Home / Magnets / Sm2Fe16Mn (MAG-000275)

Sm2Fe16Mn

Ternary Featured

Crystal Structure

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Overview

Magnetic flux density1.733T
Magnetization density0.149μB Å−3
Total spin moment116.665μB cell−1
MP-reference hull distance0.045eV atom−1
Cell volume784.590Å3
Number of atoms57atoms
Chemical system Sm-Fe-Mn Calculation Converged

Final Relaxed Cell

Calculated-cell formulaFe48Mn3Sm6
a, b, c8.524, 8.524, 12.468 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume784.590 Å3
Volume per atom13.765 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR19

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm3a33m
Sm2Sm3a33m
Mn1Mn3a33m
Fe1Fe9b9.m
Fe2Fe9b9.m
Fe3Fe18c181
Fe4Fe9b9.m
Fe5Fe3a33m

Prototype Relationship

Parent prototypeTh2Zn17-type (A17B2)
Parent space groupR-3m (No. 166)
AFLOW ANRL labelA17B2_hR19_166_cegh_c-001

Cell Magnetization

Total spin moment116.665 μB cell−1
Moment per atom2.047 μB atom−1
Magnetization density0.149 μB Å−3
μ0M1.733 T
PAW-sphere total118.638 μB cell−1
Interstitial remainder-1.973 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.668 μB
Transition-metal sublattice120.306 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm6-1.668-0.278-0.278 to -0.278
Mn38.5982.8662.866 to 2.866
Fe48111.7082.3272.007 to 2.628

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sma-0.024-0.028-0.226-0.278
2Sma-0.024-0.028-0.226-0.278
3Sma-0.023-0.028-0.227-0.278
4Sma-0.023-0.028-0.227-0.278
5Sma-0.023-0.028-0.227-0.278
6Sma-0.024-0.028-0.226-0.278
7Mna-0.003-0.0272.8962.866
8Mna-0.003-0.0272.8962.866
9Mna-0.003-0.0272.8962.866
10Feb-0.011-0.0422.0602.007
11Feb-0.011-0.0422.0602.007
12Feb-0.011-0.0422.0602.007
13Feb-0.011-0.0422.0602.007
14Feb-0.011-0.0422.0602.007
15Feb-0.011-0.0422.0602.007
16Feb-0.011-0.0422.0602.007
17Feb-0.001-0.0292.3542.325
18Feb-0.001-0.0292.3542.325
19Feb-0.001-0.0292.3542.325
20Feb-0.001-0.0292.3542.325
21Feb-0.011-0.0422.0602.007
22Feb-0.011-0.0422.0602.007
23Feb-0.001-0.0292.3542.325
24Feb-0.001-0.0292.3542.325
25Feb-0.001-0.0292.3542.325
26Fec-0.004-0.0382.4902.448
27Fec-0.004-0.0382.4902.448
28Fec-0.004-0.0382.4902.448
29Feb-0.001-0.0292.3542.325
30Feb-0.001-0.0292.3542.325
31Fec-0.004-0.0382.4902.448
32Fec-0.004-0.0382.4902.448
33Fec-0.004-0.0382.4902.448
34Fec-0.004-0.0382.4902.448
35Fec-0.004-0.0382.4902.448
36Fec-0.004-0.0382.4902.448
37Fec-0.004-0.0382.4902.448
38Fec-0.004-0.0382.4902.448
39Feb-0.002-0.0292.3382.308
40Feb-0.002-0.0292.3382.308
41Feb-0.002-0.0292.3382.308
42Feb-0.002-0.0292.3382.308
43Feb-0.002-0.0292.3382.308
44Feb-0.002-0.0292.3382.308
45Fec-0.004-0.0382.4902.448
46Fec-0.004-0.0382.4902.448
47Fec-0.004-0.0382.4902.448
48Fec-0.004-0.0382.4902.448
49Fec-0.004-0.0382.4902.448
50Fec-0.004-0.0382.4902.448
51Fec-0.004-0.0382.4902.448
52Feb-0.002-0.0292.3382.308
53Feb-0.002-0.0292.3382.308
54Feb-0.002-0.0292.3382.308
55Fea-0.001-0.0382.6672.628
56Fea-0.001-0.0382.6672.628
57Fea-0.001-0.0382.6672.628

Convex Hull: Sm-Fe-Mn

Energy above hull 0.045 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 MAGMOM57*5.0
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 = 57*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh3 × 3 × 2
Maximum reciprocal spacing0.28370 Å−1
View exact KPOINTS
pymatgen with grid density = 1193 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
MnPAW_PBE Mn_pv 07Sep200013.000269.865
FePAW_PBE Fe_pv 06Sep200014.000293.238