Kim Lefmann

Kim Lefmann

Professor

Member of:


    1. 2016
    2. Published

      Simulating X-ray telescopes with McXtrace: A case study of ATHENA's optics

      Ferreira, D. D. M., Knudsen, E. B., Westergaard, N. J., Christensen, F. E., Massahi, S., Shortt, B., Spiga, D., Solstad, M. & Lefmann, Kim, 26 Jun 2016, In: Proceedings of S P I E - International Society for Optical Engineering. 9905, UNSP 990576.

      Research output: Contribution to journalConference articleResearchpeer-review

    3. Published

      VESPA: The vibrational spectrometer for the European Spallation Source

      Fedrigo, A., Colognesi, D., Bertelsen, M., Hartl, M., Lefmann, Kim, Deen, P. P., Strobl, M., Grazzi, F. & Zoppi, M., 2 Jun 2016, In: Review of Scientific Instruments. 87, 6, 065101.

      Research output: Contribution to journalJournal articleResearchpeer-review

    4. Published

      Optimizing a neutron-beam focusing device for the direct geometry time-of-flight spectrometer TOFTOF at the FRM II reactor source

      Rasmussen, N. G., Simeoni, G. G. & Lefmann, Kim, 2016, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 816, p. 106-112 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    5. 2015
    6. Published

      Simulation of waviness in neutron guides

      Hansen, U. B., Bertelsen, M., Lefmann, Kim & Bergbäck Knudsen, E., 31 Dec 2015, In: Journal of Neutron Research. 18, 2-3, 45-59.

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. Published

      Field-induced interplanar magnetic correlations in the high-temperature superconductor La1.88Sr0.12CuO4

      Rømer, A. T., Ray, P. J., Jacobsen, Henrik, Udby, L., Andersen, Brian Møller, Bertelsen, M., fvh927, fvh927, Christensen, N. B., Toft-Petersen, R., Skoulatos, M., Laver, M., Schneidewind, A., Link, P., Oda, M., Ido, M., Nomono, N. & Lefmann, Kim, 11 May 2015, In: Physical Review B. 91, 174507.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      Neutron guide-split: A high performance guide bundle concept for elliptical guides

      fvh927, fvh927, Rasmussen, N., Høpfner, L., Bertelsen, M., Voigt, J., Andersen, K. H. & Lefmann, Kim, 11 May 2015, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 782, p. 1-8 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      Polarized neutron powder diffraction studies of antiferromagnetic order in bulk and nanoparticle NiO

      Brok, E., Lefmann, Kim, Deen, P. P., Lebech, B., Jacobsen, Henrik, G., N. & Frandsen, C., 26 Jan 2015, In: Physical Review B. 91, 014431.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      CAMEA ESS - The Continuous Angle Multi-Energy Analysis Indirect Geometry Spectrometer for the European Spallation Source

      Freeman, P. G., Birk, J. O., Marko, M., Bertelsen, M., Christensen, N. B., Lefmann, Kim, Jacobsen, J., Niedermayer, C., Juranyi, F. & Ronnow, H. M., 23 Jan 2015, In: Journal of Physics: Conference Series (Online). 83, 7 p., 03005.

      Research output: Contribution to journalConference articleResearchpeer-review

    11. Published

      Competing superconducting and magnetic order parameters and field-induced magnetism in electron-doped Ba(Fe1-xCox)(2)As-2

      Larsen, J., Uranga, B. M., Stieper, G., fvh927, fvh927, Bernhard, C., Wolf, T., Lefmann, Kim, Andersen, Brian Møller & Niedermayer, C., 13 Jan 2015, In: Physical Review B. 91, 2, 10 p., 025404.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. Published

      Anomalous magnetic structure and spin dynamics in magnetoelectric LiFePO4

      Toft-Petersen, R., Reehuis, M., Jensen, T. B. S., Andersen, N. H., Li, J., Le, M. D., Laver, M., Niedermayer, C., Klemke, B., Lefmann, Kim & Vaknin, D., 2015, In: Physical Review B. 92, 2, 9 p., 024404.

      Research output: Contribution to journalJournal articleResearchpeer-review

    13. Published

      Dynamic rotor mode in antiferromagnetic nanoparticles

      Lefmann, Kim, Garde, J., Jacobsen, Henrik, Hedegård, Per, Ancona, S. N., Bahl, C. R. H. & Kuhn, L. T., 2015, In: Physical Review B. 91, 10 p., 094421.

      Research output: Contribution to journalJournal articleResearchpeer-review

    14. Published

      Prediction of beam hardening artefacts in computed tomography using Monte Carlo simulations

      Thomsen, M., Knudsen, E. B., Willendrup, P. K., Bech, M., Willner, M., Pfeiffer, F., Poulsen, M., Lefmann, Kim & Feidenhans'l, Robert Krarup, 2015, In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 342, p. 314-320 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    15. 2014
    16. Published

      A compact time-of-flight SANS instrument optimised for measurements of small sample volumes at the European Spallation Source

      Kynde, S., Kleno, K. H., Nagy, G., Mortensen, Kell, Lefmann, Kim, Kohlbrecher, J. & Arleth, Lise, 11 Nov 2014, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 764, p. 133-141

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      Prismatic analyzer concept for neutron spectrometers

      Birk, J. O., Marko, M., Freeman, P. G., Jacobsen, J., Hansen, R. L., Niedermayer, C., Christensen, N. B., Måsson, M., Rønnow, H. M. & Lefmann, Kim, 1 Nov 2014, In: Review of Scientific Instruments. 85, 11, 113908.

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. Published

      Magnetic properties of ultra-small goethite nanoparticles

      Brok, E., Frandsen, C., Madsen, D. E., Jacobsen, Henrik, Birk, J. O., Lefmann, Kim, Bendix, Jesper, Pedersen, K. S., Boothroyd, C. B., Berhe, A. A., Simeoni, G. G. & Mørup, S., 9 Oct 2014, In: Journal of Physics D: Applied Physics. 47, 36, 365003.

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      Visualisation by high resolution synchrotron X-ray phase contrast micro-tomography of gas films on submerged superhydrophobic leaves

      Lauridsen, T., Glavina, K., Colmer, T. D., Winkel, A., Irvine, S., Lefmann, Kim, Feidenhans'l, Robert Krarup & Pedersen, Ole, 1 Oct 2014, In: Journal of Structural Biology. 188, 1, p. 61-70

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      New developments in the McStas neutron instrument simulation package

      Willendrup, P. K., Knudsen, E. B., Klinkby, E. B., Nielsen, T. N., Farhi, E., Filges, U. & Lefmann, Kim, 1 Aug 2014, In: Journal of Physics: Conference Series (Online). 528, 1, 012035.

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. Published

      Corrigendum to "Bi-spectral extraction through elliptic neutron guides " [Nucl.Inst.and Meth A717(2013) 69-76]

      Jacobsen, Henrik, Lieutenant, K., Zendlle, C. & Lefmann, Kim, 11 Apr 2014, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 743, p. 160-160

      Research output: Contribution to journalComment/debateResearchpeer-review

    22. Published

      Simulations of chopper jitter at the LET neutron spectrometer at the ISIS TS2

      Klenø, K. H., Lefmann, Kim, Willendrup, P. K., Christiansen, P. & Bewley, R., 9 Apr 2014, In: Journal of Neutron Research. 17, 2, p. 77-85

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Experimental evidence for lamellar magnetism in hemo-ilmenite by polarized neutron scattering

      Brok, E., Sales, M., Lefmann, Kim, Kuhn, L. T., Schmidt, W. F., Roessli, B., McEnroe, S. A. & Harrison, R. J., 26 Feb 2014, In: Physical Review B. 89, 054430.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      McStas: Past, present and future

      Willendrup, P. K., Farhi, E., Knudsen, E., Filges, U. & Lefmann, Kim, 19 Feb 2014, In: Journal of Neutron Research. 17, 1, p. 35-43

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. Published

      Magnetic properties of nano-scale hematite, α-Fe2O3, studied by time-of-flight inelastic neutron spectroscopy

      Hill, A. H., Jacobsen, Henrik, Ross Stewart, J., Jiao, F., Jensen, N. P., fvh927, fvh927, Mutka, H., Seydel, T., Harrison, A. & Lefmann, Kim, 25 Jan 2014, In: Journal of Chemical Physics. 140, 9 p., 044709.

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. Published

      Investigation of propagation algorithms for ray-tracing simulation of polarized neutrons

      Knudsen, E. B., Rømer, A. T., Willendrup, P. K., Christiansen, P. & Lefmann, Kim, 1 Jan 2014, In: Journal of Neutron Research. 17, 1, p. 27-34

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. Published

      Special Issue: Workshop on the Monte Carlo Simulation of Neutron Scattering Instruments MCNSI7

      Lefmann, Kim & Šaroun, J., 1 Jan 2014, In: Journal of Neutron Research. 17, 1, p. 3-3

      Research output: Contribution to journalJournal articleResearchpeer-review

    28. 2013
    29. Published

      Measurement of unique magnetic and superconducting phases in oxygen-doped high-temperature superconductors La2-xSrxCuO4+y

      Udby, L., Larsen, J., Christensen, N. B., Boehm, M., Niedermayer, C., Mohottala, H. E., Jensen, T. B. S., Toft-Petersen, R., Chou, F. C., Andersen, N. H., Lefmann, Kim & Wells, B. O., 25 Nov 2013, In: Physical Review Letters. 111, 22, 5 p., 227001.

      Research output: Contribution to journalJournal articleResearchpeer-review

    ID: 3673604