Home / Magnets / Sm3Ni12Mn (MAG-000321)

Sm3Ni12Mn

Ternary

Crystal Structure

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Overview

Magnetic flux density0.357T
Magnetization density0.031μB Å−3
Total spin moment6.979μB cell−1
MP-reference hull distance0.087eV atom−1
Cell volume228.440Å3
Number of atoms16atoms
Chemical system Sm-Ni-Mn Calculation Converged

Final Relaxed Cell

Calculated-cell formulaMnNi12Sm3
a, b, c4.982, 4.982, 10.626 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume228.440 Å3
Volume per atom14.277 Å3 atom−1
Formula units, Z1

Final Symmetry

Space groupP3m1 (No. 156)
Crystal systemTrigonal
Point group3m
Hall symbolP 3 -2"
Pearson symbolhP16

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm1a13m.
Sm2Sm1a13m.
Sm3Sm1a13m.
Mn1Mn1b13m.
Ni1Ni3d3.m.
Ni2Ni1c13m.
Ni3Ni3d3.m.
Ni4Ni1c13m.
Ni5Ni1b13m.
Ni6Ni3d3.m.

Prototype Relationship

Cell Magnetization

Total spin moment6.979 μB cell−1
Moment per atom0.436 μB atom−1
Magnetization density0.031 μB Å−3
μ0M0.357 T
PAW-sphere total7.252 μB cell−1
Interstitial remainder-0.273 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-0.172 μB
Transition-metal sublattice7.424 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm3-0.172-0.057-0.073 to -0.043
Mn13.2363.2363.236 to 3.236
Ni124.1880.3490.306 to 0.453

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sma-0.0040.002-0.041-0.043
2Sma-0.003-0.006-0.064-0.073
3Sma0.000-0.005-0.051-0.056
4Mnb0.0340.0273.1753.236
5Nid-0.001-0.0050.3120.306
6Nid-0.001-0.0050.3120.306
7Nic0.001-0.0030.3800.378
8Nid-0.001-0.0050.3120.306
9Nid-0.003-0.0100.3930.380
10Nid-0.003-0.0100.3930.380
11Nic-0.002-0.0190.4740.453
12Nib-0.001-0.0060.3430.336
13Nid-0.003-0.0080.3320.321
14Nid-0.003-0.0080.3320.321
15Nid-0.003-0.0100.3930.380
16Nid-0.003-0.0080.3320.321

Convex Hull: Sm-Ni-Mn

Energy above hull 0.087 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 MAGMOM16*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 = 16*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 2
Maximum reciprocal spacing0.29566 Å−1
View exact KPOINTS
pymatgen with grid density = 1103 / number of atoms
0
Gamma
5 5 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
MnPAW_PBE Mn_pv 07Sep200013.000269.865
NiPAW_PBE Ni_pv 06Sep200016.000367.945