1998
DOI: 10.1021/cm970647r
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Crystal and Magnetic Structures of Ca4Mn3O10, an n = 3 Ruddlesden−Popper Compound

Abstract: The crystal and magnetic structures of the n = 3 Ruddlesden−Popper phase with the ideal composition Ca4Mn3O10 have been studied using X-ray and neutron powder diffraction. The crystal structure at 293 K is relatively insensitive to the partial pressure of oxygen used in sample preparation. A sample prepared in air showed an orthorhombic distortion (space group Pbca, a = 5.26557(12), b = 5.26039(11), c = 26.8276(5) Å) from the ideal n = 3 RP structure, as did a sample prepared under 800 atm of O2 pressure (a = … Show more

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Cited by 68 publications
(94 citation statements)
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“…So far, only a handful of papers have been devoted to the n = 3 members of the RP series [31][32][33] . This is mainly due to the difficulty in producing mixed Mn III .…”
Section: Introductionmentioning
confidence: 99%
“…So far, only a handful of papers have been devoted to the n = 3 members of the RP series [31][32][33] . This is mainly due to the difficulty in producing mixed Mn III .…”
Section: Introductionmentioning
confidence: 99%
“…Then Eq. (6) indicates that xy = 0 and xx = yy and a detailed analysis of the distortions indicates that we condense into space group I mm2 (#44). Alternatively, if v < 0 then Eq.…”
mentioning
confidence: 99%
“…(5) indicates that |Q 5,1 | = |Q 5,2 |. Equation (6) implies that xy = 0 and xx = yy and we condense into space group F 2mm (#42). As before, these distorted space groups agree with the results in Ref.…”
mentioning
confidence: 99%
“…For instance, for n = 1 1 = [1] and is even under m z . For n = 2 the critical eigenvector is either [11] (which is even under m z ) or [11] (which is odd under m z ). For n = 3 the critical eigenvector is either [101] (which is odd under m z ) or [αβα], where α and β depend on the interactions within the three-layer subsystem and this eigenvector is even under m z .…”
Section: A θ Structuresmentioning
confidence: 99%
“…1) of space group 139 which appear at structural phase transitions. [8][9][10][11][12] (Numbering of space groups is from Ref. 13.)…”
Section: Introductionmentioning
confidence: 99%