Jostein Grepstad
Bakgrunn og aktiviteter
Jostein Grepstad (1951) er professor ved Institutt for elektroteknikk og telekommunikasjon. Han tilhører forskningsgruppen for Nanoelektronikk og fotonikk. Professor Grepstad er utdannet sivilingeniør fra NTH (1975) og har doktorgrad i fysikk fra samme sted (1982).
Vitenskapelig, faglig og kunstnerisk arbeid
Et utvalg av nyere tidsskriftspublikasjoner, kunstneriske produksjoner, bok, inklusiv bokdeler og rapport-del. Se alle publikasjoner i databasen
Tidsskriftspublikasjoner
- (2021) Anisotropy and domain formation in a dipolar magnetic metamaterial. Applied Physics Letters. vol. 118.
- (2021) Effects of array shape and disk ellipticity in dipolar-coupled magnetic metamaterials. Physical review B (PRB). vol. 104 (13).
- (2020) Direct imaging of long-range ferromagnetic and antiferromagnetic order in a dipolar metamaterial. Physical Review Research (PRResearch). vol. 2 (1).
- (2020) Enhanced magnetic signal along edges of embedded epitaxial La0.7Sr0.3MnO3 nanostructures. Journal of Magnetism and Magnetic Materials. vol. 521 (1).
- (2020) Exchange explosions of topological edge defects in a square micromagnet. Physical review B (PRB). vol. 101 (1).
- (2019) Shape-imposed anisotropy in antiferromagnetic complex oxide nanostructures. Applied Physics Letters. vol. 115 (11).
- (2019) Neel vector reorientation in ferromagnetic/antiferromagnetic complex oxide nanostructures. Applied Physics Letters. vol. 114 (19).
- (2019) Effects of lattice geometry on the dynamic properties of dipolar-coupled magnetic nanodisk arrays. Physical review B (PRB). vol. 99 (064418).
- (2018) Magnetic domain formation in ultrathin complex oxide ferromagnetic/antiferromagnetic bilayers. Applied Physics Letters. vol. 113 (13).
- (2018) Interplay between bulk and edge-bound topological defects in a square micromagnet. Applied Physics Letters. vol. 112 (4).
- (2017) Effect of surface roughness, chemical composition, and native oxide crystallinity on the orientation of self-assembled GaN nanowires on Ti foils. Nanotechnology. vol. 28 (42).
- (2017) Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films. APL Materials. vol. 5 (8).
- (2017) Temperature and Orientation Dependent Exchange Coupling in Epitaxial Oxide Micromagnets. PHYSICAL REVIEW MATERIALS. vol. 1.
- (2017) Tailoring the magnetic order in a supermagnetic metamaterial. AIP Advances. vol. 7 (5).
- (2016) Concurrent magnetic and structural reconstructions at the interface of (111)-oriented L a0.7 S r0.3Mn O3/LaFe O3. Physical Review B. Condensed Matter and Materials Physics. vol. 94 (20).
- (2016) Tailoring Spin Textures in Complex Oxide Micromagnets. ACS Nano. vol. 10 (9).
- (2015) Controlling the switching field in nanomagnets by means of domain-engineered antiferromagnets. Physical Review B. Condensed Matter and Materials Physics. vol. 92 (9).
- (2015) Crystalline symmetry controlled magnetic switching in epitaxial (111) La0.7Sr0.3MnO3 thin films. APL Materials. vol. 3 (6).
- (2013) In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films. Philosophical Magazine. vol. 93 (13).
- (2013) Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3. Journal of Applied Physics. vol. 113 (18).