Abstract
Neutron diffraction and FT-IR analysis revealed that the novel oxynitrate Bi3Mn4O12(NO3) (space group P3, a = 4.9692(1) Å, c = 13.1627(3) Å) prepared by hydrothermal synthesis is of a new structural type including flat NO3 layers alternating with blocks of two PbSb2O6-like layers. Mn4+ (S = 3/2) forms a regular honeycomb lattice, and magnetic susceptibility data indicated two-dimensional magnetism. Despite its Weiss constant of -257 K, no long-range ordering was observed down to 0.4 K because of the magnetic frustration due to the competition between the nearest and the next-nearest antiferromagnetic interactions.
Original language | English |
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Pages (from-to) | 8313-8317 |
Number of pages | 5 |
Journal | Journal of the American Chemical Society |
Volume | 131 |
Issue number | 23 |
DOIs | |
State | Published - Jun 17 2009 |
Externally published | Yes |