Browsing NTNU Open by Author "Glaum, Julia"
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Aerosol Deposited Piezoelectric Ceramic Coatings for Biomedical Applications
Bentzen, Marcus (Master thesis, 2021)Formålet med denne masteravhandlingen var å utvikle en prosedyre for post-prosessering av aerosol deponert BaTiO3 på 304SUS rustfritt stål og Ti6Al4V legering substrater med mål om å forbedre biomedisinsk funksjonalitet ... -
Aerosol deposited silver niobate for energy storage applications
Gansmo, Maja Kristine (Master thesis, 2024)Målet for denne masteroppgaven var å undersøke de funksjonelle egenskapene til \ce{AgNbO3}-belegg på substrat av rustfritt stål framstilt med aerosolavsetning, og hvordan disse egenskapene ble påvirket av en varmebehandling ... -
Anisotropic in-plane dielectric and ferroelectric properties of tensile-strained BaTiO3 films with three different crystallographic orientations
Ræder, Trygve Magnus; Holstad, Theodor Secanell; Nylund, Inger-Emma; Glaum, Julia; Einarsrud, Mari-Ann; Meier, Dennis; Grande, Tor (Peer reviewed; Journal article, 2021)Ferroelectric properties of films can be tailored by strain engineering, but a wider space for property engineering can be opened by including crystal anisotropy. Here, we demonstrate a huge anisotropy in the dielectric ... -
Assessment and Validation of the Engineering Performance of Central Venous Catheters (CVCs) and the Impact of Hemocompatible Thin Film Coatings
Fossum, Maren Kirknes (2022:338;2022:338, Doctoral thesis, 2022)Biomaterials used in implanted medical devices must fulfil a stringent set of requirements, and both the bulk - and the surface properties of a device material must be considered when evaluating the engineering performance ... -
Barium titanate-based bilayer functional coatings on Ti alloy biomedical implants
Poon, Kara Kamen; Schafföner, Stefan; Einarsrud, Mari-Ann; Glaum, Julia (Peer reviewed; Journal article, 2021)Piezoelectric coatings have the ability to functionalise conventional structural materials into responsive devices. Today, piezoelectric coatings have been applied to both rigid and flexible substrates for sensing, actuating, ... -
Biocompatibility of (Ba,Ca)(Zr,Ti)O3 piezoelectric ceramics for bone replacement materials
Poon, Kara; Wurm, Matthias C.; Evans, Donald; Einarsrud, Mari-Ann; Lutz, Rainer; Glaum, Julia (Journal article; Peer reviewed, 2019)Total joint replacement implants are generally designed to physically mimic the biological environment to ensure compatibility with the host tissue. However, implant instability exposes patients to long recovery periods, ... -
Controlling Phase Purity and Texture of K0.5Na0.5NbO3 Thin Films by Aqueous Chemical Solution Deposition
Gaukås, Nikolai Helth; Dale, Silje Marie; Ræder, Trygve Magnus; Toresen, Andreas; Holmestad, Randi; Glaum, Julia; Einarsrud, Mari-Ann; Grande, Tor (Journal article; Peer reviewed, 2019)Aqueous chemical solution deposition (CSD) of lead-free ferroelectric K0.5Na0.5NbO3 (KNN) thin films has a great potential for cost-effective and environmentally friendly components in microelectronics. Phase purity of KNN ... -
Determining fundamental properties from diffraction: Electric field induced strain and piezoelectric coefficient
Hinterstein, Manuel; Lee, Kaiyang; Esslinger, Sophia; Glaum, Julia; Studer, Andrew; Hoffman, Mark John; Hoffmann, Michael (Peer reviewed; Journal article, 2019)Neutron powder diffraction was used in operando to determine the macroscopic strain and piezoelectric coefficient as a function of applied electric field in a technically relevant actuator material. We were able to ... -
Development of Piezoelectric BCZT Ceramics as Electroactive Bone Implant Material
Poon, Kara Kamen (Doctoral theses at NTNU;2020:148, Doctoral thesis, 2020)The functionalisation of current load-bearing bone implant metals with piezoelectric ceramics is envisioned as a novel opportunity for promoting tissue healing and improving the strength of the bone-implant interface through ... -
Development of piezoelectric coatings on metal substrates for biomedical applications - The effect of substrate surface texturing on coating properties
Solum, Marcus Oskar Heggen (Master thesis, 2020)Formålet med denne mastergradsavhandlinga var å undersøke korleis overflateteksturen til Ti6Al4V-substrat påverkar eigenskapane til spinnbelagte, piezoelektiske tynnfilmar av BaTiO3. Dette er viktig frå eit biomedisinsk ... -
Development of Piezoelectric Composite Ceramic Coatings on Metal Substrates for Biomedical Applications
Gunstad, Martha Seim (Master thesis, 2022)Helbredelse av skadede ben kan forbedres ved å øke benveksten. Dette kan gjøres ved hjelp av elektrisk stimulering. Piezoelektriske implantatmaterialer er en mulighet for å oppnå denne stimuleringen. Piezoelektriske keramer ... -
Development of Piezoelectric Composite Ceramic Coatings on Zirconia Substrates for Biomedical Application
Novak, Elin Tjomstøl (Master thesis, 2024)Denne masteroppgaven undersøker muligheten for å forbedre levetiden til tannimplantater ved å påføre et komposittmateriale av bariumtitanat (BT) og dentalporselen på zirkoniasubstrater for å fremme bedre osseointegrasjon. ... -
Dielectric and piezoelectric properties of barium calcium zirconate titanate ceramics
Johnsen, Elin Hagen (Master thesis, 2019)Det ferroelektriske systemet barium calcium zirconate titanate er av høy interesse for bruk i industrielle applikasjoner på grunn av eksepsjonelt høye piezoelektriske koeffisienter. Videre så utgjør det et interessant ... -
Effect of mechanical depoling on piezoelectric properties of Na0.5Bi0.5TiO3 - xBaTiO3 in the morphotropic phase boundary region
Denis, L; Glaum, Julia; Hoffman, Mark; Daniels, John E.; Hooper, Ryan; Tutuncu, Goknur; Forrester, Jennifer; Jones, Jacob L. (Journal article; Peer reviewed, 2018)The effect of mechanical stress on the direct piezoelectric properties of pre-poled (1 − x)(Na0.5Bi0.5)TiO3–xBaTiO3 (NBT–xBT) in the range 4% ≤ x ≤ 13% was studied in situ using a mechanical load frame. Prior to mechanical ... -
Effect of porosity on the ferroelectric and piezoelectric properties of (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 piezoelectric ceramics
Yap, Emily; Glaum, Julia; Oddershede, Jette; Daniels, John E. (Peer reviewed; Journal article, 2018)The ferroelectric and piezoelectric properties of (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 (BCZT) ceramics were measured as a function of porosity. Porous BCZT ceramics were fabricated using the sacrificial fugitive technique. Two ... -
Electrical Fatigue Behavior of Ba0. 85Ca0. 15Zr0. 1Ti0. 9O3 Ceramics Under Different Oxygen Concentrations
Pomyai, P; Munthala, D; Sonklin, T; Supruangnet, R; Nakajima, Hironori; Janphuang, P; Dale, Silje Marie; Glaum, Julia; Pojprapai, Soodkhet (Peer reviewed; Journal article, 2020)Fatigue degradation is a significant problem in piezo/ferroelectric materials and their commercial applications. The major causes of electrical fatigue degradation are a domain pinning effect and physical damage such as ... -
Electrical fatigue behavior of Ba0.85Ca0.15Zr0.1Ti0.9O3 ceramics under different oxygen concentrations
Pomyai, P; Munthala, D; Sonklin, T; Supruangnet, R; Janphuang, P; Dale, Silje Marie; Glaum, Julia; Pojprapai, Soodkhet (Peer reviewed; Journal article, 2021)Fatigue degradation is a significant problem in piezo/ferroelectric materials and their commercial applications. The major causes of electrical fatigue degradation are a domain pinning effect and physical damage such as ... -
Electrical Treeing and Partial Discharge Behaviour in Epoxy Nanocomposites with in situ Synthesized SiO2
Adnan, Mohammed Mostafa; Ve, Torbjørn Andersen; Hvidsten, Sverre; Ese, Marit-Helen Glomm; Glaum, Julia; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2023)The electrical treeing resistance of epoxy-SiO2 nanocomposites prepared by synthesizing functionalized SiO2 nanoparticles directly in epoxy was investigated and compared to pure epoxy (diglycidyl ether of bisphenol-A). ... -
Enhanced grain growth and dielectric properties in aerosol deposited BaTiO3
Bentzen, Marcus Hoseth; Maier, Juliana; Eckstein, Udo; He, Jianying; Henss, Anja; Khansur, Neamul; Glaum, Julia (Peer reviewed; Journal article, 2023)Piezoelectric ceramics are envisioned as cell stimulating materials for in-vivo, load-bearing applications. To compensate for their brittle nature developing ceramic films on medically accredited metals is a promising ... -
Enhanced in-plane ferroelectricity in BaTiO3 thin films fabricated by aqueous chemical solution deposition
Ræder, Trygve Magnus; Bakken, Kristine; Glaum, Julia; Einarsrud, Mari-Ann; Grande, Tor (Journal article; Peer reviewed, 2018)Ferroelectric BaTiO3 is widely used in capacitors, but the low Curie temperature limits a further use of BaTiO3. In this work we present an aqueous chemical solution deposition (CSD) route for BaTiO3 thin films, demonstrating ...