MAGNDATA - Collection of Magnetic Structures

MAGNDATA

Collection of Magnetic Structures

MAGNDATA: A Collection of magnetic structures with portable cif-type files

Magnetic structure with all atoms

Magnetic structure with only magnetic atoms

Reference: B. Malaman, G. Venturini, L. Pontonnier, D. Fruchart, Journal of Magnetism and Magnetic Materials (1990) 86 349 - 362
DOI: 10.1016/0304-8853(90)90143-E
Atomic positions from: same reference

Parent space group (paramagnetic phase): Cmcm (#63)
Propagation vector: k1 (0, 0, 0)

Transition Temperature: 434 K
Experiment Temperature: 300 K

Lattice parameters of the magnetic unit cell:
4.094(3) 17.55(1) 4.028(3) 90.00 90.00 90.00
Transformation from parent structure: (a,b,c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: Cm'cm' (#63.464) (standard setting)
    [View symmetry operations]
Transformation to a standard setting: (a,b,c;0,0,0)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: m'm'm (8.4.27)
    [View symmetry operations]
Symmetry-adapted form of material tensors via
Symmetry-adapted form of material tensors for domain-related equivalent structures via

Positions and magnetic moments of symmetry independent atoms:
From now on, magnetic atoms are in boldface and colored in red. Magnetic moments are expressed in units of μB

     [Show only magnetic atoms]                                             Use MVISUALIZE to:
     [Show all the atoms]

Label	Atom type	x	y	z	Multiplicity	Symmetry constraints on M	M_x	M_y	M_z	\|M\|
Pr1	Pr	0.00000	0.1026(12)	0.25000	4	0,m_y,0	0.0	0.0	0.0	0.00
Mn1	Mn	0.00000	0.7488(16)	0.25000	4	0,m_y,0	0.0	1.93(19)	0.0	1.93

[Show all magnetic atoms in unit cell and their moment relations]

Active Irreps:

label	dim. small irrep	dim. full irrep	action	number of modes
mGM4+	1	1	primary	2

Comments:

NPD
Below 35K an AFM phase with also Pr moments ordered exists (see #1.628)
FM along b

Comments (symmetry):

1k magnetic structure
k-maximal magnetic symmetry
1-dim irrep

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