MAGNDATA - Collection of Magnetic Structures

MAGNDATA

Collection of Magnetic Structures

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

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms

N	(x,y,z)	Seitz notation
1	x,y,z,+1	{ 1 \| 0 }
2	-x+1/2,-y,z+1/2,+1	{ 2₀₀₁ \| 1/2 0 1/2 }
3	-x,-y,-z,+1	{ -1 \| 0 }
4	x+1/2,y,-z+1/2,+1	{ m₀₀₁ \| 1/2 0 1/2 }
5	x+1/2,-y+1/2,-z+1/2,-1	{ 2'₁₀₀ \| 1/2 1/2 1/2 }
6	-x,y+1/2,-z,-1	{ 2'₀₁₀ \| 0 1/2 0 }
7	-x+1/2,y+1/2,z+1/2,-1	{ m'₁₀₀ \| 1/2 1/2 1/2 }
8	x,-y+1/2,z,-1	{ m'₀₁₀ \| 0 1/2 0 }

N	(x,y,z)	Seitz notation
1	x,y,z,+1	1
2	-x,-y,z,+1	2₀₀₁
3	-x,-y,-z,+1	-1
4	x,y,-z,+1	m₀₀₁
5	x,-y,-z,-1	2'₁₀₀
6	-x,y,-z,-1	2'₀₁₀
7	-x,y,z,-1	m'₁₀₀
8	x,-y,z,-1	m'₀₁₀

Label	Atom type	x	y	z	Occupancy	Multiplicity	Symmetry constraints on M	M_x	M_y	M_z	\|M\|
Tb1	Tb	0.18200	0.25000	0.13700	1.	4	m_x,0,m_z	-6.45	0.0	5.22	8.30

Label	Atom type	x	y	z	Occupancy	Multiplicity
Pt1	Pt	0.03800	0.25000	0.65000	0.8	4
Cu1	Cu	0.03800	0.25000	0.65000	0.2	4

Atom	x	y	z	Symmetry constraints on M	M_x	M_z
1	0.18200	0.25000	0.13700	m_x,0,m_z	-6.45000	5.22000
2	0.31800	0.75000	0.63700	-m_x,0,m_z	6.45000	5.22000
3	0.81800	0.75000	0.86300	m_x,0,m_z	-6.45000	5.22000
4	0.68200	0.25000	0.36300	-m_x,0,m_z	6.45000	5.22000

Atom	x	y	z
1	0.03800	0.25000	0.65000
2	0.46200	0.75000	0.15000
3	0.96200	0.75000	0.35000
4	0.53800	0.25000	0.85000

Atom	x	y	z
1	0.03800	0.25000	0.65000
2	0.46200	0.75000	0.15000
3	0.96200	0.75000	0.35000
4	0.53800	0.25000	0.85000

Reference: A. Senas, J.R. Fernandez, J.C.G. Sal, J. Campo and J. Rodriguez-Carvajal, Physical Review B (2004) 70 184425.
DOI: 10.1103/physrevb.70.184425
Atomic positions from: ICSD #151800

Parent space group (paramagnetic phase): Pnma (#62)
Propagation vector: k1 (0, 0, 0)

Transition Temperature: 47 K
Experiment Temperature: 1.5 K

Lattice parameters of the magnetic unit cell:
7.00240 4.48230 5.52930 90.00 90.00 90.00
Transformation from parent structure: (a,b,c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: Pn'm'a (#62.446) (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\|
Tb1	Tb	0.18200	0.25000	0.13700	4	m_x,0,m_z	-6.45	0.0	5.22	8.30

Atom	x	y	z	Symmetry constraints on M	M_x	M_z
1	0.18200	0.25000	0.13700	m_x,0,m_z	-6.45000	5.22000
2	0.31800	0.75000	0.63700	-m_x,0,m_z	6.45000	5.22000
3	0.81800	0.75000	0.86300	m_x,0,m_z	-6.45000	5.22000
4	0.68200	0.25000	0.36300	-m_x,0,m_z	6.45000	5.22000

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

Active Irreps:

label	dim. small irrep	dim. full irrep	action	number of modes
mGM2+	1	1	primary	2

Comments:

NPD
Positional structure from a measurement at 60K
For compositions TbPt1-xCux with x larger than 0.3, an incommensurate magnetic phase is reported
Moment modulus Tb: 8.3

Comments (symmetry):

1k magnetic structure
k-maximal magnetic symmetry (8 possible)
1-dim irrep active

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

TbPt0.8Cu0.2 (#0.248)

TbPt_0.8Cu_0.2 (#0.248)