ferroelectric and dielectric properties of Ca2+-doped and Ca2+-Ti4+ co-doped K0.5Na0.5NbO3 thin films
(Journal article; Peer reviewed, 2020)Chemical solution deposition (CSD) of K0.5Na0.5NbO3 (KNN) thin films on silicon-based substrates is an interesting technology for fabrication of lead-free ferroelectric thin films. Here, we report on improved ferroelectric ... -
Ferroelectric Domain Engineering Using Structural Defect Ordering
(Peer reviewed; Journal article, 2022)Ferroelectrics have become indispensable in the development of energy-efficient oxide electronics. Their domain state is closely linked to the final device functionality, making domain engineering in technology-compatible ... -
Ferroelectric domain walls for nanotechnology
(Journal article, 2021)Ferroelectric domain walls have emerged as a new type of interface in which the dynamic characteristics of ferroelectricity introduce the element of spatial mobility, allowing real-time adjustment of position, density and ...