Coexistance of spiral and commensurate structures in a triangular antiferromagnet KFe(MoO4)2

  title={Coexistance of spiral and commensurate structures in a triangular antiferromagnet KFe(MoO4)2},
  author={Aleksandr I. Smirnov and L. E. Svistov and Lyudmila A. Prozorova and Andrey Zheludev and Mark D. Lumsden and Eric Ressouche and O. A. Petrenko and Masayuki Hagiwara and Shojiro Kimura and Kouichi Nishikawa and Koichi Kindo and A. Ya. Shapiro and Lioudmila N. Demianets},
Magnetization, specific heat, magnetic resonance and neutron diffraction measurements are used to study the magnetic structure of KFe(MoO4)2. This stacked triangular antiferromagnet (TN=2.5 K) demonstrates an unusual breaking of the spin system into two intercalated and almost independent 2D subsystems. One is a collinear antiferromagnet with a simple spin-flop behavior. The other is a spiral magnet. The spin structure may be explained assuming two types of inequivalent magnetic planes with… 
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