MAGNDATA - Collection of Magnetic Structures

Magnetic structure with only magnetic atoms

N	(x,y,z)	Seitz notation
1	x1,x2,x3,x4,+1	{ 1 \| 0 }
2	-x1,-x2,x3,x4,+1	{ 2₀₀₁ \| 0 }
3	-x2,x1,x3,x4,+1	{ 4⁺₀₀₁ \| 0 }
4	x2,-x1,x3,x4,+1	{ 4^-₀₀₁ \| 0 }
5	-x1,x2,-x3,-x4+1/2,+1	{ 2₀₁₀ \| 0 0 0 1/2 }
6	x1,-x2,-x3,-x4+1/2,+1	{ 2₁₀₀ \| 0 0 0 1/2 }
7	x2,x1,-x3,-x4+1/2,+1	{ 2₁₁₀ \| 0 0 0 1/2 }
8	-x2,-x1,-x3,-x4+1/2,+1	{ 2_1-10 \| 0 0 0 1/2 }
9	-x1,-x2,-x3,-x4,+1	{ -1 \| 0 }
10	x1,x2,-x3,-x4,+1	{ m₀₀₁ \| 0 }
11	x2,-x1,-x3,-x4,+1	{ -4⁺₀₀₁ \| 0 }
12	-x2,x1,-x3,-x4,+1	{ -4^-₀₀₁ \| 0 }
13	x1,-x2,x3,x4+1/2,+1	{ m₀₁₀ \| 0 0 0 1/2 }
14	-x1,x2,x3,x4+1/2,+1	{ m₁₀₀ \| 0 0 0 1/2 }
15	-x2,-x1,x3,x4+1/2,+1	{ m₁₁₀ \| 0 0 0 1/2 }
16	x2,x1,x3,x4+1/2,+1	{ m_1-10 \| 0 0 0 1/2 }
(0,0,0,1/2)' + set click here to show and hide
17	x1,x2,x3,x4+1/2,-1	{ 1' \| 0 0 0 1/2 }
18	-x1,-x2,x3,x4+1/2,-1	{ 2'₀₀₁ \| 0 0 0 1/2 }
19	-x2,x1,x3,x4+1/2,-1	{ 4'⁺₀₀₁ \| 0 0 0 1/2 }
20	x2,-x1,x3,x4+1/2,-1	{ 4'^-₀₀₁ \| 0 0 0 1/2 }
21	-x1,x2,-x3,-x4,-1	{ 2'₀₁₀ \| 0 }
22	x1,-x2,-x3,-x4,-1	{ 2'₁₀₀ \| 0 }
23	x2,x1,-x3,-x4,-1	{ 2'₁₁₀ \| 0 }
24	-x2,-x1,-x3,-x4,-1	{ 2'_1-10 \| 0 }
25	-x1,-x2,-x3,-x4+1/2,-1	{ -1' \| 0 0 0 1/2 }
26	x1,x2,-x3,-x4+1/2,-1	{ m'₀₀₁ \| 0 0 0 1/2 }
27	x2,-x1,-x3,-x4+1/2,-1	{ -4'⁺₀₀₁ \| 0 0 0 1/2 }
28	-x2,x1,-x3,-x4+1/2,-1	{ -4'^-₀₀₁ \| 0 0 0 1/2 }
29	x1,-x2,x3,x4,-1	{ m'₀₁₀ \| 0 }
30	-x1,x2,x3,x4,-1	{ m'₁₀₀ \| 0 }
31	-x2,-x1,x3,x4,-1	{ m'₁₁₀ \| 0 }
32	x2,x1,x3,x4,-1	{ m'_1-10 \| 0 }

N	(x,y,z)	Seitz notation
1	x,y,z,+1	1
2	-x,-y,z,+1	2₀₀₁
3	-y,x,z,+1	4⁺₀₀₁
4	y,-x,z,+1	4^-₀₀₁
5	-x,y,-z,+1	2₀₁₀
6	x,-y,-z,+1	2₁₀₀
7	y,x,-z,+1	2₁₁₀
8	-y,-x,-z,+1	2_1-10
9	-x,-y,-z,+1	-1
10	x,y,-z,+1	m₀₀₁
11	y,-x,-z,+1	-4⁺₀₀₁
12	-y,x,-z,+1	-4^-₀₀₁
13	x,-y,z,+1	m₀₁₀
14	-x,y,z,+1	m₁₀₀
15	-y,-x,z,+1	m₁₁₀
16	y,x,z,+1	m_1-10
1' + set click here to show and hide
17	x,y,z,-1	1'
18	-x,-y,z,-1	2'₀₀₁
19	-y,x,z,-1	4'⁺₀₀₁
20	y,-x,z,-1	4'^-₀₀₁
21	-x,y,-z,-1	2'₀₁₀
22	x,-y,-z,-1	2'₁₀₀
23	y,x,-z,-1	2'₁₁₀
24	-y,-x,-z,-1	2'_1-10
25	-x,-y,-z,-1	-1'
26	x,y,-z,-1	m'₀₀₁
27	y,-x,-z,-1	-4'⁺₀₀₁
28	-y,x,-z,-1	-4'^-₀₀₁
29	x,-y,z,-1	m'₀₁₀
30	-x,y,z,-1	m'₁₀₀
31	-y,-x,z,-1	m'₁₁₀
32	y,x,z,-1	m'_1-10

Label	Atom type	x	y	z	Multiplicity
Ru1	Ru	0	0.5	0	2
Al1	Al	0.5	0.5	0.25551	2
B1	B	0	0	0	1

Atom	Magnetic moment Fourier Cos coeffs	Magnetic moment Fourier Sin coeffs
Symmetry constraints	Numerical values	Symmetry constraints	Numerical values
x	y	z	x	y	z	x	y	z	x	y	z
Ce1	0	0	M_zcos1	0.0	0.0	1.8	0	0	0	0.0	0.0	0.0

Atom	x	y	z
1	0.00000	0.00000	0.50000

Atom	Magnetic moment Fourier Cos coeffs	Magnetic moment Fourier Sin coeffs
Symmetry constraints	Numerical values	Symmetry constraints	Numerical values
x	y	z	x	y	z	x	y	z	x	y	z
1	0	0	M_zcos1	0.0	0.0	1.80000	0	0	0	0.0	0.0	0.0

Atom	x	y	z
1	0.00000	0.50000	0.00000
2	0.50000	0.00000	0.00000

Atom	x	y	z
1	0.50000	0.50000	0.25551
2	0.50000	0.50000	0.74449

Atom	x	y	z
1	0.00000	0.00000	0.00000

Reference: A. Bhattacharyya, D.D. Khalyavin, F. Kruger, D.T. Adroja, A.M. Strydom, W.A. Kockelmann and A.D. Hillier, Physical Review B (2016) 93 060410.
DOI: 10.1103/physrevb.93.060410
Atomic positions from: ICSD #186682

Parent space group (paramagnetic phase): P4/mmm (#123)
Propagation vector: k1 (0.000000, 0.000000, 0.148000)

Transition Temperature: 14.2 K
Experiment Temperature: 13 K

Lattice parameters of the basic unit cell:
4.198 4.198 5.607 90 90 90
Transformation from parent structure: (a,b,c;0,0,0)
    [View matrix form]

Magnetic Superspace Group: P4/mmm1'(00γ)00sss
    [View symmetry operations]

Magnetic Point Group: 4/mmm1' (15.2.54)
    [View symmetry operations]
Symmetry-adapted form of material tensors via

Average positions, magnetic moments and magnetic modulations 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]
     [Show all the atoms]

Average atomic positions of symmetry independent atoms

Label	Atom type	x	y	z	Multiplicity
Ce1	Ce	0	0	0.5	1

Magnetic moment modulation parameters of symmetry independent atoms

Wave vector 1

Atom	Magnetic moment Fourier Cos coeffs						Magnetic moment Fourier Sin coeffs
	Symmetry constraints			Numerical values			Symmetry constraints			Numerical values
	x	y	z	x	y	z	x	y	z	x	y	z
Ce1	0	0	M_zcos1	0.0	0.0	1.8	0	0	0	0.0	0.0	0.0

Atom	x	y	z
1	0.00000	0.00000	0.50000

Atom	Magnetic moment Fourier Cos coeffs	Magnetic moment Fourier Sin coeffs
Symmetry constraints	Numerical values	Symmetry constraints	Numerical values
x	y	z	x	y	z	x	y	z	x	y	z
1	0	0	M_zcos1	0.0	0.0	1.80000	0	0	0	0.0	0.0	0.0

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

Active Irreps:

label	dim. small irrep	dim. full irrep	action
mLD4	1	2	primary

Comments:

NPD
Below 12.8K a commensurate FM is reported

Comments (symmetry):

1k incommensurate magnetic structure
1-dim small irrep active : only a magnetic superspace group possible

Bilbao Crystallographic Server
http://www.cryst.ehu.es

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

CeRu₂Al₂B (#1.1.44)

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

CeRu2Al2B (#1.1.44)

CeRu₂Al₂B (#1.1.44)