Browsing by Author "Morozkin, AV"

Now showing 1 - 1 of 1
  • No Thumbnail Available
    Item
    Magnetic structure of triangular lattice compound Tb2Ni0.90Si2.94
    (Elsevier, 2021-10-15) Pakhira, S; Morozkin, AV; Avdeev, M; Mazumdar, C
    AlB2-type ternary intermetallic compound Tb2Ni0.90Si2.94 (space group P6/mmm,hP3, No. 191) was reported to exhibit spin freezing behaviour of the ferromagnetic clusters present in the system below Tf=9.9 K, along with the presence of spatially limited antiferromagnetic phase. In this work, on the basis of variable temperature zero-field neutron diffraction measurements, we have shown that the antiferromagnetic phase transition occurs for the compound below TN~13 K. Neutron diffraction study indicates ab-plane non-collinear sine-modulated antiferromagnetic ordering of the system with wave vectors of k1=[±1/6,±1/6,0] and k2=[±1/3,±1/3,0] down to 1.7 K. The weak and diffuse nature of the magnetic Bragg peaks along with limited coherence length further confirm the short-range nature of the antiferromagnetic phase in this compound. © 2021 Elsevier B.V.