Kim Lefmann

Kim Lefmann

Professor

Member of:


    1. 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

    2. Published

      24-spin clusters in the mineral boleite KPb26Ag9Cu24Cl62(OH)48

      Dreier, E. S., fvh927, fvh927, Lonbaek, K., Hansen, U. B., Medarde, M., Zivkovic, I., Babkevich, P., Ruminy, M., Casati, N., Piovano, A., Rols, S., Nilsen, G. J., Boehm, M., Skoulatos, M., Schefer, J., Ronnow, H. M., Fennell, T. & Lefmann, Kim, 17 Jan 2018, In: Physical Review B. 97, 1, 014416.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. 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

    4. 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

    5. 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

    6. 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

    7. 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

    8. 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

    9. Published

      An optional focusing SELENE extension to conventional neutron guides: A case study for the ESS instrument BIFROST

      Hansen, U. B., Bertelsen, M., Stahn, J. & Lefmann, Kim, 3 Feb 2017, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 852, p. 46-56

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. 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

    11. 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

    12. 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

    13. 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

    14. 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

    15. 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

    16. 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

    17. Published

      Chemical tunnel-splitting-engineering in a dysprosium-based molecular nanomagnet

      Sørensen, M. A., Hansen, U. B., Perfetti, M., Pedersen, K. S., Bartolome, E., Simeoni, G. G., Mutka, H., Rols, S., Jeong, M., Zivkovic, I., Retuerto Millan, M., Arauzo, A., Bartolome, J., Piligkos, Stergios, Weihe, Høgni, Doerrer, L. H., van Slageren, J., Rønnow, H. M., Lefmann, Kim & Bendix, Jesper, 1 Dec 2018, In: Nature Communications. 9, 9 p., 1292.

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. Published

      Classical Spin Liquid or Extended Critical Range in h-YMnO3?

      Janas, S., Lass, J., Tutueanu, A., Haubro, M. L., Niedermayer, C., Stuhr, U., Xu, G., Prabhakaran, D., Deen, P. P., fvh927, fvh927 & Lefmann, Kim, 11 Mar 2021, In: Physical Review Letters. 126, 10, 6 p., 107203.

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      Coherent Epitaxial Semiconductor-Ferromagnetic Insulator InAs/EuS Interfaces: Band Alignment and Magnetic Structure

      Liu, Yu, Luchini, A., Marti-Sanchez, S., Koch, C., Schuwalow, S., Khan, S. A., Stankevic, T., Francoual, S., Mardegan, J. R. L., Krieger, J. A., Strocov, V. N., Stahn, J., Vaz, C. A. F., Ramakrishnan, M., Staub, U., Lefmann, Kim, Aeppli, G., Arbiol, J. & Krogstrup, Peter, 19 Feb 2020, In: A C S Applied Materials and Interfaces. 12, 7, p. 8780-8787 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. 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

    21. 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

    22. 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

    23. 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

    24. 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

    25. Published

      Design, calibration, and performance of a uniaxial pressure cell for neutron scattering studies of quantum magnetism

      Sandberg, L. Ø., Haubro, M. L., Krighaar, Kristine Marie Løfgren, Edberg, R., Fjellvåg, I. M. B., Guthrie, M., Holmes, A. T., Mangin-thro, L., Wildes, A., Henelius, P., Lefmann, Kim & Deen, P. P., 3 Oct 2023, In: Review of Scientific Instruments. 94, 10, 17 p., 103901.

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. Published

      Diffuse spin waves and classical spin liquid behavior in the kagomé antiferromagnet chromium jarosite, KCr3(OD)6(SO4)2

      Janas, S., Lolk, S. L., Andersen, A. B. A., Guidi, T., Voneshen, D., Živković, I., Nielsen, U. G. & Lefmann, Kim, 29 Aug 2023, In: Physical Review B. 108, 6, 14 p., 064432.

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. Published

      Dipolar spin ice under uniaxial pressure

      Edberg, R., Sandberg, L. O., Bakke, I. M. B., Haubro, M. L., Folkers, L. C., Mangin-Thro, L., Wildes, A., Zaharko, O., Guthrie, M., Holmes, A. T., Sorby, M. H., Lefmann, Kim, Deen, P. P. & Henelius, P., 25 Oct 2019, In: Physical Review B. 100, 14, 8 p., 144436.

      Research output: Contribution to journalJournal articleResearchpeer-review

    28. Published

      Distinct Nature of Static and Dynamic Magnetic Stripes in Cuprate Superconductors

      Jacobsen, Henrik, fvh927, fvh927, Lacatusu, M. -., Romer, A. T., Bertelsen, M., Boehm, M., Toft-Petersen, R., Grivel, J. -., Emery, S. B., Udby, L., Wells, B. O. & Lefmann, Kim, 18 Jan 2018, In: Physical Review Letters. 120, 3, 5 p., 037003.

      Research output: Contribution to journalJournal articleResearchpeer-review

    29. 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

    30. 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

    31. 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

    32. 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

    33. 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

    34. 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

    35. Published

      Effects of ground movements on realistic guide models for the European Spallation Source

      Husgard, A., Olsen, M. A., Frøystad, R., Hyatt, J. P., zxj803, Z., Toft-Petersen., R. & Lefmann, Kim, 8 Oct 2020, In: Physical Review Accelerators and Beams. 23, 10, 8 p., 103501.

      Research output: Contribution to journalJournal articleResearchpeer-review

    36. Published

      Effects of uniaxial pressure on the spin ice Ho2Ti2O7

      Edberg, R., Bakke, I. M. B., Kondo, H., Sandberg, L. O., Haubro, M. L., Guthrie, M., Holmes, A. T., Engqvist, J., Wildes, A., Matsuhira, K., Lefmann, Kim, Deen, P. P., Mito, M. & Henelius, P., 9 Nov 2020, In: Physical Review B. 102, 18, 12 p., 184408.

      Research output: Contribution to journalJournal articleResearchpeer-review

    37. 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

    38. Published

      Emergent magnetic behavior in the frustrated Yb3Ga5O12 garnet

      Sandberg, L. O., Edberg, R., Bakke, I. B., Pedersen, K. S., Hatnean, M. C., Balakrishnan, G., Mangin-Thro, L., Wildes, A., Fak, B., Ehlers, G., Sala, G., Henelius, P., Lefmann, Kim & Deen, P. P., 13 Aug 2021, In: Physical Review B. 104, 6, 16 p., 064425.

      Research output: Contribution to journalJournal articleResearchpeer-review

    39. Published

      Erratum: Magnetic ground state and magnon-phonon interaction in multiferroic h-YMnO3

      fvh927, fvh927, Kreisel, Andreas, Schäffer, T. K., Bakke, A., Bertelsen, M., Hansen, U. B., Retuerto, M., Larsen, J., Prabhakaran, D., Deen, P. P., Yamani, Z., Birk, J. O., Stuhr, U., Niedermayer, C., Fennell, A. L., Andersen, Brian Møller & Lefmann, Kim, 17 Sep 2018, In: Physical Review B. 97, 9, 134304.

      Research output: Contribution to journalComment/debateResearchpeer-review

    40. Published

      Evolution of magnetic stripes under uniaxial stress in La1.885Ba0.115CuO4 studied by neutron scattering

      Kamminga, M. E., Krighaar, Kristine Marie Løfgren, Romer, A. T., Sandberg, L. O., Deen, P. P., Boehm, M., Gu, G. D., Tranquada, J. M. & Lefmann, Kim, 12 Apr 2023, In: Physical Review B. 107, 14, 5 p., 144506.

      Research output: Contribution to journalJournal articleResearchpeer-review

    41. Published

      Exact diagonalization study of the Hubbard-parametrized four-spin ring exchange model on a square lattice

      Larsen, C. B., Rømer, A. T., Janas, S., Treue, F., Mønsted, B., Shaik, N. E., Rønnow, H. M. & Lefmann, Kim, 2019, In: Physical Review B. 99, 5, 12 p., 054432.

      Research output: Contribution to journalJournal articleResearchpeer-review

    42. 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

    43. 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

    44. Published

      Extraction of archaeological information from metallic artefacts-A neutron diffraction study on Viking swords

      Fedrigo, A., Grazzi, F., Williams, A. R., Panzner, T., Lefmann, Kim, Lindelof, Poul Erik, Jørgensen, L., Pentz, P., Scherillo, A., Porcher, F. & Strobl, M., 2017, In: Journal of Archaeological Science: Reports. 12, p. 425-436 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    45. 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

    46. 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

    47. Published

      Field-induced magnetic incommensurability in multiferroic Ni3TeO6

      Lass, J., Andersen, C. R., Leerberg, H. K., Birkemose, S., Toth, S., Stuhr, U., Bartkowiak, M., Niedermayer, C., Lu, Z., Toft-Petersen, R., Retuerto, M., Birk, J. O. & Lefmann, Kim, 2020, In: Physical Review B. 101, 5, p. 1-9 9 p., 054415.

      Research output: Contribution to journalJournal articleResearchpeer-review

    48. 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

    49. 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

    50. 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

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