Home / Magnets / SmFe15V (MAG-000240)

SmFe15V

Ternary

Crystal Structure

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Overview

Magnetic flux density1.516T
Magnetization density0.130μB Å−3
Total spin moment28.212μB cell−1
MP-reference hull distance0.036eV atom−1
Cell volume216.890Å3
Number of atoms17atoms
Chemical system Sm-Fe-V Calculation Converged

Final Relaxed Cell

Calculated-cell formulaFe15SmV
a, b, c4.028, 4.028, 13.365 Å
α, β, γ90.000, 90.000, 90.000°
Cell volume216.890 Å3
Volume per atom12.758 Å3 atom−1
Formula units, Z1

Final Symmetry

Space groupP4/mmm (No. 123)
Crystal systemTetragonal
Point group4/mmm
Hall symbol-P 4 2
Pearson symboltP17

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm1d14/mmm
V1V1c14/mmm
Fe1Fe2g24mm
Fe2Fe2g24mm
Fe3Fe4i42mm.
Fe4Fe4i42mm.
Fe5Fe2h24mm
Fe6Fe1a14/mmm

Prototype Relationship

Cell Magnetization

Total spin moment28.212 μB cell−1
Moment per atom1.660 μB atom−1
Magnetization density0.130 μB Å−3
μ0M1.516 T
PAW-sphere total28.726 μB cell−1
Interstitial remainder-0.514 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-0.122 μB
Transition-metal sublattice28.848 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm1-0.122-0.122-0.122 to -0.122
V1-1.285-1.285-1.285 to -1.285
Fe1530.1332.0090.354 to 2.464

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Smd-0.013-0.007-0.102-0.122
2Vc-0.032-0.065-1.188-1.285
3Feg-0.010-0.0340.4050.361
4Feg0.000-0.0352.3832.349
5Fei0.005-0.0212.3182.302
6Fei-0.001-0.0432.1492.105
7Fei0.005-0.0212.3182.302
8Fei-0.001-0.0432.1492.105
9Feg-0.010-0.0340.3980.354
10Fei-0.001-0.0432.1502.106
11Fei0.005-0.0212.3172.301
12Fei0.005-0.0212.3172.301
13Feh-0.004-0.0412.5092.464
14Feg0.000-0.0352.3892.354
15Fei-0.001-0.0432.1502.106
16Fea0.008-0.0322.1892.165
17Feh-0.004-0.0412.5032.458

Convex Hull: Sm-Fe-V

Energy above hull 0.036 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 MAGMOM17*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 = 17*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh6 × 6 × 1
Maximum reciprocal spacing0.47013 Å−1
View exact KPOINTS
pymatgen with grid density = 1258 / number of atoms
0
Gamma
6 6 1

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
VPAW_PBE V_pv 07Sep200011.000263.675
FePAW_PBE Fe_pv 06Sep200014.000293.238