Kim Lefmann

Research output

Research output per year 1986 2009 2011 2013 2014 2015 2017 2018 2019

• 93 Journal article
• 18 Conference article
• 4 Other contribution
• 2 Comment/debate
• 2 More
  • 1 Report chapter
  • 1 Conference abstract for conference

Research output per year

Research output per year

Search results

• 2004

  The monochromatic imaging mode of a RITA-type neutron spectrometer

  Bahl, C. R. H., Andersen, P., Klausen, S. N. & Lefmann, K., 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 journal › Journal article › Research › peer-review

  13 Citations (Scopus)
• 2003

  An inelastic neutron scattering study of hematite nanoparticles

  Klausen, S. N., Lefmann, K., Lindgård, P-A., 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 journal › Conference article › Research › peer-review

  21 Citations (Scopus)
• 2002

  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, K. & Rischel, C., 30 Jun 2002, In: Physical Review Letters. 89, 079702.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Magnetic propertie of nanoparticales of antiferromagnetic materials

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

  Research output: Contribution to journal › Journal article › Research › peer-review

  43 Citations (Scopus)
• 2001

  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, K. & Rischel, C., 28 Jun 2001, In: Physical Review Letters. 87, 037202.

  Research output: Contribution to journal › Journal article › Research › peer-review

  92 Citations (Scopus)
• 2000

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review

  9 Citations (Scopus)

• Thermodynamics of Rh nuclear spins calculated by exact diagonalization

  Lefmann, K., Ipsen, J., Rasmussen, F. B. & Rasmussen, F. B., 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

  • Nuclear Spin 100%
  • nuclear spin 75%
  • Thermodynamics 62%
  • thermodynamics 49%
  • series expansion 38%
  1 Citation (Scopus)
• 1997

  Nuclear order in silver at pico-Kelvin temperature

  Siemensmeyer, K., Clausen, K. N., Lefmann, K., Lounasmaa, O. V., Metz, A., Nummila, K. K., Steiner, M., Tuoriniemi, J. T., Vuorinen, R. T. & Rasmussen, F. B., 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

  • Neutron diffraction 100%
  • Phase diagrams 89%
  • Silver 76%
  • Neutron Diffraction 73%
  • neutron diffraction 66%
• 1996

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review

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

  Lefmann, K. & Rasmussen, F. B., 1 Mar 1996, In: Kvant. 8

  Research output: Contribution to journal › Journal article › Communication

• 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, K. & Rasmussen, F. B., 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

  2 Citations (Scopus)

• Neutron experiments on nuclear order in silver at pK temperatures

  Nummila, K. K., Tuoriniemi, J. T., Vuorinen, R. T., Lounasmaa, O. V., Lefmann, K., Clausen, K. N., Metz, A., Siemensmeyer, K., Lipinski, L., Steiner, M. & Rasmussen, F. B., 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

  • silver 100%
  • neutrons 80%
  • neutron diffraction 58%
  • magnetic permeability 44%
  • entropy 44%
• 1995

  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, K. & Rasmussen, F. B., 30 Jun 1995, In: Physical Review Letters. 75, p. 3744-3747

  Research output: Contribution to journal › Journal article › Research

  33 Citations (Scopus)
• 1994

  Foton - et fysikspil

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

  Research output: Contribution to journal › Journal article › Communication

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review

  10 Citations (Scopus)

• NMR spectra of pure ¹³C diamond

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

  Research output: Contribution to journal › Journal article › Research › peer-review
• 1993

  Bodegadage (on the physics of billiards)

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

  Research output: Contribution to journal › Journal article › Communication
• 1989

  Superflydende He^-4

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

  Research output: Contribution to journal › Journal article › Communication
• 1986

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

  Christensen, C. H., Jensen, J. O., Lefmann, K., 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 journal › Journal article › Research › peer-review

  6 Citations (Scopus)