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Ho3Co (#1.1.157)

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Magnetic structure with only magnetic atoms


Reference: S. Goswami, M. I. Sousa Henriques, V. Petricek, P. D. Babu, () -
Atomic positions from: same reference

Parent space group (paramagnetic phase): Pnma (#62)
Propagation vector: k1 (0.159992, 0.000000, 0.000000)

Transition Temperature: 21 K
Experiment Temperature: 3 K

Wave vectors table:
labelWave vectork1 coefficient
1(0.159992, 0, 0)1
2(0.319984, 0, 0)2
3(0.479976, 0, 0)3

Lattice parameters of the basic unit cell:
6.9512(10) 9.2583(13) 6.2519(10) 90 90 90
Transformation from parent structure: (a,b,c;0,0,0)
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Magnetic Superspace Group: Pnm'a(a00)000
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Magnetic Point Group: mmm.1' (8.2.25)
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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

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Average atomic positions and magnetic moments of symmetry independent atoms

LabelAtom typexyzMultiplicitySymmetry constraints on MM0xM0yM0z|M|
Ho1Ho0.0374(12)0.250.1462(19)4mx,0,mz1.39(11)0.02.01(15)2.44
Ho2Ho0.1803(9)0.0645(5)0.6784(12)8mx,my,mz-1.48(9)2.17(6)-0.14(9)2.63
CoCo0.322(5)0.251.052(4)4mx,0,mz-0.36(14)0.00.72(17)0.80

Magnetic moment modulation parameters of symmetry independent atoms

Wave vector 1
AtomMagnetic moment Fourier Cos coeffsMagnetic moment Fourier Sin coeffs
Symmetry constraintsNumerical valuesSymmetry constraintsNumerical values
xyzxyzxyzxyz
Ho1Mxcos10Mzcos15.35(16)0.0-7.44(14)Mxsin10Mzsin1-0.31(18)0.02.61(13)
Ho2Mxcos1Mycos1Mzcos1-2.24(11)-5.21(9)-7.46(11)Mxsin1Mysin1Mzsin10.47(13)0.55(12)-0.21(10)
CoMxcos10Mzcos11.02(16)0.0-0.07(12)Mxsin10Mzsin12.9(2)0.0-1.68(14)


Wave vector 2
AtomMagnetic moment Fourier Cos coeffsMagnetic moment Fourier Sin coeffs
Symmetry constraintsNumerical valuesSymmetry constraintsNumerical values
xyzxyzxyzxyz
Ho1Mxcos20Mzcos22.0(4)0.0-1.9(2)Mxsin20Mzsin2-1.2(3)0.0-1.4(3)
Ho2Mxcos2Mycos2Mzcos2-1.4(3)-0.4(3)1.14(18)Mxsin2Mysin2Mzsin20.06(16)1.0(3)1.15(13)
CoMxcos20Mzcos20.6(3)0.0-1.2(2)Mxsin20Mzsin2-3.2(3)0.01.5(3)


Wave vector 3
AtomMagnetic moment Fourier Cos coeffsMagnetic moment Fourier Sin coeffs
Symmetry constraintsNumerical valuesSymmetry constraintsNumerical values
xyzxyzxyzxyz
Ho1Mxcos30Mzcos3-0.1(4)0.0-1.4(3)Mxsin30Mzsin33.2(2)0.0-3.0(2)
Ho2Mxcos3Mycos3Mzcos31.00(19)1.1(3)-1.37(19)Mxsin3Mysin3Mzsin30.69(17)0.5(3)0.4(2)
CoMxcos30Mzcos30.8(4)0.00.2(3)Mxsin30Mzsin32.2(2)0.0-0.1(3)

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



Active Irreps:

labeldim. small irrepdim. full irrepdirectionactionnumber of modespresence
mSM4(k1) 1 2 general primary 14
mGM4 1 1 primary 7
mSM?(2k1) 1 2 general secondary 14 yes
mSM4(3k1) 1 2 general secondary 14 yes


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Comments (symmetry):

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