Home / Magnets / YFe18Ti (MAG-000135)

YFe18Ti

Ternary Featured

Crystal Structure

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Overview

Magnetic flux density1.799T
Magnetization density0.154μB Å−3
Total spin moment118.095μB cell−1
MP-reference hull distance0.061eV atom−1
Cell volume764.950Å3
Number of atoms60atoms
Chemical system Y-Fe-Ti Calculation Converged

Final Relaxed Cell

Calculated-cell formulaFe54Ti3Y3
a, b, c8.234, 8.234, 13.028 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume764.950 Å3
Volume per atom12.749 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR20

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y3a33m
Ti1Ti3a33m
Fe1Fe9b9.m
Fe2Fe18c181
Fe3Fe3a33m
Fe4Fe9b9.m
Fe5Fe9b9.m
Fe6Fe3a33m
Fe7Fe3a33m

Prototype Relationship

Cell Magnetization

Total spin moment118.095 μB cell−1
Moment per atom1.968 μB atom−1
Magnetization density0.154 μB Å−3
μ0M1.799 T
PAW-sphere total120.516 μB cell−1
Interstitial remainder-2.421 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-0.924 μB
Transition-metal sublattice121.440 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y3-0.924-0.308-0.308 to -0.308
Ti3-2.289-0.763-0.763 to -0.763
Fe54123.7292.2911.995 to 2.562

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Ya-0.020-0.072-0.216-0.308
2Ya-0.020-0.072-0.216-0.308
3Ya-0.020-0.072-0.216-0.308
4Tia-0.039-0.059-0.665-0.763
5Tia-0.039-0.059-0.665-0.763
6Tia-0.039-0.059-0.665-0.763
7Feb-0.007-0.0432.1252.075
8Feb-0.007-0.0432.1252.075
9Feb-0.007-0.0432.1252.075
10Feb-0.007-0.0432.1252.075
11Feb-0.007-0.0432.1252.075
12Feb-0.007-0.0432.1252.075
13Feb-0.007-0.0432.1252.075
14Feb-0.007-0.0432.1252.075
15Feb-0.007-0.0432.1252.075
16Fec-0.002-0.0372.6012.562
17Fec-0.002-0.0372.6012.562
18Fec-0.002-0.0372.6012.562
19Fec-0.002-0.0372.6012.562
20Fec-0.002-0.0372.6012.562
21Fec-0.002-0.0372.6012.562
22Fec-0.002-0.0372.6012.562
23Fec-0.002-0.0372.6012.562
24Fec-0.002-0.0372.6012.562
25Fec-0.002-0.0372.6012.562
26Fec-0.002-0.0372.6012.562
27Fec-0.002-0.0372.6012.562
28Fec-0.002-0.0372.6012.562
29Fec-0.002-0.0372.6012.562
30Fec-0.002-0.0372.6012.562
31Fec-0.002-0.0372.6012.562
32Fec-0.002-0.0372.6012.562
33Fea-0.011-0.0482.0541.995
34Fea-0.011-0.0482.0541.995
35Fec-0.002-0.0372.6012.562
36Feb-0.008-0.0402.1502.102
37Feb-0.008-0.0402.1502.102
38Feb-0.008-0.0402.1502.102
39Fea-0.011-0.0482.0541.995
40Feb-0.005-0.0402.1842.139
41Feb-0.005-0.0402.1842.139
42Feb-0.005-0.0402.1842.139
43Feb-0.005-0.0402.1842.139
44Feb-0.005-0.0402.1842.139
45Feb-0.005-0.0402.1842.139
46Feb-0.005-0.0402.1842.139
47Feb-0.005-0.0402.1842.139
48Feb-0.005-0.0402.1842.139
49Feb-0.008-0.0402.1502.102
50Feb-0.008-0.0402.1502.102
51Feb-0.008-0.0402.1502.102
52Fea-0.008-0.0392.5102.463
53Fea-0.007-0.0442.5152.465
54Fea-0.007-0.0442.5152.465
55Feb-0.008-0.0402.1502.102
56Feb-0.008-0.0402.1502.102
57Feb-0.008-0.0402.1502.102
58Fea-0.008-0.0392.5102.463
59Fea-0.008-0.0392.5102.463
60Fea-0.007-0.0442.5152.465

Convex Hull: Y-Fe-Ti

Energy above hull 0.061 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
PrecisionAccurate
Electronic convergence1e-05 eV
Ionic convergence-0.01 eV Å−1
Initial MAGMOM6*0.6 54*5.0
RelaxationIBRION 1, ISIF 3, NSW 100
View exact INCAR
ADDGRID = True
ALGO = Normal
EDIFF = 1e-05
EDIFFG = -0.01
ENCUT = 520.0
IBRION = 1
ISIF = 3
ISMEAR = 1
ISPIN = 2
LAECHG = False
LASPH = True
LCHARG = False
LMAXMIX = 4
LORBIT = 11
LREAL = Auto
LWAVE = False
MAGMOM = 6*0.6 54*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Accurate
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeGamma
Mesh3 × 3 × 1
Maximum reciprocal spacing0.48229 Å−1
View exact KPOINTS
pymatgen with grid density = 1220 / number of atoms
0
Gamma
3 3 1

PAW Potentials

ElementVASP TITELZVALENMAXeV
YPAW_PBE Y_sv 06Sep200011.000211.641
TiPAW_PBE Ti_pv 07Sep200010.000222.338
FePAW_PBE Fe_pv 06Sep200014.000293.238