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ChemInform Abstract: Crystal and Magnetic Structures of Ca4Mn3O10, an n = 3 Ruddlesden—Popper (RP) Compound.

✍ Scribed by P. D. BATTLE; M. A. GREEN; J. LAGO; J. E. MILLBURN; M. J. ROSSEINSKY; J. F. VENTE

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis

1998 structure structure (solids and liquids) D 2000

19 -005

Crystal and Magnetic Structures of Ca 4 Mn 3 O 10 , an n = 3 Ruddlesden-Popper (RP) Compound.

-The structure of the title compound, determined by X-ray and neutron powder diffraction, is orthorhombically distorted from the ideal 3 RP structure (space group Pbca). It shows a magnetic phase transition at 115 K from a paramagnetic phase to a weakly ferromagnetic low-temperature phase. The antiferromagnetic components of the atomic magnetic moments (2.23 µB per Mn) order in a G-type manner within each perovskite block, and the interblock coupling reflects the orthorhombic symmetry of the structure. -(BATTLE, P. D.; GREEN,

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