NMR and X-Ray (100) and (110) Diffraction Lines in L2₁-Type Fe₂VSi

Abstract

he ⁵¹V NMR in L2₁-type Fe₂Vsi was measured as a function of temperature using the spin-echo method. The ⁵¹V Knight shift was 0.115% at 10~K. The ⁵¹V NMR spectra in applied fields have unusually broadened tails. This suggests the existence of Fe atoms with relatively large magnetic moments due to atomic disorders. The atomic disorders between Fe sites and other atomic sites were indicated by the observation of the broad X-ray diffraction lines corresponding to (100) and (110).