Kim Lefmann
Professor
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Off-axis spin orientation in goethite nanoparticles
Brok, E., Lefmann, Kim, Nilsen, G. J., Kure, M. & Frandsen, C., 19 Sep 2017, In: Physical Review B. 96, 10, 104426.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Conference article › Research › peer-review
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Optimization of Performance, Price, and Background of Long Neutron Guides for European Spallation Source
fvh927, fvh927, Olsen, M. A., Bertelsen, M., Birk, J. O. & Lefmann, Kim, 1 Sep 2019, In: Quantum Beam Science. 3, 3, 23 p., UNSP16.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Optimizing neutron guides: CoatingWriter
Olsen, M. A., Bertelsen, M. & Lefmann, Kim, 12 Dec 2018, In: Journal of Neutron Research. 20, 4, p. 137-139Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Conference article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Prototype of the novel CAMEA concept—A backend for neutron spectrometers
Marko, M., Groitl, F., Lass, J., Birk, J. O., Freeman, P., Lefmann, Kim, Christensen, N. B., Niedermayer, C., Juranyi, F., Lass, J., Hansen, A. & Rønnow, H. M., Jan 2018, In: Review of Scientific Instruments. 89, 1, 13 p., 015105.Research output: Contribution to journal › Journal article › Research › peer-review
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Q-dependent electron-phonon coupling induced phonon softening and non-conventional critical behavior in the CDW superconductor LaPt2Si2
Nocerino, E., Stuhr, U., San Lorenzo, I., Mazza, F., Mazzone, D. G., Hellsvik, J., Hasegawa, S., Asai, S., Masuda, T., Itoh, S., Minelli, A., Hossain, Z., Thamizhavel, A., Lefmann, Kim, Sassa, Y. & Månsson, M., 2023, In: Journal of Science: Advanced Materials and Devices. 8, 4, 10 p., 100621.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 1083-1085Research output: Contribution to journal › Conference article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Conference article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 2010Research output: Other contribution › Research
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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 journal › Journal article › Research › peer-review
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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. 77-85Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 3-3Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Spin excitations and quantum criticality in the quasi-one-dimensional Ising-like ferromagnet CoCl2 center dot 2D2O in a transverse field
Larsen, J., Schaffer, T. K., Hansen, U. B., fvh927, fvh927, Ahl, S. R., Toft-Petersen, R., Taylor, J., Ehlers, G., Jensen, Jens, Ronnow, H. M., Lefmann, Kim & Christensen, N. B., 20 Nov 2017, In: Physical Review B. 96, 17, 174424.Research output: Contribution to journal › Journal article › Research › peer-review
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Spin orientation in solid solution hematite-ilmenite
Brok, E., Frandsen, C., Lefmann, Kim, McEnroe, S., Robinson, P., Burton-Pye, B. P., Hansen, T. C. & Harrison, R., 2017, In: American Mineralogist. 102, 6, p. 1234-1243 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Spin susceptibility of the topological superconductor UPt3 from polarized neutron diffraction
Gannon, W. J., Halperin, W. P., Eskildsen, M. R., Dai, P., Hansen, U. B., Lefmann, Kim & Stunault, A., 10 Jul 2017, In: Physical Review B. 96, 4, 041111.Research output: Contribution to journal › Journal article › Research › peer-review
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Staging superstructures in high-Tc Sr/O codoped La2-xSrxCuO4+y
Ray, P. J., Andersen, N. H., Jensen, T. B. S., Mohottala, H. E., Niedermayer, C., Lefmann, Kim, v.Zimmermann, M. & Udby, L., 9 Nov 2017, In: Physical Review B. 96, 6 p., 174106.Research output: Contribution to journal › Journal article › Research › peer-review
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Status of the danish Neutron Scattering Society
Lefmann, Kim, 1 Mar 2011Research output: Other contribution › Communication
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Structural characterization and magnetic properties of chromium jarosite KCr3(OD)6 (SO4)2
Janas, S., Sorensen, M. B., Andersen, A. B. A., Juelsholt, M., Boehm, M., Pedersen, K. S., Jensen, Kirsten Marie Ørnsbjerg, Lefmann, Kim & Nielsen, U. G., 21 Nov 2020, In: Physical Chemistry Chemical Physics. 22, 43, p. 25001-25010 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 230-234Research output: Contribution to journal › Journal article › Research › peer-review
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Superflydende He-4
Lefmann, Kim & Rischel, C., 18 Nov 1989, In: Gamma. 75, p. 3-13Research output: Contribution to journal › Journal article › Communication
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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The instrument suite of the European Spallation Source
Andersen, K. H., Argyriou, D. N., Jackson, A. J., Houston, J., Henry, P. F., Deen, P. P., Toft-Petersen, R., Beran, P., Strobl, M., Arnold, T., Wacklin-Knecht, H., Tsapatsaris, N., Oksanen, E., Woracek, R., Schweika, W., Mannix, D., Hiess, A., Kennedy, S., Kirstein, O., Petersson Årsköld, S. & 30 others, , 21 Mar 2020, In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 957, 39 p., 163402.Research output: Contribution to journal › Journal article › Research › peer-review
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The magnetic properties of MAl4(OH)12SO4·3H2O with M = Co2+, Ni2+, and Cu2+ determined by a combined experimental and computational approach
Andersen, A. B. A., Christiansen, R. T., Holm-Janas, S., Manvell, A. S., Pedersen, K. S., Sheptyakov, D., Embs, J. P., Jacobsen, H., Dachs, E., Vaara, J., Lefmann, Kim & Nielsen, U. G., 2023, In: Physical Chemistry Chemical Physics. 25, 4, p. 3309–3322 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 667-681Research output: Contribution to journal › Journal article › Research › peer-review
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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. SB004Research output: Contribution to journal › Conference article › Research › peer-review
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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 journal › Journal article › Research
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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 journal › Journal article › Research › peer-review
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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-S155Research output: Contribution to journal › Conference article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 61-70Research output: Contribution to journal › Journal article › Research › peer-review
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Zero-order filter for diffractive focusing of de Broglie matter waves
Eder, S. D., Ravn, A. K., Samelin, B., Bracco, G., Palau, A. S., Reisinger, T., Knudsen, E. S., Lefmann, Kim & Holst, B., 2017, In: Physical Review A. 95, 2, 5 p., 023618.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 8Research output: Contribution to journal › Journal article › Communication
ID: 3673604
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Solitonic lattice and Yukawa forces in the rare-earth orthoferrite TbFeO3
Research output: Contribution to journal › Journal article › Research › peer-review
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1152
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50 Years of Swiss Neutron Diffraction Instrumentation
Research output: Contribution to journal › Journal article › Research
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857
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Long-Pulse Neutron Instrumentation Workshop, August 26-28, 2009
Research output: Other contribution › Research
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