Synthesis, crystal structure, and magnetic properties of Bi 3Mn4O12(NO3) oxynitrate comprising S = 3/2 honeycomb lattice

Olga Smirnova, Masaki Azuma, Nobuhiro Kumada, Yoshihiro Kusano, Masaaki Matsuda, Yuichi Shimakawa, Takahiro Takei, Yoshinori Yonesaki, Nobukazu Kinomura

Research output: Contribution to journalArticlepeer-review

128 Scopus citations

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 languageEnglish
Pages (from-to)8313-8317
Number of pages5
JournalJournal of the American Chemical Society
Volume131
Issue number23
DOIs
StatePublished - Jun 17 2009
Externally publishedYes

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