Vidar Folke Hansen
Adjunct Professor
-
Structure Physics

Norwegian version of this page
Email
v.f.hansen@fys.uio.no
Phone
+47 22958735
Username
Visiting address
Sem Sælands vei 24
Fysikkbygningen
0371 OSLO
Postal address
Postboks 1048 Blindern
0316 OSLO
Publications
- Adasooriya, Mudiyan Nirosha Damayanthi; Tucho, Wakshum Mekonnen; Holm, Erlend; Årthun, Terje; Hansen, Vidar; Solheim, Karl Gunnar & Hemmingsen, Tor (2020). Effect of hydrogen on mechanical properties and fracture of martensitic carbon steel under quenched and tempered conditions. Materials Science & Engineering: A. ISSN 0921-5093. 803 . doi: 10.1016/j.msea.2020.140495
- Belsvik, Marius Aga; Tucho, Wakshum Mekonnen & Hansen, Vidar (2020). Microstructural studies of direct‑laser‑deposited stainless steel 316L‑Si on 316L base material. SN Applied Sciences. ISSN 2523-3963. 2 . doi: 10.1007/s42452-020-03530-3
- Hansen, Vidar; Kosinskiy, Andrey & Taftø, Johan (2020). Distinguishing space groups by electron channelling: centrosymmetric full-Heusler or non-centrosymmetric half-Heusler?. Acta Crystallographica Section A: Foundations and Advances. ISSN 2053-2733. A76, s 211- 213 . doi: 10.1107/S2053273319016942 Full text in Research Archive.
- Delimitis, Andreas; Hansen, Vidar & Gjønnes, Jon (2019). Geometry determination and refinement in the rotation electron diffraction technique. Ultramicroscopy. ISSN 0304-3991. 201, s 68- 76 . doi: 10.1016/j.ultramic.2019.02.011 Full text in Research Archive. Show summary
- Guo, Kun; Hansen, Vidar; Li, Hailong & Yu, Zhixin (2018). Monodispersed nickel and cobalt nanoparticles in desulfurization of thiophene for in-situ upgrading of heavy crude oil. Fuel. ISSN 0016-2361. 211, s 697- 703 . doi: 10.1016/j.fuel.2017.09.097 Show summary
- Hansen, Vidar; Echevarria-Bonet, Cristina; Minde, Mona Wetrhus & Taftø, Johan (2018). Determination of atomic positions and polar direction in half-Heusler material Sb1- xSnxTi1-y-zHfyZrzCo using electron channeling. AIP Advances. ISSN 2158-3226. 8(12), s 1- 9 . doi: 10.1063/1.5042816 Full text in Research Archive.
- Hjuler, M.Leth; Hansen, Vidar & Fabricius, Ida Lykke (2018). Interpretational challenges related to studies of chalk particle surfaces in scanning and transmission electron microscopy. Bulletin of the Geological Society of Denmark. ISSN 0011-6297. 66, s 151- 165
- Tucho, Wakshum Mekonnen & Hansen, Vidar (2018). Characterization of SLM-fabricated Inconel 718 after solid solution and precipitation hardening heat treatments. Journal of Materials Science. ISSN 0022-2461. 54(1), s 823- 839 . doi: 10.1007/s10853-018-2851-x
- Tucho, Wakshum Mekonnen; Lysne, Vidar Hellandsjø; Austbø, Jon Håkon; Sjølyst-Kverneland, Atle & Hansen, Vidar (2018). Investigation of effects of process parameters on microstructure and hardness of SLM manufactured SS316L. Journal of Alloys and Compounds. ISSN 0925-8388. 740, s 910- 925 . doi: 10.1016/j.jallcom.2018.01.098
- Buxhuku, Mika; Hansen, Vidar & Gjønnes, Jon (2017). The measurement of intensities in the Rotation Electron Diffraction Technique. Micron. ISSN 0968-4328. 101, s 103- 107 . doi: 10.1016/j.micron.2017.06.006
- Tucho, Wakshum Mekonnen; Cuvillier, Priscille; Sjølyst-Kverneland, Atle & Hansen, Vidar (2017). Microstructure and hardness studies of Inconel 718 manufactured by selective laser melting before and after solution heat treatment. Materials Science & Engineering: A. ISSN 0921-5093. 689, s 220- 232 . doi: 10.1016/j.msea.2017.02.062
- Buxhuku, Mika; Hansen, Vidar; Oleynikov, Peter & Gjønnes, Jon (2013). The determination of rotation axis in the Rotation Electron Diffraction Technique. Microscopy and Microanalysis. ISSN 1431-9276. 19(5), s 1276- 1280 . doi: 10.1017/S1431927613012749
- Sjølyst-Kverneland, Atle; Hansen, Vidar; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Pattison, P; Li, X.Z. & Gjønnes, Jon (2011). Transformations and structures in the Al-Zn-Mg alloy system: A diffraction study using synchrotron radiation and electron precession. Materials Science & Engineering: A. ISSN 0921-5093. 528(3), s 880- 887 . doi: 10.1016/j.msea.2010.10.001
- Sjølyst-Kverneland, Atle; Hansen, Vidar; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Pattison, Philip; Li, XZ & Gjønnes, Jon (2010). Transformations and structures in the Al?Zn?Mg alloy system: A diffraction study using synchrotron radiation and electron precession. Materials Science & Engineering: A. ISSN 0921-5093. . doi: 10.1016/j.msea.2010.10.001 Show summary
- Haakenaasen, Randi; Selvig, Espen; Hadzialic, S; Skauli, Torbjørn; Hansen, Vidar; Tibballs, J.E.; Steen, Harald; Foss, S.; Trosdahl-Iversen, Laila; Tafto, Johan; Halsall, M. & Orr, John (2008). Nanowires in the CdHgTe material system. Journal of Electronic Materials. ISSN 0361-5235. 37(9), s 1311- 1317 Show summary
- Selvig, Espen; Hadzialic, S; Skauli, Torbjørn; Steen, Harald; Hansen, Vidar; Trosdahl-Iversen, L; van Rheenen, Arthur D.; Lorentzen, T & Haakenaasen, Randi (2006). Growth of HgTe nanowires. Physica scripta. Topical Issues. ISSN 0281-1847. 126, s 115- 120
- Hansen, Vidar; Vevecka-Priftaj, A; Fjerdingen, J; Langsrud, Y & Gjønnes, Jon (2006). The influence of silicon on age hardening kinetics and phase precipitations in Al-Mg-Zn alloys. Materials Science Forum. ISSN 0255-5476. 519-521, s 579- 584
- Kverneland, A.; Hansen, Vidar; Vincent, R.; Gjønnes, Kjersti & Gjønnes, Jon (2006). Structure analysis of embedded nano-sized particles by precession electron diffraction. eta '-precipitate in an Al-Zn-Mg alloy as example. Ultramicroscopy. ISSN 0304-3991. 106(106), s 492- 502
- Gjonnes, J.; Hansen, Vidar & Kverneland, Atle (2004). The precession technique in electron diffraction and its application to structure determination of nano-size precipitates in alloys. Microscopy and Microanalysis. ISSN 1431-9276. 10, s 16- 20
- Gjønnes, Jon; Hansen, Vidar & Kverneland, Atle (2004). The precession technique in electron diffraction and its application to structure determination of nano-size precipitates in alloys. Microscopy and Microanalysis. ISSN 1431-9276. 10, s 16- 20
- Hansen, Vidar; Karlsen, Ole Bjørn; Langsrud, Yngve & Gjønnes, Jon (2004). Precipitates, zones and transitions during ageing of Al-Zn-Mg-Zr 7000 series alloy. Materials Science and Technology. ISSN 0267-0836. (20), s 185- 193
- Hansen, Vidar; Karlsen, Ole Bjørn; Langsrud, Yngve & Gjønnes, Jon (2004). Precipitates, zones and transitions during aging of Al-Zn-Mg-Zr7000series alloy. Materials Science and Technology. ISSN 0267-0836. 20, s 185- 193
- Gjønnes, Jon; Hansen, Vidar; Andersen, S.J.; Marioara, C.D. & Li, XZ (2003). Electron crystallography of aluminium alloy phases. ?. 218, s 293- 307
- Berg, Line; Gjønnes, Jon; Hansen, Vidar; Li, X.Z; Knutson-Wedel, Maria; Waterloo, Grethe; Schryvers, D & Wallenberg, L.R. (2001). GP-Zones in Al-Zn-Mg Alloys and Their Role in Artificial Aging. Acta Materialia. ISSN 1359-6454. 49(17), s 3443- 3451
- Burchardt, Trygve; Hansen, Vidar & Våland, Torstein (2001). Microstructure and catalytic activity towards the hydrogen evolution reaction of electrodeposited NiPx alloys. Electrochimica Acta. ISSN 0013-4686. 46(18), s 2761- 2766
- Jiang, X.J.; Noble, B.; Hansen, Vidar & Tafto, Johan (2001). Influence of Zirconium and Copper on the Early Stages of Aging in Al-Zn-Mg Alloys. ?. 32A, s 1063- 1073
- Waterloo, Grethe; Hansen, Vidar; Gjønnes, Jon & Skjervold, Svein Roger (2001). Effect of predeformation and preaging at room temperature in Al-Zn-Mg-(Cu,Zr) alloys. Materials Science and Engineering. ISSN 0025-5416. (A303), s 226- 233
- Wulff-Pedersen, Erik; Neumann, Else-Ragnhild; Burke, Ernst A. J.; Vannucci, Riccardo; Gjønnes, Jon & Hansen, Vidar (2000). Origin and structural character of Hauyne in spinel dunite xenoliths from La Palma, Canary Island. American Mineralogist. ISSN 0003-004X. 85, s 1397- 1405
- Delimitis, Andreas; Gjønnes, Jon & Hansen, Vidar Folke (2019). Refinement Approaches in the Diffraction Geometry of the Rotation Electron Diffraction Method. Show summary
- Delimitis, Andreas; Gjønnes, Jon & Hansen, Vidar Folke (2019). Rotation Electron Diffraction for Structure Determination and Refinement: Applications in Nanocrystalline Thermoelectrics. Show summary
- Delimitis, Andreas; Hansen, Vidar Folke; Symeou, Elli; Kyratsi, Theodora; Minde, Mona Wetrhus & Taftø, Johan (2019). DETERMINATION OF HOST AND DOPANT ION DISTRIBUTION IN MG2SI1-XSNX THERMOELECTRIC MATERIALS BY ELECTRON CHANNELING. Acta Crystallographica Section A: Foundations and Advances. ISSN 2053-2733. 75, s e321 . doi: 10.1107/S2053273319092350 Show summary
- Delimitis, Andreas; Hansen, Vidar Folke; Symeou, Elli; Kyratsi, Theodora; Minde, Mona Wetrhus & Taftø, Johan (2019). Determination of host and dopant ion distribution in Mg2Si1-xSnx thermoelectric materials by electron channeling. Show summary
- Tofan, Raluca; Echevarria-Bonet, Cristina; Berland, Kristian; Schrade, Matthias; Sørby, Magnus Helgerud; Hauback, Bjørn Christian; Persson, Clas; Prytz, Øystein; Hansen, Vidar & Gunnæs, Anette Eleonora (2016). Microstructural characterization of spark plasma sintered (X,X’)NiSn half‐Heusler alloys.
- Tofan, Raluca; Echevarria-Bonet, Cristina; Berland, Kristian; Schrade, Matthias; Sørby, Magnus Helgerud; Hauback, Bjørn Christian; Persson, Clas; Prytz, Øystein; Hansen, Vidar & Gunnæs, Anette Eleonora (2016). The effect of spark plasma sintering on structure and phase stability in half-Heusler thermoelectric alloys.
- Song, Xin; Persson, Clas; Norby, Truls; Flage-Larsen, Espen; Karlsen, Ole Bjørn; Hansen, Vidar; Gunnæs, Anette Eleonora; Prytz, Øystein; Løvvik, Ole Martin; Finstad, Terje; Valset, Kjetil; Cui, Xuemei; Taftø, Johan; Fjeld, Harald; Hauback, Bjørn & Schrade, Matthias (2014). Conversion of Heat and Energy: Thermoelectrics.
- Buxhuku, Mika; Hansen, Vidar & Gjønnes, Jon (2012). The geometry and measurement of integrated intensities in Rotation Electron Diffraction method.
- Buxhuku, Mika; Hansen, Vidar & Magnus, Sørby (2012). Electron and powder diffraction techniques for accurate structure factors.
- Buxhuku, Mika; Hansen, Vidar; Oleynikov, P. & Gjønnes, Jon (2012). Determination of crystallographic tilt axis in Rotation Electron Diffraction.
- Løvvik, Ole Martin; Valset, Kjetil; Rauwel, Protima; Prytz, Øystein; Flage-Larsen, Espen; Song, Xin; Karlsen, Ole Bjørn; Bording, Jan Kåre; Hansen, Vidar; Norby, Truls; Finstad, Terje & Taftø, Johan (2012). Thermoelectricity in Oslo.
- Qureishy, Thomas; Hansen, Vidar; Karlsen, Ole Bjørn; Gunnæs, Anette Eleonora & Taftø, Johan (2012). Superstructures in Mg2Si1-xSnx.
- Valset, Kjetil; Prytz, Øystein; Hansen, Vidar & Taftø, Johan (2012). Quantitative study of structure factors at large reciprocal vectors using convergent beam electron diffraction: Application to anharmonicity of the thermal motion in Mg2Si.
- Bording, Jan Kåre & Hansen, Vidar (2011, 05. mai). A Totally New Take On Heat Pumps. [Internett]. Efie.net.
- Bording, Jan Kåre & Hansen, Vidar (2011, 30. april). Forskere fra Universitetet i Stavanger Arbeidet med en varmepumpe som varer evig. [Internett]. Azocleantech.
- Bording, Jan Kåre & Hansen, Vidar (2011, 27. april). New heat pump could last 10,000 years, experts say. [Internett]. Environment news blog.
- Bording, Jan Kåre & Hansen, Vidar (2011, 01. mai). Researchers Develop a Heat Pump That Can Last 10,000 Years. [Internett]. Zeitnews. Show summary
- Bording, Jan Kåre & Hansen, Vidar (2011, 29. april). Researchers claim that new heat pump can last almost forever?. [Internett]. Engineers Edge.
- Bording, Jan Kåre & Hansen, Vidar (2011, 30. april). Researchers from University of Stavanger Work on a Heat Pump that Lasts Forever. [Internett]. Azocleantech.
- Bording, Jan Kåre & Hansen, Vidar (2011, 05. mai). This heat pump can last 10 000 years. [Internett]. Scientific Computing.
- Bording, Jan Kåre & Hansen, Vidar (2011, 29. april). This heat pump can last 10 000 years. [Internett]. Abovetopsecret.
- Bording, Jan Kåre & Hansen, Vidar (2011, 03. mai). This heat pump can last 10000 years.... [Internett]. Fluid World.
- Bording, Jan Kåre & Hansen, Vidar (2011, 27. april). Wärmepumpen: Kältemittel bald überflüssig. [Internett]. Innovations Report.
- Buxhuku, Mika; Karlsen, Ole Bjorn; Gjønnes, Jon; Gjønnes, Kjesti & Hansen, Vidar (2011). Accurate structure factors of skutterudites:Electron Diffraction Techniques. Acta Crystallographica Section A: Foundations of Crystallography. ISSN 0108-7673. 67, s 696- 697
- Bording, Jan Kåre & Hansen, Vidar (2010, 23. desember). Denne varmepumpa kan vare i 10 000 år. [Internett]. forskning.no. Show summary
- Bording, Jan Kåre & Hansen, Vidar (2010). Denne varmepumpa kan vare i 10000 år. UniverS : magasin for Universitetet i Stavanger. 4
- Bording, Jan Kåre & Hansen, Vidar (2010, 15. desember). Denne varmepumpa kan vare i 10000 år. Show summary
- Bording, Jan Kåre & Hansen, Vidar (2010). Termoelektrisitet - en "ny type" varmepumpe. Show summary
- Bording, Jan Kåre & Hansen, Vidar (2010). Varmepumpe for evigheten. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116. s 7- 8
- Bording, Jan Kåre & Hansen, Vidar (2010, 18. desember). Varmepumpe for evigheten Form og størrelse kan tilpasses etter behov. Show summary
- Bording, Jan Kåre & Hansen, Vidar (2009). Improved thermoelectric materials through nanostructuring: implications for energy savings. Show summary
- Bording, Jan Kåre; Prytz, Øystein; Hansen, Vidar & Taftø, Johan (2009). Improved thermoelectric materials through nanostructuring: implications for energy savings.
- Böttger, Paul Heinrich Michael; Valset, Kjetil; Flage-Larsen, Espen; Prytz, Øystein; Bording, Jan Kåre; Karlsen, Ole Bjørn; Løvvik, Ole Martin; Hansen, Vidar; Finstad, Terje & Taftø, Johan (2009). An overview of our basic and applied thermoelectric research activity.
- Hansen, Vidar; Oddsen, Ingunn Cecilie; Kverneland, Atle; Larsen, Helge Bøvik; Pattison, Philip; Thorkildsen, Gunnar & Gjønnes, Jon (2009). Diffuse scattering from zones and particles in the Al-Zn-Mg alloy system.
- Hansen, Vidar; Kverneland, Atle; Li, X.Z.; Thorkildsen, Gunnar; Larsen, Helge Bøvik & Gjønnes, Jon (2008). Elektronmikroskopi og synkrotronrøntgen diffraksjonsstudier av transformasjoner og strukturer i 7xxx-legeringer.
- Oddsen, Ingunn Cecilie; Hansen, Vidar; Kverneland, Atle & Gjønnes, Jon (2008). Phase transition in age-hardening Al-Zn-Mg alloys. Show summary
- Hansen, Vidar; Kverneland, Atle; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Vincent, Roger & Gjønnes, Jon (2007). Structure analysis of the n'-precipitate in Al-Zn-Mg alloys by the precession technique in electron diffraction and synchrotron radiation.
- Hansen, Vidar; Kverneland, Atle; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Pattison, Philip; Gilmore, Cristopher; Vincent, Roger & Gjønnes, Jon (2006). Structure determination of nanosized semi-coherent Al-Mg-Zn precipitates by precession electron diffraction and synchrotron X-ray diffraction.
- Hansen, Vidar; Kverneland, Atle; Larsen, Helge Bøvik; Pattison, Philip; Vincent, Roger & Gjønnes, Jon (2005). Structure Determination of Embedded Precipitates by Precession Electron Diffraction and Synchrotron Radiation: A Comparison.
- Hjuler, Morten Leth & Hansen, Vidar (2005). Characterization and distribution of different silica and clay phases in outcrop chalk.
- Hansen, Vidar (2004). Elektronmikroskopi ved HIS; Utrustning og aktiviteter.
- Hansen, Vidar; Kverneland, Atle; Vincent, Roger; Li, X.Z.; Stiller, Krystyna & Gjønnes, Jon (2004). Precession electron diffraction, high-resolution microscopy and atom probe analysis of nano-sized precipitates in Al-Zn-Mg industrial alloys.
- Kverneland, Atle; Hansen, Vidar; Vincent, Roger & Gjønnes, Jon (2004). Strukturmodeller for herdefasen etta merket-MgZn i 7xxx legeringer.
- Hansen, Vidar (2003). Fast stoff reaksjoner i aluminium, en norsk gullgruve.
- Hansen, Vidar; Kverneland, Atle; Li, X.Z; Stiller, Krystyna; Vincent, Roger; Gjønnes, Kjersti & Gjønnes, Jon (2003). Crystal structures along the transformation path during age hardening in Al-Zn-Mg alloys by high resolution electron microscopy, precession electron diffraction and atom probe analysis.
- Knutsen, Turid; Hansen, Vidar; Håkansson, B; Gunnæs, Anette; Jørgensen, Sissel; Våland, Torstein & Taftø, Johan (2003). A Study of Amorphous and Crystalline Ni78Si8B14.
- Kverneland, Atle; Gjønnes, Jon; Hansen, Vidar & Vincent, Roger (2003). Structure solution of the hardening n'-precipitate in Al-Mg-Zn alloys by the precession technique in electron diffraction.
- Kverneland, Atle; Hansen, Vidar; Gjønnes, Jon & Vincent, Roger (2003). Structure solution of the hardening etta prime precipitate in Al-Zn-Mg alloys by the precession technique in electron diffraction.
- Gao, Robert Qiang; Stiller, Krystyna; Hansen, Vidar; Oskarsson, Anders & Danoix, Frederic (2002). Influence of Aging Conditions on the Microstructure and Tensile Strenght of Aluminium Alloy 6063.
- Gjønnes, Jon; Hansen, Vidar & Li, X.Z (2002). The collection of electron intensity data and its use in structure determination.
- Hansen, Vidar (2002). Tid-temperatur transformasjoner i 7xxx-aluminiumslegeringer.
- Hansen, Vidar & Larsen, Helge Bøvik (2002). Metallenes indre liv.
- Hansen, Vidar; Stiller, Krystyna; Waterloo, Grethe & Gjønnes, Jon (2002). Structures and Transformations During Artificial Aging of an Industrial 7xxx-Series Al-Zn-Mg-Zr Alloy.
- Sørbrøden, Erik; Hansen, Vidar; Olsen, Arne; Holme, Børge & Taftø, Johan (2002). Imaging of hardening particles in an Al-Mg-Zn alloy using plasmon electron energy losses.
- Gjønnes, Jon; Hansen, Vidar & Waterloo, Grethe (2001). Nucleation and growth of hardening precipitates in 7xxx-alloys.
- Hansen, Vidar (2001). Strukturer og fasetransformasjoner i utherdbare industrilegeringer.
- Hansen, Vidar (2001). Zones and Age Hardening Particles in the 7xxx-Alloy System.
- Hansen, Vidar; Karlsen, Ole Bjørn & Gjønnes, Jon (2001). Utbredelse av soner og herdepartikler i 7108.70; transmisjonselektronmikroskopi og differensiell skanning kalorimetri.
- Solberg, Jan Ketil & Hansen, Vidar (2001). Innføring i transmisjon elektronmikroskopi.
Published Nov. 4, 2010 12:18 PM
- Last modified May 24, 2013 6:48 PM