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Long-range antiferromagnetic order in the S=1 chain compound LiVGe2O6

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 نشر من قبل Mark D. Lumsden
 تاريخ النشر 2000
  مجال البحث فيزياء
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The phase transition in the compound LiVGe2O6 has been proposed as a unique example of a spin-Peierls transition in an S=1 antiferromagnetic chain. We report neutron and x-ray diffraction measurements of LiVGe2O6 above and below the phase transition at T=24 K. No evidence is seen for any structural distortion associated with the transition. The neutron results indicate that the low temperature state is antiferromagnetic, driven by ferromagnetic interchain couplings.



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