Olof Karis
Professor vid Institutionen för fysik och astronomi; Röntgenfysik
- Telefon:
- 018-471 36 14
- Mobiltelefon:
- 070-425 03 29
- E-post:
- olof.karis@physics.uu.se
- Besöksadress:
- Ångströmlaboratoriet, Regementsvägen 10
752 37 Uppsala - Postadress:
- Box 524
751 20 UPPSALA
Ladda ned kontaktuppgifter för Olof Karis vid Institutionen för fysik och astronomi; Röntgenfysik
Professor vid Institutionen för fysik och astronomi; Röntgenfysik; Energimaterialens fysik
- Telefon:
- 018-471 36 14
- Mobiltelefon:
- 070-425 03 29
- E-post:
- olof.karis@physics.uu.se
- Besöksadress:
- Ångströmlaboratoriet, Regementsvägen 10
752 37 Uppsala - Postadress:
- Box 524
751 20 UPPSALA
- Akademiska meriter:
- FD

Publikationer
Senaste publikationer
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Electrical Control of Ultrafast Magnetic Speeds in Graphene Spin Field-Effect Junctions
Ingår i Physical Review Letters, 2025
- DOI för Electrical Control of Ultrafast Magnetic Speeds in Graphene Spin Field-Effect Junctions
- Ladda ner fulltext (pdf) av Electrical Control of Ultrafast Magnetic Speeds in Graphene Spin Field-Effect Junctions
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Ingår i Physical Review B, 2025
- DOI för Evidence of an exchange-based origin of demagnetization from the fluence dependent delay of Ni in a disordered Fe0.5Ni0.5 alloy
- Ladda ner fulltext (pdf) av Evidence of an exchange-based origin of demagnetization from the fluence dependent delay of Ni in a disordered Fe0.5Ni0.5 alloy
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Elemental asymmetries of spin and electron dynamics in an insulating ferrimagnet
Ingår i Applied Physics Letters, 2025
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Ingår i Applied Surface Science, 2025
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Ingår i Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films, 2024
- DOI för Near-surface electronic structure in strained Ni-ferrite films: An x-ray absorption spectroscopy study
- Ladda ner fulltext (pdf) av Near-surface electronic structure in strained Ni-ferrite films: An x-ray absorption spectroscopy study
Alla publikationer
Artiklar i tidskrift
-
Electrical Control of Ultrafast Magnetic Speeds in Graphene Spin Field-Effect Junctions
Ingår i Physical Review Letters, 2025
- DOI för Electrical Control of Ultrafast Magnetic Speeds in Graphene Spin Field-Effect Junctions
- Ladda ner fulltext (pdf) av Electrical Control of Ultrafast Magnetic Speeds in Graphene Spin Field-Effect Junctions
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Ingår i Physical Review B, 2025
- DOI för Evidence of an exchange-based origin of demagnetization from the fluence dependent delay of Ni in a disordered Fe0.5Ni0.5 alloy
- Ladda ner fulltext (pdf) av Evidence of an exchange-based origin of demagnetization from the fluence dependent delay of Ni in a disordered Fe0.5Ni0.5 alloy
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Elemental asymmetries of spin and electron dynamics in an insulating ferrimagnet
Ingår i Applied Physics Letters, 2025
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Ingår i Applied Surface Science, 2025
-
Ingår i Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films, 2024
- DOI för Near-surface electronic structure in strained Ni-ferrite films: An x-ray absorption spectroscopy study
- Ladda ner fulltext (pdf) av Near-surface electronic structure in strained Ni-ferrite films: An x-ray absorption spectroscopy study
-
Atom-specific magnon driven ultrafast spin dynamics in Fe1-xNix alloys
Ingår i Physical Review B, 2023
- DOI för Atom-specific magnon driven ultrafast spin dynamics in Fe1-xNix alloys
- Ladda ner fulltext (pdf) av Atom-specific magnon driven ultrafast spin dynamics in Fe1-xNix alloys
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Ingår i Physical Review B, 2023
- DOI för Element-resolved evidence of superdiffusive spin current arising from ultrafast demagnetization process
- Ladda ner fulltext (pdf) av Element-resolved evidence of superdiffusive spin current arising from ultrafast demagnetization process
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Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix alloys
Ingår i Physical Review B, 2023
- DOI för Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix alloys
- Ladda ner fulltext (pdf) av Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix alloys
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Observation of coherently coupled cation spin dynamics in an insulating ferrimagnetic oxide
Ingår i Applied Physics Letters, 2023
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Element-selective ultrafast magnetization dynamics of hybrid Stoner-Heisenberg magnets
Ingår i Physical Review B, 2022
- DOI för Element-selective ultrafast magnetization dynamics of hybrid Stoner-Heisenberg magnets
- Ladda ner fulltext (pdf) av Element-selective ultrafast magnetization dynamics of hybrid Stoner-Heisenberg magnets
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Ultrafast modification of the electronic structure of a correlated insulator
Ingår i Physical Review Research, 2022
- DOI för Ultrafast modification of the electronic structure of a correlated insulator
- Ladda ner fulltext (pdf) av Ultrafast modification of the electronic structure of a correlated insulator
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Experimental confirmation of the delayed Ni demagnetization in FeNi alloy
Ingår i Applied Physics Letters, 2022
- DOI för Experimental confirmation of the delayed Ni demagnetization in FeNi alloy
- Ladda ner fulltext (pdf) av Experimental confirmation of the delayed Ni demagnetization in FeNi alloy
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Ingår i European Journal of Inorganic Chemistry, s. 1736-1744, 2021
- DOI för All-alkoxide based deposition and properties of a multilayer La0.67Sr0.33MnO3/CoFe2O4/La0.67Sr0.33MnO3 film
- Ladda ner fulltext (pdf) av All-alkoxide based deposition and properties of a multilayer La0.67Sr0.33MnO3/CoFe2O4/La0.67Sr0.33MnO3 film
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Perpendicular and In-Plane Hole Asymmetry in a Strained NiFe2O4 film
Ingår i Journal of Physics, 2021
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Quantifying Spin-Mixed States in Ferromagnets
Ingår i Physical Review Letters, 2021
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Element-Specific Magnetization Dynamics in Co-Pt Alloys Induced by Strong Optical Excitation
Ingår i The Journal of Physical Chemistry C, s. 11714-11721, 2021
- DOI för Element-Specific Magnetization Dynamics in Co-Pt Alloys Induced by Strong Optical Excitation
- Ladda ner fulltext (pdf) av Element-Specific Magnetization Dynamics in Co-Pt Alloys Induced by Strong Optical Excitation
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Optical and extreme UV studies of spin dynamics in metallic and insulating ferrimagnets
Ingår i Journal of Applied Physics, 2021
- DOI för Optical and extreme UV studies of spin dynamics in metallic and insulating ferrimagnets
- Ladda ner fulltext (pdf) av Optical and extreme UV studies of spin dynamics in metallic and insulating ferrimagnets
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Structure and Electronic Effects from Mn and Nb Co-doping for Low Band Gap BaTiO3 Ferroelectrics
Ingår i The Journal of Physical Chemistry C, s. 14910-14923, 2021
- DOI för Structure and Electronic Effects from Mn and Nb Co-doping for Low Band Gap BaTiO3 Ferroelectrics
- Ladda ner fulltext (pdf) av Structure and Electronic Effects from Mn and Nb Co-doping for Low Band Gap BaTiO3 Ferroelectrics
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Nonlocal Interactions in the Double Perovskite Sr2FeMoO6 from Core-Level X-ray Spectroscopy
Ingår i The Journal of Physical Chemistry C, s. 11249-11256, 2021
- DOI för Nonlocal Interactions in the Double Perovskite Sr2FeMoO6 from Core-Level X-ray Spectroscopy
- Ladda ner fulltext (pdf) av Nonlocal Interactions in the Double Perovskite Sr2FeMoO6 from Core-Level X-ray Spectroscopy
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Ultrafast magnetization dynamics in the half-metallic Heusler alloy Co2FeAl
Ingår i Physical Review B, 2021
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Magnetic polarons and spin-glass behavior in insulating La1-xSrxCoO3 (x = 0.125 and 0.15)
Ingår i Physical Review Research, 2020
- DOI för Magnetic polarons and spin-glass behavior in insulating La1-xSrxCoO3 (x = 0.125 and 0.15)
- Ladda ner fulltext (pdf) av Magnetic polarons and spin-glass behavior in insulating La1-xSrxCoO3 (x = 0.125 and 0.15)
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Ingår i Physical Review Research, 2020
- DOI för Analysis of the linear relationship between asymmetry and magnetic moment at the M edge of 3d transition metals
- Ladda ner fulltext (pdf) av Analysis of the linear relationship between asymmetry and magnetic moment at the M edge of 3d transition metals
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Ultimate Spin Currents in Commercial Chemical Vapor Deposited Graphene
Ingår i ACS Nano, s. 12771-12780, 2020
- DOI för Ultimate Spin Currents in Commercial Chemical Vapor Deposited Graphene
- Ladda ner fulltext (pdf) av Ultimate Spin Currents in Commercial Chemical Vapor Deposited Graphene
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Ingår i Physical Review Materials, 2020
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Origin of itinerant carriers in antiferromagnetic LaFe1-xMoxO3 studied by x-ray spectroscopies
Ingår i Physical Review Materials, 2020
- DOI för Origin of itinerant carriers in antiferromagnetic LaFe1-xMoxO3 studied by x-ray spectroscopies
- Ladda ner fulltext (pdf) av Origin of itinerant carriers in antiferromagnetic LaFe1-xMoxO3 studied by x-ray spectroscopies
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Ingår i Physical Review Letters, 2020
- DOI för Coexistence of Superconductivity and Charge Density Waves in Tantalum Disulfide: Experiment and Theory
- Ladda ner fulltext (pdf) av Coexistence of Superconductivity and Charge Density Waves in Tantalum Disulfide: Experiment and Theory
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Nonreciprocal spin pumping damping in asymmetric magnetic trilayers
Ingår i Physical Review B, 2020
- DOI för Nonreciprocal spin pumping damping in asymmetric magnetic trilayers
- Ladda ner fulltext (pdf) av Nonreciprocal spin pumping damping in asymmetric magnetic trilayers
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Ferroelectric properties of BaTiO3 thin films co-doped with Mn and Nb
Ingår i AIP Advances, 2019
- DOI för Ferroelectric properties of BaTiO3 thin films co-doped with Mn and Nb
- Ladda ner fulltext (pdf) av Ferroelectric properties of BaTiO3 thin films co-doped with Mn and Nb
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Revisiting Goodenough-Kanamori rules in a new series of double perovskites LaSr1-xCaxNiReO6
Ingår i Scientific Reports, 2019
- DOI för Revisiting Goodenough-Kanamori rules in a new series of double perovskites LaSr1-xCaxNiReO6
- Ladda ner fulltext (pdf) av Revisiting Goodenough-Kanamori rules in a new series of double perovskites LaSr1-xCaxNiReO6
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Two-Dimensional Flexible High Diffusive Spin Circuits
Ingår i Nano Letters, s. 666-673, 2019
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Highly Stabilized Quantum Dot Ink for Efficient Infrared Light Absorbing Solar Cells
Ingår i Advanced Energy Materials, 2019
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Peculiar magnetic states in the double perovskite Nd2NiMnO6
Ingår i Physical Review B, 2019
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Ingår i Physical Review B, 2019
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Ingår i Nano Energy, s. 614-624, 2018
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Ingår i Advanced Energy Materials, 2018
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Investigation of the spectral properties and magnetism of BiFeO3 by dynamical mean-field theory
Ingår i Physical Review B, 2018
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Ingår i Journal of Materials Chemistry A, s. 9498-9505, 2018
- DOI för The electronic structure and band interface of cesium bismuth iodide on a titania heterostructure using hard X-ray spectroscopy
- Ladda ner fulltext (pdf) av The electronic structure and band interface of cesium bismuth iodide on a titania heterostructure using hard X-ray spectroscopy
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The origin of low bandgap and ferroelectricity of a co-doped BaTiO3
Ingår i Europhysics letters, 2018
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Ingår i Chemistry of Materials, s. 4959-4967, 2018
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Ingår i Physical Review B, 2018
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Effect of anti-site disorder on magnetism in La2NiMnO6
Ingår i Physical Review B, 2018
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Ingår i Physical Review B, 2018
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Ingår i Review of Scientific Instruments, 2017
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High photon energy spectroscopy of NiO: Experiment and theory
Ingår i PHYSICAL REVIEW B, 2016
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Ingår i Journal of Electron Spectroscopy and Related Phenomena, s. 63-66, 2016
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Ultra-low magnetic damping of a metallic ferromagnet
Ingår i Nature Physics, s. 839-842, 2016
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Ingår i Physical Chemistry, Chemical Physics - PCCP, s. 21921-21929, 2016
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Ingår i PHYSICAL REVIEW B, 2016
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Electronic Structure of CH3NH3PbX3 Perovskites: Dependence on the Halide Moiety
Ingår i The Journal of Physical Chemistry C, s. 1818-1825, 2015
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Photoinduced reduction of surface states in Fe:ZnO
Ingår i Journal of Chemical Physics, 2015
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Exponentially decaying magnetic coupling in sputtered thin film FeNi/Cu/FeCo trilayers
Ingår i Applied Physics Letters, 2015
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Role of boron diffusion in CoFeB/MgO magnetic tunnel junctions
Ingår i Physical Review B. Condensed Matter and Materials Physics, 2015
- DOI för Role of boron diffusion in CoFeB/MgO magnetic tunnel junctions
- Ladda ner fulltext (pdf) av Role of boron diffusion in CoFeB/MgO magnetic tunnel junctions
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Reentrant Superspin Glass Phase in a La0.82Ca0.18MnO3 Ferromagnetic Insulator
Ingår i Physical Review X, 2014
- DOI för Reentrant Superspin Glass Phase in a La0.82Ca0.18MnO3 Ferromagnetic Insulator
- Ladda ner fulltext (pdf) av Reentrant Superspin Glass Phase in a La0.82Ca0.18MnO3 Ferromagnetic Insulator
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Ingår i The Journal of Physical Chemistry C, s. 15534-15540, 2014
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Effects of substitution on the exchange stiffness and magnetization of Co films
Ingår i Physical Review B. Condensed Matter and Materials Physics, s. 235408, 2014
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Reactive ZnO/Ti/ZnO interfaces studied by hard x-ray photoelectron spectroscopy
Ingår i Journal of Applied Physics, 2014
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Depth-Dependent Magnetization Profiles of Hybrid Exchange Springs
Ingår i Physical Review Applied, 2014
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Depth-Dependent Magnetization Profiles of Hybrid Exchange Springs
Ingår i Physical Review Applied, 2014
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Magnetic coupling in asymmetric FeCoV / Ru / FeNi trilayers
Ingår i Journal of Applied Physics, 2014
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Ingår i Journal of Electron Spectroscopy and Related Phenomena, s. 278-288, 2013
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Detection of microwave phase variation in nanometre-scale magnetic heterostructures
Ingår i Nature Communications, s. 2025, 2013
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Ingår i Journal of Electron Spectroscopy and Related Phenomena, s. 278-288, 2013
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Ingår i Journal of Applied Physics, 2013
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Interface characterization of Co2MnGe/Rh2CuSn Heusler multilayers
Ingår i Physical Review B. Condensed Matter and Materials Physics, s. 134407, 2013
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Exchange stiffness in thin film Co alloys
Ingår i Journal of Applied Physics, 2012
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Structural properties of amorphous metal carbides: Theory and experiment
Ingår i Acta Materialia, s. 4720-4728, 2012
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Signature of an antiferromagnetic metallic ground state in heavily electron-doped Sr2FeMoO6
Ingår i Physical Review B. Condensed Matter and Materials Physics, 2012
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Ferrimagnetism, antiferromagnetism, and magnetic frustration in La2-xSrxCuRuO6 (0 <= x <= 1)
Ingår i Physical Review B. Condensed Matter and Materials Physics, 2012
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Ingår i Physical Review Letters, s. 127201, 2012
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A simple method to produce almost perfect graphene on highly oriented pyrolytic graphite
Ingår i Carbon, s. 3242-3249, 2011
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Magnetocrystalline anisotropy and uniaxiality of MnAs/GaAs(100) films
Ingår i Physical Review B. Condensed Matter and Materials Physics, 2011
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Annealing effects on structural and magnetic properties of Co implanted ZnO single crystals
Ingår i Journal of Applied Physics, 2011
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A method for measuring exchange stiffness in ferromagnetic films
Ingår i Journal of Applied Physics, 2011
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Tuning of dielectric properties and magnetism of SrTiO3 by site-specific doping of Mn
Ingår i Physical Review B. Condensed Matter and Materials Physics, s. 125124, 2011
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Ingår i Journal of Physics, Conference Series, 2010
- DOI för Description of the new I1011 beamline for magnetic measurements using synchrotron radiation at MAX-lab
- Ladda ner fulltext (pdf) av Description of the new I1011 beamline for magnetic measurements using synchrotron radiation at MAX-lab
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Ingår i Physical Review B. Condensed Matter and Materials Physics, 2010
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Atomic-scale chemical fluctuation in LaSrVMoO6, a proposed half-metallic antiferromagnet
Ingår i Physical Review B. Condensed Matter and Materials Physics, 2010
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Ingår i Physical Review B. Condensed Matter and Materials Physics, 2009
- DOI för Investigation of interface properties of Ni/Cu multilayers by high kinetic energy photoelectron spectroscopy
- Ladda ner fulltext (pdf) av Investigation of interface properties of Ni/Cu multilayers by high kinetic energy photoelectron spectroscopy
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Ingår i Physical Review B. Condensed Matter and Materials Physics, 2008
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Ingår i Physical Review B. Condensed Matter and Materials Physics, 2008
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Ingår i Journal of Physics D, 2008
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Inhomogeneity in Co Doped ZnO Diluted Magnetic Semiconductor
Ingår i Journal of Applied Physics, 2008
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Electronic structure of Co doped ZnO: Theory and experiment
Ingår i Journal of Applied Physics, 2008
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Ingår i Physical Review Letters, s. 177207, 2007
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Structure and magnetism for ultra-thin epitaxial Fe on Ag(100)
Ingår i Physical Review B. Condensed Matter and Materials Physics, s. 134423, 2006
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Sample preserving deep interface characterization technique
Ingår i Physical Review Letters, 2006
- DOI för Sample preserving deep interface characterization technique
- Ladda ner fulltext (pdf) av Sample preserving deep interface characterization technique
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Structure and magnetism of ultrathin epitaxial Fe on Ag(100)
Ingår i Phys. Rev., B, Condens, Matter Mater. Phys. (USA), 2006
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Vanishing Magnetic Interactions in Ferromagnetic Thin Films
Ingår i PHYSICAL REVIEW LETTERS, 2005
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Final state effects in the X-ray absorption spectra of La0.7Sr0.3MnO3
Ingår i Journal of Magnetism and Magnetic Materials, 2004
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Ingår i AIP Conference Proceedings, s. 708, 2004
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13. Interface magnetic properties of La0.7Sr0.3MnO3 thin films
Ingår i Journal of Magnetism and Magnetic Materials, s. 1207-9, 2004
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Initial and final state effects in the x-ray absorption process of La1-xSrxMnO3
Ingår i Physical Review B. Condensed Matter and Materials Physics, 2003
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Evidence for initial and final state effects in the x-ray absorption spectrum of La(1-x)Sr(x)MnO3
Ingår i Physical Review B: Condensed Matter and Materials Physics, s. 235109, 2003
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Ingår i Journal of Chemical Physics, s. 12462-12472, 2003
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Probing surface states of Cu/Ni thin films using x-ray absorption spectroscopy
Ingår i Physical Review B Condensed Matter, 2001
- DOI för Probing surface states of Cu/Ni thin films using x-ray absorption spectroscopy
- Ladda ner fulltext (pdf) av Probing surface states of Cu/Ni thin films using x-ray absorption spectroscopy
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Observation of short- and long-range hybridization of a buried Cu monolayer in Ni
Ingår i PHYSICAL REVIEW B, 2000
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Resonant photoemission at the 2p edges of Ni: Resonant Raman and interference effects
Ingår i PHYSICAL REVIEW LETTERS, s. 967-970, 1997
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Coherent and incoherent processes in resonant photoemission
Ingår i APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, s. 159-167, 1997
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Resonant photoemission and resonant inelastic X-ray scattering - coherent vs. incoherent processes
Ingår i Ram an emission by X-ray scattering; Eds. D. L. Ederer and J. H. McGuire, World Scientific, 1996
Artiklar, forskningsöversikt
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Two-dimensional van der Waals spinterfaces and magnetic-interfaces
Ingår i Applied Physics Reviews, 2020
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Ingår i Journal of Electron Spectroscopy and Related Phenomena, s. 80-93, 2011
Kapitel i böcker, delar av antologi
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Spectroscopic investigations of electronic structure
Ingår i Advanced Functional Materials, s. 45-70, Elsevier, 2012
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Aktiverande problemlösningsövningar i grupp.
Ingår i Att undervisa med vetenskaplig förankring – i praktiken!, s. 103-113, Universitetstryckeriet, 2010
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Lågdimensionell magnetism; en samlingsplats för experiment, teori och industri
Ingår i Kosmos 2001, s. 77, 2001
Konferensbidrag
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Different fingerprints for the OISTR mechanism in the magnetic alloys experiments
Ingår i ADVANCES IN ULTRAFAST CONDENSED PHASE PHYSICS III, 2022
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In-situ contacting of nanosheets and remote EMCD
Ingår i 2nd International Workshop on Remote Electron Microscopy and In Situ Studies, Gothenburg, Sweden 16-18 November 2009, 2009
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Conductivity engineering of graphene and carbon nanosheets by defect formation
Ingår i Conference of the American Vacuum Society, Boston, 2008, 2008
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Electronic and geometric structure of (Zn,Co)O room temperature Ferromagnets
Ingår i 50th MMM Meeting Program, 2005
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Structure and magnetism on in-situ ultrathin epitaxial films: XMCD and EXAFS on Fe/Ag(100)
Ingår i Proceedings of the 7th International Conference on Nanometer-Scale Science and Technology and the 21st European Conference on Surface Science, s. 76-81, 2003
Manuskript (preprint)
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Magnetic asymmetry around the 3p absorption edge in Fe and Ni
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Doping induced site-selective Mott insulating phase in LaFeO3
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Ultrafast magnetization dynamics in magnetically frustrated NiFe2O4 ferrimagnet
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Ultrafast dynamics in Fe65Co35 alloys: Effect of Re doping
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Ultrafast magnetization dynamics in half-metallic Co2FeAl Heusler alloy
- Ladda ner fulltext 1 (pdf) av Ultrafast magnetization dynamics in half-metallic Co2FeAl Heusler alloy
- Ladda ner fulltext 2 (pdf) av Ultrafast magnetization dynamics in half-metallic Co2FeAl Heusler alloy
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Ultrafast Spin Dynamics of Ru in Ru/Fe65Co35/Ru heterostructures: Effect of Re doping