L. E. Svistov, L. A. Prozorova, N. Büttgen, A. Ya. Shapiro, L. N. Dem’yanets, “$^{87}$Rb NMR study of the magnetic structure of the quasi-two-dimensional antiferromagnet RbFe(MoO$_4$)$_2$ on a triangular lattice”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2005, Volume 81, Issue 3,Pages 133

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CONDENSED MATTER

$^{87}$Rb NMR study of the magnetic structure of the quasi-two-dimensional antiferromagnet RbFe(MoO$_4$)$_2$ on a triangular lattice

L. E. Svistov^ab, L. A. Prozorova^a, N. Büttgen^c, A. Ya. Shapiro^b, L. N. Dem’yanets^b

^a P. L. Kapitza Institute for Physical Problems
^b Institute of Cristallography RAS
^c Center for Electronic Correlations and Magnetism, Theoretical Physics III, Institute of Physics, University of Augsburg

Abstract: $^{87}$Rb nuclear magnetic resonance was experimentally studied in a quasi-two-dimensional Heisenberg antiferromagnet RbFe(MoO$_4$)$_2$. Dipole fields at the $^{87}$Rb nuclei were found over a wide range of temperatures and static magnetic fields. Magnetic structures in the ordered phase were determined at various magnetic fields.

PACS: 75.50.Ee, 76.60.-k

Received: 16.12.2004