Kim Lefmann

Kim Lefmann

Professor

Member of:


    1. 1986
    2. Published

      Study of solid-surface-induced molecular dissociation leading to atomic excitations

      rtc312, rtc312, Jensen, J. O., Lefmann, Kim, Solvsteen, C. & Veje, E., 1 Mar 1986, In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 13, 1-3, p. 230-234

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. 1989
    4. Published

      Superflydende He-4

      Lefmann, Kim & Rischel, C., 18 Nov 1989, In: Gamma. 75, p. 3-13

      Research output: Contribution to journalJournal articleCommunication

    5. 1993
    6. Published

      Bodegadage (on the physics of billiards)

      Lefmann, Kim, 19 Nov 1993, In: Monthly Communication from the Faculty of Science . 2, p. 15-16

      Research output: Contribution to journalJournal articleCommunication

    7. 1994
    8. Published

      NMR spectra of pure 13C diamond

      Lefmann, Kim, Buras, B., Pedersen, E. J., Shabanova, E. S., Thorsen, P. A., Rasmussen, Finn Berg & Sellschop, J. P. F., 1 Dec 1994, In: Physical Review B. 50, 15623.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      Neutron scattering cross section of the S=1/2 Heisenberg triangular antiferromagnet

      Lefmann, Kim & Hedegård, Per, 1 Jul 1994, In: Physical Review B. Condensed Matter and Materials Physics. 50, 1047.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      Foton - et fysikspil

      Oddershede, L. B., Jacobsen, R. H., Lefmann, Kim & Thoft, N. B., 1 Mar 1994, In: Kvant. 4, p. 9-18

      Research output: Contribution to journalJournal articleCommunication

    11. 1995
    12. Published

      Neutron Experiments on Antiferromagnetic Nuclear Order in Silver at Picokelvin Temperatures

      Tuoriniemi, J. T., Nummila, K., Vuorinen, R. T., Lounasmaa, O. V., Metz, A., Siemensmayer, K., Steiner, M., Clausen, K. N., Lefmann, Kim & Rasmussen, Finn Berg, 30 Jun 1995, In: Physical Review Letters. 75, p. 3744-3747

      Research output: Contribution to journalJournal articleResearch

    13. 1996
    14. Published

      Dynamical correlation functions of the S=½ nearest-neighbor and Haldane-Shastry Heisenberg antiferromagnetic chains in zero and applied fields

      Lefmann, Kim & Rischel, C., 1 Sep 1996, In: Physical Review B. 54, p. 6340-6350

      Research output: Contribution to journalJournal articleResearchpeer-review

    15. Published

      kernemagnetisk orden i sølv, verden 3. koldeste forsøg ( Nuclear magnetic order in silver the 3rd coldest experiment ever)

      Lefmann, Kim & Rasmussen, Finn Berg, 1 Mar 1996, In: Kvant. 8

      Research output: Contribution to journalJournal articleCommunication

    16. Published

      Neutron experiments on nuclear order in silver at pK temperatures

      Nummila, K. K., Tuoriniemi, J. T., Vuorinen, R. T., Lounasmaa, O. V., Lefmann, Kim, Clausen, Kristine Bülow, Metz, A., Siemensmeyer, K., Lipinski, L., Steiner, M. & Rasmussen, Finn Berg, 1 Jan 1996, In: Czechoslovak Journal of Physics. 46, SUPPL. 4, p. 2201-2202 2 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      Neutron diffraction determination of the nuclear spin ordering in Cu and Ag at nano- and subnano-K temperatures

      Steiner, M., Metz, A., Siemensmeyer, K., Lounasmaa, O. V., Tuoriniemi, J. T., Nummila, K. K., Vuorinen, R. T., Clausen, K. N., Lefmann, Kim & Rasmussen, Finn Berg, 1 Apr 1996, In: Journal of Applied Physics. 79, 8, p. 5078-5080 3 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. 1997
    19. Published

      Nuclear order in silver at pico-Kelvin temperature

      Siemensmeyer, K., Clausen, Kristine Bülow, Lefmann, Kim, Lounasmaa, O. V., Metz, A., Nummila, K. K., Steiner, M., Tuoriniemi, J. T., Vuorinen, R. T. & Rasmussen, Finn Berg, 2 Jun 1997, In: Physica B: Condensed Matter. 234-236, p. 768-769 2 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. 2000
    21. Published

      Thermodynamics of Rh nuclear spins calculated by exact diagonalization

      Lefmann, Kim, Ipsen, J., Rasmussen, Finn Berg & Rasmussen, Finn Berg, 1 Jan 2000, In: Physica B: Condensed Matter. 284-288, PART II, p. 1702-1703 2 p.

      Research output: Contribution to journalJournal articleResearch

    22. Published

      Double-Spin-Flip Resonance of Rhodium Nuclei at Positive and Negative Spin Temperatures

      Tuoriniemi, J. T., Nummila, K. K., Lefmann, Kim, Knuuttila, T. A., Yao, W. & Rasmussen, Finn Berg, 10 Jan 2000, In: Physical Review Letters. 84, p. 370-373

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. 2001
    24. Published

      Spin Dynamics of the 2D Spin ½ Quantum Antiferromagnet Copper Deuteroformate Tetradeuterate (CFTD)

      Rønnow, H. M., McMorrow, D. F., Goldea, R., Harrison, A., Youngson, I. D., Perring, T. G., Aeppli, G., Syljuåsen, O. F., Lefmann, Kim & Rischel, C., 28 Jun 2001, In: Physical Review Letters. 87, 037202.

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. 2002
    26. Published

      Magnetic propertie of nanoparticales of antiferromagnetic materials

      Mørup, S., Frandsen, C., Bødker, F., Klausen, S. N., Lefmann, Kim, Lindgård, P. & Hansen, M. F., 12 Jan 2002, In: Hyperfine Interactions. 144-145, 1-4, p. 347-357

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. Published

      Comment on "Spin Dynamics of the 2D Spin Quantum Antiferromagnet Copper Deuteroformate Tetradeuterate (CFTD)"

      Rønnow, H. M., McMorrow, D. F., Coldea, R., Harrison, A., Youngson, I. D., Perring, T. G., Aeppli, G., Syljuåsen, O. F., Lefmann, Kim & Rischel, C., 30 Jun 2002, In: Physical Review Letters. 89, 079702.

      Research output: Contribution to journalJournal articleResearchpeer-review

    28. 2003
    29. Published

      An inelastic neutron scattering study of hematite nanoparticles

      Klausen, S. N., Lefmann, Kim, Lindgård, P., Klausen, N. K., Hansen, M. F., Bødker, F., Mørup, S. & Telling, M., 1 Oct 2003, In: Journal of Magnetism and Magnetic Materials. 266, 1-2, p. 68-78

      Research output: Contribution to journalConference articleResearchpeer-review

    30. 2004
    31. Published

      Monte Carlo simulations as a part of the configuration for neutron instruments

      Andersen, P., Lefmann, Kim, Kuhn, L. T., Willendrup, P. K. & Farhi, E., 3 Sep 2004, In: Physica B: Condensed Matter. 350, p. e721-e724

      Research output: Contribution to journalConference articleResearchpeer-review

    32. Published

      The monochromatic imaging mode of a RITA-type neutron spectrometer

      Bahl, C. R. H., Andersen, P., Klausen, S. N. & Lefmann, Kim, 1 Dec 2004, In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 228, 4, p. 667-681

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. Published

      Magnetic anisotropy and quantized spin waves in hematite nanoparticles

      Klausen, S. N., Lefmann, Kim, Lindgård, P., Kuhn, L. T., Bahl, C. R. H., Frandsen, C., Mørup, S., Roessli, B., Cavadini, N. & Niedermayer, C., 9 Dec 2004, In: Physical Review B. 70, 214411.

      Research output: Contribution to journalJournal articleResearchpeer-review

    34. Published

      Dynamics in γ-Fe2O3 nanoparticles studied by time-of-flight polarized neutron scattering

      Theil Kuhn, L., Lefmann, Kim, Klausen, S. N., Rønnow, H. M., Murani, A. & Srewart, R., 3 Sep 2004, In: Physica B: Condensed Matter. 350, p. e217-e219

      Research output: Contribution to journalConference articleResearchpeer-review

    35. Published

      Neutron diffraction study of anomalous high-field magnetic phases in TmNi2B2C

      Toft, K. N., Abrahamsen, A. B., Eskildsen, M. R., Lefmann, Kim, Andersen, N. H., Vorderwisch, P., Smeibidl, P., Meissner, M. & Canfield, P. C., 15 Jun 2004, In: Physical Review B. 69, 214507.

      Research output: Contribution to journalJournal articleResearchpeer-review

    36. 2005
    37. Published

      Oriented attachment and exchange coupling of α-Fe2O3 nanoparticles

      Frandsen, C., Bahl, C. R. H., Lebech, B., Lefmann, Kim, Theil Kuhn, L., Keller, L., Andersen, N. H., v.Zimmermann, M., Johnson, Erik, Klausen, S. N. & Mørup, S., 6 Dec 2005, In: Physical Review B. 72, 214406.

      Research output: Contribution to journalJournal articleResearchpeer-review

    38. 2006
    39. Published

      Inelastic neutron scattering experiments with the monochromatic imaging mode of the RITA-II spectrometer

      Bahl, C. R. H., Lefmann, Kim, Abrahamsen, A. B., Rønnow, H. M., Saxild, F., Jensen, T. B. S., Udby, L. & Andersen, N. H., 1 May 2006, In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 246, 2, p. 452-462

      Research output: Contribution to journalJournal articleResearchpeer-review

    40. Published

      Neutron study of magnetic excitations in 8-nm α-Fe2O3 nanoparticles

      Kuhn, L. T., Lefmann, Kim, Bahl, C. R. H., Nyborg Ancona, S., Lindgård, P., Frandsen, C., Madsen, D. E. & Steen, M., 3 Nov 2006, In: Physical Review B. 74, 184406.

      Research output: Contribution to journalJournal articleResearchpeer-review

    41. Published

      Realizing the full potential of a RITA spectrometer

      Lefmann, Kim, Abrahamsen, A. B., Bahl, C. R. H., Christensen, N. B., Jacobsen, H. S., Larsen, T. L., Häflinger, P., Filges, U. & Rønnow, H. M., 27 Nov 2006, In: Physica B: Condensed Matter. 385-386, 2, p. 1083-1085

      Research output: Contribution to journalConference articleResearchpeer-review

    42. 2008
    43. Published

      Uniform spin wave modes in antiferromagnetic nanoparticles with uncompensated moments

      Bahl, C. R. H., Garde, J., Lefmann, Kim, Jensen, T. B. S., Lindegård, P., Madsen, D. E. & Mørup, S., 2008, In: European Physical Journal B. Condensed Matter and Complex Systems. 62, 1, p. 53-57 22 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    44. Published

      Avoided crossing of rattler modes in thermoelectric materials

      Christensen, M., Abrahamsen, A. B., Christensen, N. B., Juranyi, F., Andersen, N. H., Lefmann, Kim, Andreasson, J., Bahl, C. & Iversen, B. B., 2008, In: Nature Materials. 7, 10, p. 811-815

      Research output: Contribution to journalJournal articleResearchpeer-review

    45. Published

      Simulation of a multiple-wavelength time-of-fligt neutron spectrometer for a long-pulsed spallation source

      Lefmann, Kim, Schober, H. & Mezei, F., 2008, In: Measurement Science and Technology. 19, 3, p. 034025 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    46. Published

      Virtual experiments: the ultimate aim of neutron ray-tracing simulations

      Lefmann, Kim, Willendrup, P. K., Udby, L., Lebech, B., Mortensen, Kell, Birk, J. O., Klenø, K. H., Knudsen, E., Christiansen, P., Saroun, J., Kulda, J., Filges, U., Konnecke, M., Tregenna-Piggott, P., Peters, J., Lieutenant, K., Zsigmond, G., Bentley, P. & Fahri, E., 2008, In: Journal of Neutron Research. 16, 3-4, p. 97-111 15 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    47. Published

      Tailored instrumentation for long-pulse neutron spallation sources

      Schober, H., Farhi, E., Mezei, F., Andersen, K., Bentley, P. M., Christiansen, P. & Lefmann, Kim, 2008, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 589, 1, p. 34-46 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    48. Published

      Reduction of data from inverted-geometry time-of-flight instruments

      Tregenna-Piggott, P. L. W., Juryani, F., Christiansen, P., Willendrup, P. & Lefmann, Kim, 2008, In: Journal of Neutron Research. 16, 1&2, p. 13-22 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    49. 2009
    50. Published

      Neutron optics and Monte Carlo simulations in NMI3

      Böni, P. & Lefmann, Kim, 2009, In: Neutron News. 20, 1, p. 26-29 3 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    51. Published

      Magnetic-field-induced soft-mode quantum phase transition in the high-temperature superconductor La1.855 Sr0.145 CuO4: An inelastic neutron-scattering study

      Chang, J., Christensen, N. B. & Lefmann, Kim, 2009, In: Physical Review Letters. 102, 17, p. 177006

      Research output: Contribution to journalJournal articleResearchpeer-review

    52. Published

      Long-Pulse Neutron Instrumentation Workshop, August 26-28, 2009

      Crawford, R. K., Arai, M., Carlile, C., Chapon, L., Granroth, G., Langridge, S., Lefmann, Kim, Mezei, F., Monkenbusch, M., Muhrer, G. & Wiedenmann, A., 26 Aug 2009, Oak Ridge, USA

      Research output: Other contributionResearch

    53. Published

      Anomalous spin waves in the commensurate-incommensurate magnetic phase transition in  LiNiPO4

      Jensen, T. B. S., Christensen, N. B. & Lefmann, Kim, 2009, In: Physical Review B Condensed Matter. 79, 9, p. 092413

      Research output: Contribution to journalJournal articleResearchpeer-review

    54. Published

      Field-induced competing interactions for ferroelectric polarization in  LiNiPO4

      Jensen, T. B. S., Christensen, N. B., Kenzelmnn, M., Rønnow, H. M., Niedermayer, C., Andersen, N. H., Lefmann, Kim, Schefer, J., Zimmermann, M. V., Li, J., Zarestsky, J. L. & Vaknin, D., 2009, In: Physical Review B Condensed Matter. 79, 9, p. 092412

      Research output: Contribution to journalJournal articleResearchpeer-review

    55. Published

      Design and simulation of instruments for a long-pulsed spallation source - ESS

      Lefmann, K., Willendrup, P. K., Knudsen, E., Larsen, F. K., Lieutenant, K., Habitch, K., Strobl, M., Kleno, K. H., Voigt, J., Frielinghaus, H., Manoshin, S., Stahn, J., Kohlbrecher, J., Filges, U., Farhi, E., Bentley, P., Cubitt, B., Wiedenmann, A., Regnault, L-P., Menelle, A. & 12 others, Goukassov, A., Rodriguez-Carvajal, J., Cuello, G., Tucker, M. G., Webster, J. R. P., Percival, A., Granroth, G., Robertson, L., Nylander, T., Mortensen, Kell, Vettier, C. & Mezei, F., 2009. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    56. Published

      Magnetic ordering in electronically phase-separated La2-x Srx CuO4+y: Neutron diffraction experiments

      Udby, L., Chou, F. C., Christensen, N. B., Emery, S. B., Lefmann, Kim, Lynn, J. W., Mohottala, H. E., Niedermayer, C. & Wells, B. O., 6 Aug 2009, In: Physical Review B - Condensed Matter and Materials Physics. 80, 1, 014505.

      Research output: Contribution to journalJournal articleResearchpeer-review

    57. Published

      Magnetic ordering in electronically phase-separated La(2-x)Sr(x)CuO(4+y): Neutron diffraction experiments

      Udby, L., Andersen, N. H., Chou, F. C., Christensen, N. B., Emery, S. B., Lefmann, Kim, Lynn, J. W., Mohottala, H. E., Niedermayer, C. & Wells, B. O., 2009, In: Physical Review B Condensed Matter. 80, p. 014505 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    58. 2010
    59. Published

      Field-induced tomonaga-luttinger liquid phase two-leg spin 1/2 ladder with strong leg interactions

      Hong...[et al.], T., Kim, Y. H., Hotta, C. & Lefmann, Kim, 23 Sep 2010, In: Physical Review Letters. 105, 13, p. 137207 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    60. Published

      Simulation of a suite of generic long-pulse neutron instruments to optimize the time structure of the European Spallation Source accelerator: Report to ESS-SAC

      Lefmann, Kim, Filges, U., fvh927, fvh927, Klenø, K. H., Lieutenant, K., Knudsen, E., von Moos, L., Sales, M. & Willendrup, P. K., 1 Oct 2010

      Research output: Other contributionResearch

    61. 2011
    62. Published

      Advanced simulations of x-ray beam propagation through CRL transfocators using ray-tracing and wavefront propagation methods

      Baltser, J., Vickery, A., Feidenhans'l, Robert Krarup, Lefmann, Kim, Chubar, O., Snigirev, A. & Vaughan, G., 23 Sep 2011, In: Proceedings of SPIE. 8141, p. 814111

      Research output: Contribution to journalConference articleResearchpeer-review

    63. Published

      Magnetic field-induced closure of the spin excitation gap near optimal doping in La2-xSrxCuO4: Proceedings of the International Workshop on Neutron Applications on Strongly Correlated Electron Systems 2011 (NASCES11)

      Christensen ...[et al.], N. B., Chang, J., Razzoli, E. & Lefmann, Kim, 20 Dec 2011, In: Journal of the Physical Society of Japan. 80, Suppl. B, p. SB030 4 p.

      Research output: Contribution to journalConference articleResearchpeer-review

    64. Published

      Spin reorientation in a-Fe2O3 nanoparticles induced by interparticle exchange interactions in a-Fe2O3/NiO nanocomposites

      Frandsen..[et al.], C., Lefmann, Kim, Lebech, B., Bahi, C. R. H., Brok, E., Ancona, S. N. & Theil Kuhn, L., 22 Dec 2011, In: Physical Review B Condensed Matter. 84, 21, p. 214435 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    65. Published

      Eliminating line of sight in elliptic guides using gravitational curving

      Klenø, K. H., Willendrup, P. K., Lefmann, Kim & Knudsen, E., 1 Apr 2011, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634, Suppl. 1, p. S100-S103

      Research output: Contribution to journalConference articleResearchpeer-review

    66. Published

      Thermal chopper spectrometer for the European spallation source: Proceedings of the International Workshop on Neutron Applications on Strongly Correlated Electron Systems 2011 (NASCES11)

      Klenø, K. H. & Lefmann, Kim, 20 Dec 2011, In: Journal of the Physical Society of Japan. 80, Sppl.B, p. SB004

      Research output: Contribution to journalConference articleResearchpeer-review

    67. Published

      McXtrace: a modern ray-tracing package for x-ray instrumentation

      Knudsen, E. B., Prodi, A., Willendrup, P. K., Lefmann, Kim, Baltser, J., Gundlach, C., Sanchez del Rio, M., Ferrero, C. & Feidenhans'l, Robert Krarup, 23 Sep 2011, In: Proceedings of SPIE. 8141, p. 81410G-81410G-7

      Research output: Contribution to journalConference articleResearchpeer-review

    68. Published

      McStas-model of the Delft SESANS

      Knudsen, E., Udby, L., Willendrup, P. K., Lefmann, Kim & Bouwman, W. G., 1 Jun 2011, In: Physica B: Condensed Matter. 406, 12, p. 2361-2364

      Research output: Contribution to journalJournal articleResearchpeer-review

    69. Published

      ESS, en forskningsfacilitet i verdensklasse under opbygning i Lund

      Lefmann, Kim, Arleth, Lise, Christensen, N. B., Møller, S. P., Skelboe, Stig & Willendrup, P. K., 1 Feb 2011, In: Kvant. 22, 1, p. 25-32

      Research output: Contribution to journalJournal articleCommunication

    70. Published

      Optimal shape of a cold-neutron triple-axis spectrometer

      Lefmann, Kim, Filges, U., Treue, F., Kirkensgaard, Jacob Judas Kain, Plesner, B., Hansen, K. S. & Klenø, K. H., 1 Apr 2011, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634, 1 (Suppl. 1), p. S1-S6 6 p.

      Research output: Contribution to journalConference articleResearchpeer-review

    71. Published

      Status of the danish Neutron Scattering Society

      Lefmann, Kim, 1 Mar 2011

      Research output: Other contributionCommunication

    72. Published

      A Monte Carlo approach for simulating the propagation of partially coherent x-ray beams

      Prodi, A., Feidenhans'l, Robert Krarup, Lefmann, Kim, Knudsen, E., Willendrup, P. K., Schmitt, S. & Ferrero, C., 23 Sep 2011, In: Proceedings of SPIE. 8141, p. 814108

      Research output: Contribution to journalConference articleResearchpeer-review

    73. Published

      Powder diffractometers at long-pulsed sources: Proceedings of the International Workshop on Neutron Applications on Strongly Correlated Electron Systems 2011 (NASCES11)

      Sales, M., fvh927, fvh927, Lieutenant, K. & Lefmann, Kim, 20 Dec 2011, In: Journal of the Physical Society of Japan. 80, Suppl.B, p. SB018 4 p.

      Research output: Contribution to journalConference articleResearchpeer-review

    74. Published

      High-field magnetic phase transitions and spin excitations in magnetoelectric LiNiPO4

      Toft-Petersen, R., Jensen, Jens, Jensen, T. B. S., Andersen, N. H., Christensen, N. B., Niedermayer, C., Kenzelmann, M., Skoulatos, M., Le, M. D., Lefmann, Kim, Hansen, S. R., Li, J., Zarestky, J. L. & Vaknin, D., 2 Aug 2011, In: Physical Review B Condensed Matter. 84, 5, p. 054408 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    75. Published

      Analysing neutron scattering data using McStas virtual experiments

      Udby, L., Willendrup, P. K., Knudsen, E., Niedermayer, C., Filges, U., Christensen, N. B., Farhi, E., Wells, B. O. & Lefmann, Kim, 1 Apr 2011, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634, Suppl. 1, p. S138-S143

      Research output: Contribution to journalConference articleResearchpeer-review

    76. Published

      Using McStas for modelling complex optics, using simple building bricks

      Willendrup, P. K., Udby, L., Knudsen, E., Farhi, E. & Lefmann, Kim, 1 Apr 2011, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634, Sp.1, p. S150-S155

      Research output: Contribution to journalConference articleResearchpeer-review

    77. 2012
    78. Published

      Solitonic lattice and Yukawa forces in the rare-earth orthoferrite TbFeO3

      Artyukhin, S., Mostovoy, M., Jensen, N. P., Le, D., Prokes, K., de paula, V. G., Nunes Bordallo, Heloisa, Maljuk, A., Landsgesell, S., Ryll, H., Klemke, B., Paeckel, S., Kiefer, K., Lefmann, Kim, Kuhn, L. T. & Argyriou, D. N., 24 Jun 2012, In: Nature Materials. 11, 8, p. 694-699 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    79. Published

      Hindered Rotational Energy Barriers of BH4 Tetrahedra in beta-Mg(BH4)(2) from Quasielastic Neutron Scattering and DFT Calculations

      Blanchard, D., Maronsson, J. B., Riktor, M. D., Kheres, J., Sveinbjörnsson, D., Gil Bardaji, E., Léon, A., Juranyi, F., Wuttke, J., Lefmann, Kim, Hauback, B. C., Fichtner, M. & Vegge, T., 19 Jan 2012, In: Journal of Physical Chemistry C. 116, 2, p. 2013-2023 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    80. Published

      Temperature dependence of the magnetization of canted spin structures

      Jacobsen, Henrik, Lefmann, Kim, Brok, E., Frandsen, C. & Morup, S., 1 Sep 2012, In: Journal of Magnetism and Magnetic Materials. 324, 19, p. 3218-3222 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    81. Published

      Systematic performance study of common neutron guide geometries

      Klenø, K. H., Lieutenant, K., Andersen, K. H. & Lefmann, Kim, 22 Dec 2012, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 696, p. 75-84 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    82. 2013
    83. Published

      "European Spallation Source - Technical Design Report"

      Arleth, Lise, Bertelsen, M., Birk, J. O., Nunes Bordallo, Heloisa, Carlsen, H., Hansen, U. B., fvh927, fvh927, Høpfner, L., Jacobsen, Henrik, Klenø, K. H., Kynde, S. A. R., Lefmann, Kim, Rasmussen, N., Sales, M., Skar-Gislinge, Nicholas, Skelboe, Stig, Theodor, K., Udby, L., Vickery, A. & Rod, T. H., 15 Apr 2013, Technical Design Report . ESS Lund ed. Lund, Sverige

      Research output: Chapter in Book/Report/Conference proceedingReport chapterResearchpeer-review

    84. Published

      McXtrace: a Monte Carlo software package for simulation of X-ray optics, beamlines, and experiments

      Bergbäck Knudsen, E., Prodi, A., Baltser, J., Thomsen, M., Willendrup, P. K., del Rio, M. S., Ferrero, C., Farhi, E., Haldrup, M. K., Vickery, A., Feidenhans'l, Robert Krarup, Mortensen, Kell, Nielsen, M. M., Poulsen, H. F., Schmidt, S. & Lefmann, Kim, 1 Jun 2013, In: Journal of Applied Crystallography. 46, Part 3, p. 679-696 18 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    85. Published

      Exploring performance of neutron guide systems using pinhole beam extraction

      Bertelsen, M., Jacobsen, Henrik, Hansen, U. B., Carlsen, H. H. & Lefmann, Kim, 21 Nov 2013, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 729, p. 387-398

      Research output: Contribution to journalJournal articleResearchpeer-review

    86. Published

      50 Years of Swiss Neutron Diffraction Instrumentation

      Fischer, P., Schefer, J., Keller, L., Zaharko, O., Pomjakushin, V., Aliouane, N., Frontzek, M., fvh927, fvh927, Lefmann, Kim & Christensen, M., 2 Aug 2013, In: Swiss Neutron News. 42, p. 4-15 11 p.

      Research output: Contribution to journalJournal articleResearch

    87. Published

      Bi-spectral extraction through elliptic neutron guides

      Jacobsen, Henrik, Lieutenant, K., Zendlle, C. & Lefmann, Kim, 21 Jul 2013, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 717, p. 69-76

      Research output: Contribution to journalJournal articleResearchpeer-review

    88. Published

      Nordic neutron Scattering Communities 2008-2013 - a bibliometric study

      Lefmann, Kim & Bakke, A., 1 Aug 2013

      Research output: Other contributionCommunication

    89. Published

      Simulation of a suite of generic long-pulse neutron instruments to optimize the time structure of the European Spallation Source

      Lefmann, Kim, Klenø, K. H., Birk, J. O., Hansen, B. R., fvh927, fvh927, Knudsen, E., Lieutenant, K., von Moos, L., Sales, M., Willendrup, P. K. & Andersen, K. H., 2013, In: Review of Scientific Instruments. 84, 5, 9 p., 055106.

      Research output: Contribution to journalJournal articleResearchpeer-review

    90. Published

      Glassy low-energy spin fluctuations and anisotropy gap in La1.88Sr0.12CuO4

      Rømer, A. T., Chang, J., Andersen, Brian Møller, Lefmann, Kim, Christensen, N. B., Mähler, L., Gavilano, J., Gilardi, R., Niedermayer, C., Rønnow, H. M., Schniedewind, A., Link, P., Oda, M., Ido, M., Momono, N. & Mesot, J., 22 Apr 2013, In: Physical Review B. 87, 14, p. 144513

      Research output: Contribution to journalJournal articleResearchpeer-review

    91. Published

      E-learning neutron scattering

      Udby, L., Ray, P. J., Lefmann, Kim, Bruun, J., Willendrup, P. K., Nielsen, J. S. B., Schober, H., Neuhaus, J. & Pulz, J., 1 Feb 2013, In: Neutron News. 24, 1, p. 18-23 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    92. 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

    93. Published

      A Monte Carlo Simulation of Neutron Instrument Resolution Functions: Proceedings of 10th International Conference on Quasielastic Neutron Scattering and 5th Workshop on Inelastic Neutron Spectrometers

      Vickery, A., Udby, L., Violini, N., Voigt, J., Deen, P. P. & Lefmann, Kim, 12 Nov 2013, In: Journal of the Physical Society of Japan. 82, Supplement A , 9 p., SA037.

      Research output: Contribution to journalConference articleResearchpeer-review

    94. 2014
    95. 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

    96. 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

    97. 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

    98. 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

    99. 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

    100. 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

    101. 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

    102. 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

    103. 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

    104. 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

    105. 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

    106. 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

    107. 2015
    108. 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

    109. 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

    110. 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

    111. 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

    112. 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

    113. 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

    114. 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

    115. 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

    116. 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

    117. 2016
    118. Published

      Constraining neutron guide optimizations with phase-space considerations

      Bertelsen, M. & Lefmann, Kim, 11 Sep 2016, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 830, p. 313-324

      Research output: Contribution to journalJournal articleResearchpeer-review

    119. 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

    120. 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

    121. Published

      HEIMDAL: A thermal neutron powder diffractometer with high and flexible resolution combined with SANS and neutron imaging - Designed for materials science studies at the European Spallation Source

      fvh927, fvh927, Lefmann, Kim, Henry, P. F., Bertelsen, M., Schefer, J. & Christensen, M., 21 Aug 2016, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 828, p. 229-241

      Research output: Contribution to journalJournal articleResearchpeer-review

    122. Published

      Neutron guide shielding for the BIFROST spectrometer at ESS

      Mantulnikovs, K., Bertelsen, M., Cooper-jensen, C. P., Lefmann, Kim & Klinkby, E. B., 1 Sep 2016, In: Journal of Physics - Conference Series. 746, 1, 012027.

      Research output: Contribution to journalConference articleResearchpeer-review

    123. 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

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