Home / Magnets / Sm3Co14Mn (MAG-000305)

Sm3Co14Mn

Ternary

Crystal Structure

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Overview

Magnetic flux density1.066T
Magnetization density0.091μB Å−3
Total spin moment69.759μB cell−1
MP-reference hull distance0.032eV atom−1
Cell volume762.060Å3
Number of atoms54atoms
Chemical system Sm-Co-Mn Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo42Mn3Sm9
a, b, c4.960, 4.960, 35.767 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume762.060 Å3
Volume per atom14.112 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR18

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm3a33m
Sm2Sm3a33m
Sm3Sm3a33m
Mn1Mn3a33m
Co1Co9b9.m
Co2Co9b9.m
Co3Co3a33m
Co4Co9b9.m
Co5Co3a33m
Co6Co3a33m
Co7Co3a33m
Co8Co3a33m

Prototype Relationship

Cell Magnetization

Total spin moment69.759 μB cell−1
Moment per atom1.292 μB atom−1
Magnetization density0.091 μB Å−3
μ0M1.066 T
PAW-sphere total71.721 μB cell−1
Interstitial remainder-1.962 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-2.175 μB
Transition-metal sublattice73.896 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm9-2.175-0.242-0.260 to -0.226
Mn311.0643.6883.688 to 3.688
Co4262.8321.4961.423 to 1.556

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sma-0.016-0.021-0.189-0.226
2Sma-0.023-0.023-0.214-0.260
3Sma-0.023-0.023-0.214-0.260
4Sma-0.016-0.021-0.189-0.226
5Sma-0.016-0.021-0.189-0.226
6Sma-0.009-0.023-0.207-0.239
7Sma-0.009-0.023-0.207-0.239
8Sma-0.009-0.023-0.207-0.239
9Sma-0.023-0.023-0.214-0.260
10Mna0.036-0.0033.6553.688
11Mna0.036-0.0033.6553.688
12Mna0.036-0.0033.6553.688
13Cob-0.011-0.0411.5731.520
14Cob-0.011-0.0411.5731.520
15Cob-0.011-0.0411.5731.520
16Cob-0.011-0.0411.5731.520
17Cob-0.007-0.0391.5411.495
18Cob-0.007-0.0391.5411.495
19Cob-0.007-0.0391.5411.495
20Cob-0.007-0.0391.5411.495
21Cob-0.011-0.0411.5731.520
22Cob-0.011-0.0411.5731.520
23Cob-0.011-0.0411.5731.520
24Cob-0.011-0.0411.5731.520
25Cob-0.011-0.0411.5731.520
26Cob-0.007-0.0391.5411.495
27Cob-0.007-0.0391.5411.495
28Cob-0.007-0.0391.5411.495
29Cob-0.007-0.0391.5411.495
30Coa-0.013-0.0511.6191.556
31Cob-0.007-0.0391.5411.495
32Coa-0.013-0.0511.6191.556
33Cob-0.008-0.0411.4721.423
34Cob-0.008-0.0411.4721.423
35Coa0.006-0.0511.5951.550
36Coa0.006-0.0511.5951.550
37Coa0.006-0.0511.5951.550
38Coa0.000-0.0381.5171.480
39Coa0.000-0.0381.5171.480
40Coa0.000-0.0381.5171.480
41Coa-0.013-0.0511.6191.556
42Coa0.004-0.0411.5701.534
43Coa0.004-0.0411.5701.534
44Coa0.004-0.0411.5701.534
45Coa0.003-0.0431.5511.510
46Coa0.003-0.0431.5511.510
47Coa0.003-0.0431.5511.510
48Cob-0.008-0.0411.4721.423
49Cob-0.008-0.0411.4721.423
50Cob-0.008-0.0411.4721.423
51Cob-0.008-0.0411.4721.423
52Cob-0.008-0.0411.4721.423
53Cob-0.008-0.0411.4721.423
54Cob-0.008-0.0411.4721.423

Convex Hull: Sm-Co-Mn

Energy above hull 0.032 eV/atom Reference set loading Candidates on this hull loading
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VASP Calculation

MethodCollinear spin-polarized DFT
Exchange-correlationPBE
Plane-wave cutoff520.0 eV
PrecisionNormal
Electronic convergence0.0001 eV
Ionic convergence-0.01 eV Å−1
Initial MAGMOM12*5.0 42*2.0
RelaxationIBRION 1, ISIF 3, NSW 100
View exact INCAR
ADDGRID = True
ALGO = Normal
EDIFF = 0.0001
EDIFFG = -0.01
ENCUT = 520.0
IBRION = 1
ISIF = 3
ISMEAR = 1
ISPIN = 2
LAECHG = False
LASPH = True
LCHARG = False
LMAXMIX = 6
LORBIT = 11
LREAL = Auto
LWAVE = False
MAGMOM = 12*5.0 42*2.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 1
Maximum reciprocal spacing0.29254 Å−1
View exact KPOINTS
pymatgen with grid density = 1126 / number of atoms
0
Gamma
5 5 1

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
MnPAW_PBE Mn_pv 07Sep200013.000269.865
CoPAW_PBE Co 06Sep20009.000267.969