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Träfflista för sökning "WFRF:(Rundlöf Håkan) srt2:(2000-2004)"

Sökning: WFRF:(Rundlöf Håkan) > (2000-2004)

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  • Azad, AK, et al. (författare)
  • Nuclear and magnetic structure of Ca2MnWO6: A neutron powder diffraction study
  • 2001
  • Ingår i: MATERIALS RESEARCH BULLETIN. - 0025-5408. ; 36:13-14, s. 2485-2496
  • Tidskriftsartikel (refereegranskat)abstract
    • The nuclear and magnetic structures of the double provskite compound Ca2MnWO6 have been determined by neutron powder diffraction. Rietveld refinement shows that the compound adopts a monoclinic crystal structure with P2(1)/n symmetry. Magnetic refinement
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  • Azad, AK, et al. (författare)
  • Preparation, Crystal and Magnetic Structure of the Double Perovskite Ba2FeWO6
  • 2002
  • Ingår i: Applied Physics A. - : Springer Science and Business Media LLC. ; A 74, s. S763-765
  • Tidskriftsartikel (refereegranskat)abstract
    • Single-phase polycrystalline material of the double perovskite Ba2FeWO6 was prepared and characterized by X-ray and neutron powder diffraction (NPD). The crystal structure was tetragonal with lattice parameters a=b=5.7479(4) Å and c=8.1444(9) Å at room temperature (295 K). NPD data at 10 K shows the evidence of an antiferromagnetic ordering of the Fe atoms. The reverse Monte Carlo powder (RMCPOW) technique was used to find the magnetic structure, which showed that it is based on a unit cell related to that of the nuclear structure by the propagation vector 0 \frac[¯]1[¯][¯]2[¯] \frac[¯]1[¯][¯]2[¯] . An ordering of collinear spins was found with alternate layers in the c-direction or in the a-b plane. The model was checked by Rietveld refinement and the magnetic moment of iron was found to be 3.39(2)7B at 10 K.
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  • Azad, AK, et al. (författare)
  • Synthesis, crystal structure, and magnetic characterization of the double perovskite Ba2MnWO6
  • 2001
  • Ingår i: MATERIALS RESEARCH BULLETIN. - 0025-5408. ; 36:12, s. 2215-2228
  • Tidskriftsartikel (refereegranskat)abstract
    • The double perovskite Ba2MnWO6 has been prepared as a pure powder by a conventional solid-state reaction process and studied by X-ray, neutron powder diffraction (NPD), magnetization, and AC susceptibility measurements. NPD, magnetization, and AC suscepti
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  • Resultat 1-10 av 29

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