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The magnetic structure of the U0.1Np0.9Ru2Si2 solid solution has been studied using neutron diffraction techniques on a single crystal. At Tn=25 K this compound orders magnetically into an incommensurate longitudinally modulated structure which is very similar to the one reported for pure NpRu2Si2. At Tcom ~ 13 K, however, an incommensurate to commensurate transition takes place and the low temperature magnetic structure is the same as the one observed in URu2SI2. The calculated value of the magnetic moment is consisted with the published neutron diffraction and Mossbauer results.

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Authors: DERVENGAS P, CEA Grenoble (FR);HEISS A, Institute Laue-Langevin, Grenoble (FR);LANDER G H, ITU Karlsruhe (DE);WASTIN F, ITU Karlsruhe (DE);REBIZANT J, ITU Karlsruhe (DE)
Bibliographic Reference: Article: Solid State Communications
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