Home / Magnets / Sm2Fe16Ti (MAG-000276)

Sm2Fe16Ti

Ternary

Crystal Structure

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Overview

Magnetic flux density1.510T
Magnetization density0.130μB Å−3
Total spin moment102.113μB cell−1
MP-reference hull distance0.019eV atom−1
Cell volume787.880Å3
Number of atoms57atoms
Chemical system Sm-Fe-Ti Calculation Converged

Final Relaxed Cell

Calculated-cell formulaFe48Sm6Ti3
a, b, c8.546, 8.546, 12.458 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume787.880 Å3
Volume per atom13.822 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
Ti1Ti3a33m
Fe1Fe9b9.m
Fe2Fe18c181
Fe3Fe9b9.m
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 moment102.113 μB cell−1
Moment per atom1.791 μB atom−1
Magnetization density0.130 μB Å−3
μ0M1.510 T
PAW-sphere total105.015 μB cell−1
Interstitial remainder-2.902 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.773 μB
Transition-metal sublattice106.788 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm6-1.773-0.295-0.297 to -0.294
Ti3-2.661-0.887-0.887 to -0.887
Fe48109.4492.2802.058 to 2.407

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sma-0.025-0.032-0.237-0.294
2Sma-0.025-0.032-0.237-0.294
3Sma-0.024-0.033-0.241-0.297
4Sma-0.024-0.033-0.241-0.297
5Sma-0.024-0.033-0.241-0.297
6Sma-0.025-0.032-0.237-0.294
7Tia-0.038-0.071-0.778-0.887
8Tia-0.038-0.071-0.778-0.887
9Tia-0.038-0.071-0.778-0.887
10Feb-0.005-0.0382.1002.058
11Feb-0.005-0.0382.1002.058
12Feb-0.005-0.0382.1002.058
13Feb-0.005-0.0382.1002.058
14Feb-0.005-0.0382.1002.058
15Feb-0.005-0.0382.1002.058
16Feb-0.005-0.0382.1002.058
17Fec0.000-0.0372.4442.407
18Fec0.000-0.0372.4442.407
19Fec0.000-0.0372.4442.407
20Fec0.000-0.0372.4442.407
21Feb-0.005-0.0382.1002.058
22Feb-0.005-0.0382.1002.058
23Fec0.000-0.0372.4442.407
24Fec0.000-0.0372.4442.407
25Fec0.000-0.0372.4442.407
26Fec0.000-0.0372.4442.407
27Fec0.000-0.0372.4442.407
28Fec0.000-0.0372.4442.407
29Fec0.000-0.0372.4442.407
30Fec0.000-0.0372.4442.407
31Fec0.000-0.0372.4442.407
32Fec0.000-0.0372.4442.407
33Feb0.003-0.0332.2772.247
34Feb0.003-0.0332.2772.247
35Fec0.000-0.0372.4442.407
36Fec0.000-0.0372.4442.407
37Fec0.000-0.0372.4442.407
38Fec0.000-0.0372.4442.407
39Feb-0.003-0.0302.2962.264
40Feb-0.003-0.0302.2962.264
41Feb-0.003-0.0302.2962.264
42Feb-0.003-0.0302.2962.264
43Feb-0.003-0.0302.2962.264
44Feb-0.003-0.0302.2962.264
45Feb0.003-0.0332.2772.247
46Feb0.003-0.0332.2772.247
47Feb0.003-0.0332.2772.247
48Feb0.003-0.0332.2772.247
49Feb0.003-0.0332.2772.247
50Feb0.003-0.0332.2772.247
51Feb0.003-0.0332.2772.247
52Feb-0.003-0.0302.2962.264
53Feb-0.003-0.0302.2962.264
54Feb-0.003-0.0302.2962.264
55Fea-0.001-0.0512.3872.334
56Fea-0.001-0.0512.3872.334
57Fea-0.001-0.0512.3872.334

Convex Hull: Sm-Fe-Ti

Energy above hull 0.019 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 MAGMOM6*5.0 3*0.6 48*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 = 6*5.0 3*0.6 48*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 spacing0.28300 Å−1
View exact KPOINTS
pymatgen with grid density = 1211 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
TiPAW_PBE Ti_pv 07Sep200010.000222.338
FePAW_PBE Fe_pv 06Sep200014.000293.238