Kim Lefmann
Professor
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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
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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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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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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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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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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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Use Neutron Scattering to Change the Future: A Classroom Learning Game for High School Physics Teaching
Bruun, Jesper, Karakosta, Petroula, Harder, S., Ivens, D. L. & Lefmann, Kim, 2024, In: Neutron News. 35, 2, p. 14-15 2 p.Research output: Contribution to journal › Letter › 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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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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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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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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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 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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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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Teaching neutron scattering with narratives: Embedding active learning in a narrative to teach modern physics
Bruun, Jesper, Lefmann, Kim, Karakosta, Petroula & Harder, S., 2024.Research output: Contribution to conference › Poster › 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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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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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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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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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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Status of the danish Neutron Scattering Society
Lefmann, Kim, 1 Mar 2011Research output: Other contribution › Communication
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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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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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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 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 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 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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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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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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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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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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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 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 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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 journal › Journal article › Research › peer-review
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Nordic neutron Scattering Communities 2008-2013 - a bibliometric study
Lefmann, Kim & Bakke, A., 1 Aug 2013Research output: Other contribution › Communication
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Non-destructive characterisation of dopant spatial distribution in cuprate superconductors
Ţuţueanu, A., Sales, M., Eliasen, K. L., Lǎcǎtuşu, M., Grivel, J., Kardjilov, N., Manke, I., Krzyzagorski, M., Sassa, Y., Andersson, M. S., Schmidt, S. & Lefmann, Kim, 1 Aug 2020, In: Physica C: Superconductivity and its Applications. 575, 6 p., 1353691.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Neutron imaging study of 'pattern-welded' swords from the Viking Age
Fedrigo, A., Strobl, M., Williams, A. R., Lefmann, Kim, Lindelof, Poul Erik, Jørgensen, L., Pentz, P., Bausenwein, D., Schillinger, B., Kovyakh, A. & Grazzi, F., 2018, In: Archaeological and Anthropological Sciences. 10, 6, p. 1249-1263 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Conference article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 3744-3747Research output: Contribution to journal › Journal article › Research
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Nature of the magnetic stripes in fully oxygenated La2CuO4+y
Ţuţueanu, A., Jacobsen, Henrik, Jensen Ray, P., fvh927, fvh927, Lăcătuşu, M., Tejsner, T. B., Grivel, J., Schmidt, W., Toft-petersen, R., Steffens, P., Boehm, M., Wells, B., Udby, L., Lefmann, Kim & Rømer, A. T., 2021, In: Physical Review B. 103, 4, 15 p., 045138.Research output: Contribution to journal › Journal article › Research › peer-review
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Nanocriticality in the magnetic phase transition of CoO nanoparticles
Kamminga, M. E., Birk, J. O., Hjøllum, J., Jacobsen, Henrik, Lass, J., Koch, T. L., Christensen, N. B., Niedermayer, C., Keller, L., Kuhn, L. T., Ulrikkeholm, E. T., Brok, E., Frandsen, C. & Lefmann, Kim, 2023, In: Physical Review B. 107, 6, 6 p., 064424.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Multiple unconventional charge density wave transitions in LaPt2Si2 superconductor clarified with high-energy X-ray diffraction
Nocerino, E., Sanlorenzo, I., Papadopoulos, K., Medarde, M., Lyu, J., Klein, Y. M., Minelli, A., Hossain, Z., Thamizhavel, A., Lefmann, Kim, Ivashko, O., Von Zimmermann, M., Sassa, Y. & Månsson, M., 30 Sep 2023, In: Communications Materials. 4, 1, 12 p., 77.Research output: Contribution to journal › Journal article › Research › peer-review
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Multiple scattering camouflaged as magnetic stripes in single crystals of superconducting (La,Sr)2CuO4
Tutueanu, A. E., Tejsner, T. B., Lacatusu, M. E., Hansen, H. W., Eliasen, K. L., Bohm, M., Steffens, P., Niedermayer, C. & Lefmann, Kim, 2020, In: Journal of Neutron Research. 22, 1, p. 49-56Research output: Contribution to journal › Journal article › Research › peer-review
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Multinomial, Poisson and Gaussian statistics in count data analysis
Lass, J., Boggild, M. E., Hedegård, Per & Lefmann, Kim, 2021, In: Journal of Neutron Research. 23, 1, p. 69-92 24 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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-e724Research output: Contribution to journal › Conference article › Research › peer-review
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Monolithic atom interferometry
Fiedler, J., Lefmann, Kim, Von Klitzing, W. & Holst, B., 7 Aug 2023, In: Physical Review A. 108, 2, 8 p., 023306.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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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-7Research output: Contribution to journal › Conference article › Research › peer-review
- 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. 2361-2364Research output: Contribution to journal › Journal article › Research › peer-review
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McStas (ii): An overview of components, their use, and advice for user contributions
Willendrup, P. K. & Lefmann, Kim, 23 Apr 2021, In: Journal of Neutron Research. 23, 1, p. 7-27 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
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McStas (i): Introduction, use, and basic principles for ray-tracing simulations
Willendrup, P. K. & Lefmann, Kim, 2 Apr 2020, In: Journal of Neutron Research. 22, 1, p. 1-16 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 35-43Research output: Contribution to journal › Journal article › Research › peer-review
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Material properties particularly suited to be measured with helium scattering: selected examples from 2D materials, van der Waals heterostructures, glassy materials, catalytic substrates, topological insulators and superconducting radio frequency materials
Holst, B., Alexandrowicz, G., Avidor, N., Benedek, G., Bracco, G., Ernst, W. E., Farias, D., Jardine, A. P., Lefmann, Kim, Manson, J. R., Marquardt, R., Artes, S. M., Sibener, S. J., Wells, J. W., Tamtoegl, A. & Allison, W., 7 Apr 2021, In: Physical Chemistry Chemical Physics. 23, 13, p. 7653-7672 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 177006Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 347-357Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 Millan, 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, 2018, In: Physical Review B. 97, 13, 11 p., 134304 .Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Conference article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
Magnetic Bloch oscillations and domain wall dynamics in a near-Ising ferromagnetic chain
Hansen, U. B., Syljuåsen, O. F., Jensen, Jens, Schäffer, T. K., Andersen, C. R., Boehm, M., Rodriguez-rivera, J. A., Christensen, N. B. & Lefmann, Kim, 10 May 2022, In: Nature Communications. 13, 1, 9 p., 2547.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Magnetic Anisotropy Switch: Easy Axis to Easy Plane Conversion and Vice Versa
Perfetti, M., Sørensen, M. A., Hansen, U. B., Bamberger, H., Lenz, S., Hallmen, P. P., Fennell, T., Simeoni, G. G., Arauzo, A., Bartolome, J., Bartolome, E., Lefmann, Kim, Weihe, Høgni, van Slageren, J. & Bendix, Jesper, 2018, In: Advanced Functional Materials. 28, 32, 8 p., 1801846.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
MJOLNIR: A software package for multiplexing neutron spectrometers
Lass, J., Jacobsen, H., Mazzone, D. G. & Lefmann, Kim, 1 Dec 2020, In: SoftwareX. 12, 9 p., 100600.Research output: Contribution to journal › Journal article › Research › peer-review
- 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, USAResearch output: Other contribution › Research
- 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. 27-34Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 452-462Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 229-241Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Gradual emergence of superconductivity in underdoped La2-xSrxCuO4
Ţuţueanu, A., Kamminga, M. E., Tejsner, T. B., Jacobsen, Henrik, Hansen, H. W., Lăcătuşu, M., Baas, J., Eliasen, K. L., Grivel, J., Sassa, Y., Christensen, N. B., Steffens, P., Boehm, M., Piovano, A., Lefmann, Kim & Rømer, A. T., 2023, In: Physical Review B. 107, 17, 6 p., 174514.Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 144513Research output: Contribution to journal › Journal article › Research › peer-review
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Solitonic lattice and Yukawa forces in the rare-earth orthoferrite TbFeO3
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50 Years of Swiss Neutron Diffraction Instrumentation
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Long-Pulse Neutron Instrumentation Workshop, August 26-28, 2009
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