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Spin‐Ladder Iron Oxide: Sr 3 Fe 2 O 5
Author(s) -
Kageyama Hiroshi,
Watanabe Takashi,
Tsujimoto Yoshihiro,
Kitada Atsushi,
Sumida Yuji,
Kanamori Kazuyoshi,
Yoshimura Kazuyoshi,
Hayashi Naoaki,
Muranaka Shigetoshi,
Takano Mikio,
Ceretti Monica,
Paulus Werner,
Ritter Clemens,
André Gilles
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200801146
Subject(s) - antiferromagnetism , ground state , quantum spin liquid , condensed matter physics , superconductivity , octahedron , spin (aerodynamics) , physics , singlet state , crystallography , materials science , ion , chemistry , spin polarization , atomic physics , quantum mechanics , excited state , thermodynamics , electron
Reduction with CaH 2 of double‐layered perovskite Sr 3 Fe 2 O 7 yielded novel two‐legged S =2 ladder compound Sr 3 Fe 2 O 5 . Together with the synthesis of SrFeO 2 , this opens up new avenues for solid‐state chemistry and physics of a series of n ‐legged ladders Sr n +1 Fe n O 2 n +1 . The picture illustrates the structural transformation from FeO 6 octahedra in Sr 3 Fe 2 O 7 to FeO 4 squares in Sr 3 Fe 2 O 5 , which occurs via intermediate Sr 3 Fe 2 O 6 (Sr blue, O red, Fe yellow).