Espen Flage-Larsen

Forsker - Strukturfysikk
Bilde av Espen Flage-Larsen
English version of this page
Rom 106
Brukernavn
Besøksadresse Forskningsparken Gaustadalléen 21 0349 Oslo
Postadresse Postboks 1048 Blindern 0316 OSLO

Faglige interesser

Elektronstruktur, transportegenskaper, energimaterialer.

Bakgrunn

PhD, "Density functional studies of the electron structure and transport properties of thermoelectric materials", Department of Physics, University of Oslo, 2009.

MSc, "Numerical studies of quantum dots", Department of Physics, University of Oslo, 2006.

 


 

Emneord: Materialvitenskap og -teknologi, Materialvitenskap, Elektronstruktur, Transportegenskaper, Fornybar Energi, Modellering og simulering, Termoelektriske materialer

Publikasjoner

  • Karsai, Ferenc; Engel, Manuel; Kresse, Georg & Flage-Larsen, Espen (2018). Electron-phonon coupling in semiconductors within the GW approximation. New Journal of Physics.  ISSN 1367-2630.  20(12), s 1- 13 . doi: 10.1088/1367-2630/aaf53f
  • Karsai, Ferenc; Humer, Moritz; Flage-Larsen, Espen; Blaha, Peter & Kresse, Georg (2018). Effects of electron-phonon coupling on absorption spectrum: K edge of hexagonal boron nitride. Physical Review B.  ISSN 2469-9950.  98(23), s 235205-1- 235205-10 . doi: 10.1103/PhysRevB.98.235205
  • Musland, Lars & Flage-Larsen, Espen (2018). Thermoelectric effect in superlattices; applicability of coherent and incoherent transport models. Computational materials science.  ISSN 0927-0256.  153, s 88- 96 . doi: 10.1016/j.commatsci.2018.05.044 Fulltekst i vitenarkiv.
  • Musland, Lars & Flage-Larsen, Espen (2017). Thermoelectric transport calculations using the Landauer approach, ballistic quantum transport simulations, and the Buttiker approximation. Computational materials science.  ISSN 0927-0256.  132, s 146- 157 . doi: 10.1016/j.commatsci.2017.02.016
  • Flage-Larsen, Espen (2015). Charge carrier passivating nitrogen-phosphorus defects in crystalline silicon. Computational materials science.  ISSN 0927-0256.  98, s 220- 225 . doi: 10.1016/j.commatsci.2014.11.018 Vis sammendrag
  • Flage-Larsen, Espen & Thorshaug, Knut (2014). Linker Conformation Effects on the Band Gap in Metal-Organic Frameworks. Inorganic Chemistry.  ISSN 0020-1669.  53(5), s 2569- 2572 . doi: 10.1021/ic4028628 Vis sammendrag
  • Flage-Larsen, Espen; Løvvik, Ole Martin; Fang, Changming & Kresse, Georg (2013). β-Si3N4(0001)/Si(111) interface: Phosphorus defects, valence band offsets, and their role of passivating the interface states. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  88(16:165310) . doi: 10.1103/PhysRevB.88.165310 Vis sammendrag
  • Flage-Larsen, Espen; Røyset, Arne Karstein; Cavka, Jasmina Hafizovic & Thorshaug, Knut (2013). Band gap modulations in UiO metal-organic frameworks. Journal of Physical Chemistry C.  ISSN 1932-7447.  117(40), s 20610- 20616 . doi: 10.1021/jp405335q Vis sammendrag
  • Böttger, Paul Heinrich Michael; Flage-Larsen, Espen; Karlsen, Ole Bjørn & Finstad, Terje (2012). High temperature Seebeck coefficient and resistance measurement system for thermoelectric materials in the thin disk geometry. Review of Scientific Instruments.  ISSN 0034-6748.  83(2) . doi: 10.1063/1.3673474
  • Flage-Larsen, Espen & Løvvik, Ole Martin (2012). Band structure guidelines for higher figure-of-merit; analytic band generation and energy filtering, In David Michael Rowe (ed.),  Thermoelectrics and its Energy Harvesting.  CRC Press.  ISBN 9781439840412.  Kap. 10.
  • Kresse, G.; Marsman, M.; Hintzsche, L.E. & Flage-Larsen, Espen (2012). Optical and electronic properties of Si3N4 and alpha-SiO2. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  85(4) . doi: 10.1103/PhysRevB.85.045205 Vis sammendrag
  • Prytz, Øystein; Flage-Larsen, Espen; Gu, L.; Sigle, W.; van Aken, Peter A & Taftø, Johan (2012). Charge-ordered spinel AlV2O4: High-energy-resolution EELS and computational studies. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  85(19) . doi: 10.1103/PhysRevB.85.195112
  • Valset, Kjetil; Flage-Larsen, Espen; Stadelmann, P. & Taftø, Johan (2012). Electronic structure of Mg2Si by combining electron diffraction and first-principles calculations. Acta Materialia.  ISSN 1359-6454.  60(3), s 972- 976 . doi: 10.1016/j.actamat.2011.11.006
  • Böttger, Paul Heinrich Michael; Diplas, Spyridon; Flage-Larsen, Espen; Prytz, Øystein & Finstad, Terje (2011). Electronic structure of thermoelectric Zn-Sb. Journal of Physics: Condensed Matter.  ISSN 0953-8984.  23(26) . doi: 10.1088/0953-8984/23/26/265502
  • Flage-Larsen, Espen & Prytz, Øystein (2011). The Lorenz function: Its properties at optimum thermoelectric figure-of-merit. Applied Physics Letters.  ISSN 0003-6951.  99 . doi: 10.1063/1.3656017
  • Prytz, Øystein; Flage-Larsen, Espen; Toberer, E. S.; Snyder, G. J. & Taftø, Johan (2011). Reduction of lattice thermal conductivity from planar faults in the layered Zintl compound SrZnSb2. Journal of Applied Physics.  ISSN 0021-8979.  109(4) . doi: 10.1063/1.3549821
  • Sæterli, Ragnhild; Flage-Larsen, Espen; Friis, Jesper; Løvvik, Ole Martin; Pacaud, Jerome; Marthinsen, Knut & Holmestad, Randi (2011). Experimental and theoretical study of electron density and structure factors in CoSb3. Ultramicroscopy.  ISSN 0304-3991.  111(7), s 847- 853 . doi: 10.1016/j.ultramic.2010.08.002 Vis sammendrag
  • Zevalkink, A; Toberer, E. S.; Bleith, T; Flage-Larsen, Espen & Snyder, G. J. (2011). Improved carrier concentration control in Zn-doped Ca5Al2Sb6. Journal of Applied Physics.  ISSN 0021-8979.  110 . doi: 10.1063/1.3607976
  • Zevalkink, A; Toberer, ES; Zeier, WG; Flage-Larsen, Espen & Snyder, GJ (2011). Ca3AlSb3: an inexpensive, non-toxic thermoelectric material for waste heat recovery. Energy & Environmental Science.  ISSN 1754-5692.  4(2), s 510- 518 . doi: 10.1039/c0ee00517g
  • Flage-Larsen, Espen; Diplas, Spyridon; Prytz, Øystein; Toberer, Eric S. & May, Andrew F. (2010). Valence band study of thermoelectric Zintl-phase SrZn2Sb2 and YbZn2Sb2: X-ray photoelectron spectroscopy and density functional theory. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  81(20) . doi: 10.1103/PhysRevB.81.205204
  • Casolo, S; Flage-Larsen, Espen; Løvvik, Ole Martin; Darling, GR & Tantardini, GF (2010). Role of the self-interaction error in studying chemisorption on graphene from first-principles. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  81(20) . doi: 10.1103/PhysRevB.81.205412
  • Flage-Larsen, Espen; Løvvik, Ole Martin; Prytz, Øystein & Taftø, Johan (2010). Bond analysis of phosphorus skutterudites: Elongated lanthanum electron buildup in LaFe4P12. Computational materials science.  ISSN 0927-0256.  47(3), s 752- 757 . doi: 10.1016/j.commatsci.2009.10.018
  • May, AF; Flage-Larsen, Espen & Snyder, GJ (2010). Electron and phonon scattering in the high-temperature thermoelectric La3Te4-zMz (M=Sb,Bi). Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  81(12) . doi: 10.1103/PhysRevB.81.125205
  • Prytz, Øystein & Flage-Larsen, Espen (2010). The influence of exact exchange corrections in van der Waals layered narrow bandgap black phosphorus. Journal of Physics: Condensed Matter.  ISSN 0953-8984.  22(1) . doi: 10.1088/0953-8984/22/1/015502
  • Toberer, Eric S.; May, Andrew F.; Melot, BC; Flage-Larsen, Espen & Snyder, G. Jeffrey (2010). Electronic structure and transport in thermoelectric compounds AZn(2)Sb(2) (A = Sr, Ca, Yb, Eu). Dalton Transactions.  ISSN 1477-9226.  39(4), s 1046- 1054 . doi: 10.1039/b914172c
  • Sæterli, Ragnhild; Flage-Larsen, E.; Prytz, Ø.; Prytz, Øystein; Taftø, J.; Taftø, Johan; Marthinsen, Knut & Holmestad, Randi (2009). Electron energy loss spectroscopy of the L2,3 edge of phosphorus skutterudites and electronic structure calculations. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  80(7), s 075109-1- 075109-7 . doi: 10.1103/PhysRevB.80.075109

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  • Løvvik, Ole Martin; Flage-Larsen, Espen & Skomedal, Gunstein (2018). Screening silicide thermoelectric materials using ab initio transport calculations.
  • Musland, Lars; Flage-Larsen, Espen; Prytz, Øystein & Bergli, Joakim (2018). Charge carrier transport in multilayered structures; thermoelectric applications.
  • Prytz, Øystein; Flage-Larsen, Espen & Bilden, Sindre Rannem (2018). Simulation of momentum resolved Electron Energy Loss Spectroscopy in the low loss region using model band structures. Vis sammendrag
  • Salim Asbah, Richard; Flage-Larsen, Espen & Prytz, Øystein (2018). Quadratic integration over the three dimensional Brillouin zone.
  • Zhan, Wei; Prytz, Øystein; Kuznetsov, Andrej & Flage-Larsen, Espen (2018). Band gap mapping of alloyed ZnO using probe-corrected and monochromated STEM-EELS. Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.. 1501-7710. Vis sammendrag
  • Løvvik, Ole Martin; Eliassen, Simen Nut Hansen; Berland, Kristian; Flage-Larsen, Espen; Jensen, Ingvild Julie Thue; Peters, Thijs & Carvalho, Patricia (2015). Transport Properties of Materials from First Principles.
  • Zhan, Wei; Venkatachalapathy, Vishnukanthan; Jensen, Ingvild Julie Thue; Granerød, Cecilie Skjold; Flage-Larsen, Espen; Johansen, Klaus Magnus H; Galeckas, Augustinas; Kuznetsov, Andrej & Prytz, Øystein (2015). STEM-EELS Band Gap Measurement in Zn1-XCdXO Thin Films.
  • Løvvik, Ole Martin & Flage-Larsen, Espen (2014). Calculating transport properties from first principles: thermoelectric materials as a playground.
  • Løvvik, Ole Martin & Flage-Larsen, Espen (2014). Energy filtering as a way to reduce thermal transport in nanoscale materials.
  • Løvvik, Ole Martin; Song, Xin; Valset, Kjetil; Flage-Larsen, Espen; Fjeld, Harald; Graff, Joachim Seland; Schrade, Matthias; Karlsen, Ole Bjørn; Larsson, Andreas; Casolo, Simone; Prytz, Øystein; Norby, Truls; Finstad, Terje; Gunnæs, Anette Eleonora & Taftø, Johan (2014). Thermoelectric materials from first principles to final applications: Basic and applied thermoelectrics in Oslo.
  • 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.
  • Svenum, Ingeborg-Helene; Friis, Jesper; Flage-Larsen, Espen; Vatne, Inga Ringdalen & Løvvik, Ole Martin (2014). Ab initio modelling of solute-dislocation interactions.
  • Flage-Larsen, Espen; Sagvolden, Espen; Løvvik, Ole Martin; Friis, Jesper; Kresse, Georg & Fang, Chang Ming (2012). The silicon/silicon-nitride interface revisited: phosphorus and nitrogen defects.
  • Flage-Larsen, Espen; Sagvolden, Espen; Løvvik, Ole Martin; Heggø, D.M.O; Friis, Jesper & Fang, Chang Ming (2012). The crystalline Si3N4/Si interface; the electronic structure of defects.
  • Friis, Jesper; Svensson, Ann Mari; Butler, Keith T; Johnsen, Sverre Gullikstad; Løvvik, Ole Martin; Cabrera, Enrique & Flage-Larsen, Espen (2012). Modelling of the contacting and passivating interfaces in silicon solar cells.
  • Løvvik, Ole Martin & Flage-Larsen, Espen (2012). Energy filtering in thermoelectric materials.
  • 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.
  • Sagvolden, Espen; Flage-Larsen, Espen; Løvvik, Ole Martin & Friis, Jesper (2012). Analytical Model for Solid-state Diffusion of Nitrogen in Silicon.
  • Flage-Larsen, Espen; Prytz, Øystein & Taftø, Johan (2011). Material-specific Lorenz numbers: Electronic and lattice parts of the thermal conductivity.
  • Flage-Larsen, Espen; Prytz, Øystein & Taftø, Johan (2011). The Lorenz function; its scattering properties and the validity of the parabolic approximation.
  • Løvvik, Ole Martin; Flage-Larsen, Espen & Sagvolden, Espen (2011). Solar Cell Technology and Hydrogen Storage Materials: From First Principles Calculations to Real World Applications.
  • Løvvik, Ole Martin; Flage-Larsen, Espen; Sagvolden, Espen & Friis, J (2011). Solar Cell Technology and Hydrogen Storage Materials: From First Principles Calculations to Real World Applications.
  • Böttger, Paul Heinrich Michael; Diplas, Spyridon; Flage-Larsen, Espen; Prytz, Øystein & Finstad, Terje (2010). Electronic structure of the thermoelectric Zn-Sb system.
  • Flage-Larsen, Espen & Taftø, Johan (2010). Transport properties in light of analytic band generation: the potential of energy filtering and the validity of the parabolic approximation.
  • Friis, Jesper; Vullum, Per Erik; Flage-Larsen, Espen; Lamers, Machteld; Sagvolden, Espen & Løvvik, Ole Martin (2010). Modelling of interfaces for high performance solar cell materials – HiperSol.
  • Løvvik, Ole Martin; Flage-Larsen, Espen; Rauwel, Protima; Prytz, Øystein & Taftø, Johan (2010). Solubility and mobility of Zn in Zn4Sb3 - a combined computational and experimental study.
  • Løvvik, Ole Martin; Flage-Larsen, Espen; Sagvolden, Espen & Vullum, Per Erik (2010). Solid state hydrogen storage and interfaces in PV solar cells: Different meeting points between modelling and experiments.
  • Løvvik, Ole Martin; Flage-Larsen, Espen; Sagvolden, Espen; Vullum, Per Erik; Kresse, Georg; Lamers, Machteld & Friis, Jesper (2010). Solid state hydrogen storage and interfaces in PV solar cells: Different meeting points between modelling and experiments.
  • May, Andrew F.; Fleurial, Jean Pierre; Flage-Larsen, Espen & Snyder, G. Jeffrey (2010). Optimizing and manipulating transport in lanthanum telluride.
  • May, Andrew F.; Singh, David J.; Flage-Larsen, Espen & Snyder, G. Jeffrey (2010). Influence of band structure on thethermoelectric performance oflanthanum telluride.
  • Prytz, Øystein; Toberer, E. S.; May, A. F.; Flage-Larsen, Espen; Snyder, G. J. & Taftø, Johan (2010). Transmission electron microscopy studies of nanostructures in SrZnSb2: reduced thermal conductivity through defect scattering.
  • 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.
  • Flage-Larsen, Espen (2009). Density functional studies of the electronic structure and transport properties of thermoelectric materials.
  • Løvvik, Ole Martin & Flage-Larsen, Espen (2009). First principles calculations on Zn4Sb3.
  • May, Andrew F.; Singh, David J.; Flage-Larsen, Espen & Snyder, G. Jeffrey (2009). Influence of band structure on the high thermoelectric performance of lanthanum telluride.
  • Prytz, Øystein; Flage-Larsen, Espen; Gu, L.; Sigle, W. & Taftø, Johan (2009). The charge-ordered spinel AlV2O4: EELS and DFT studies.
  • Sæterli, Ragnhild; Flage-Larsen, Espen; Prytz, Øystein; Taftø, Johan; Marthinsen, Knut & Holmestad, Randi (2009). Electron energy loss near edge structure of phosphorus L2,3 edges in skutterudites.
  • Toberer, Eric S.; May, Andrew F.; Flage-Larsen, Espen; Prytz, Øystein & Snyder, Jeff (2009). High temperature transport in the layered Zintl compounds SrZnSb2 and SrZnBi2.
  • Flage-Larsen, Espen & Løvvik, Ole Martin (2008). Thermoelectric properties of filled skutterudites from first principles.
  • Flage-Larsen, Espen & Løvvik, Ole Martin (2008). Thermoelectric properties of the beta-Zn4Sb3 compound.
  • Løvvik, Ole Martin; Flage-Larsen, Espen; Prytz, Øystein & Mangersnes, Krister (2008). Novel skutterudites for thermoelectricity from first-principles calculations.
  • Løvvik, Ole Martin; Mangersnes, Krister & Flage-Larsen, Espen (2008). Properties of thermoelectric materials from first-principles calculations.
  • Flage-Larsen, Espen; Prytz, Øystein; Løvvik, Ole Martin & Taftø, Johan (2007). Calculation of valence electron distribution and thermoelectric coefficients in skutterudies.
  • Flage-Larsen, Espen; Prytz, Øystein; Løvvik, Ole Martin; Wu, L.; Zhu, Y. & Taftø, Johan (2007). Bonding and valence electron distribution in thermoelectric skutterudites.
  • Prytz, Øystein; Flage-Larsen, Espen; Karlsen, Ole Bjørn; Diplas, Spyridon; Finstad, Terje; Taftø, Johan; Løvvik, Ole Martin; Mangersnes, Krister; Ahn, Channing C.; Wu, Lijun & Zhu, Yimei (2007). Electronic structure of thermoelectric skutterudites; combining spectroscopic techniques, precision electron diffraction and density functional theory.

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Publisert 4. nov. 2010 12:14 - Sist endret 9. mars 2011 14:12