Home / Magnets / Sm2Ni9V (MAG-000292)

Sm2Ni9V

Ternary

Crystal Structure

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Overview

Magnetic flux density0.063T
Magnetization density0.005μB Å−3
Total spin moment0.907μB cell−1
MP-reference hull distance0.088eV atom−1
Cell volume168.500Å3
Number of atoms12atoms
Chemical system Sm-Ni-V Calculation Converged

Final Relaxed Cell

Calculated-cell formulaNi9Sm2V
a, b, c4.967, 4.967, 7.887 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume168.500 Å3
Volume per atom14.042 Å3 atom−1
Formula units, Z1

Final Symmetry

Space groupP-6m2 (No. 187)
Crystal systemHexagonal
Point group-6m2
Hall symbolP -6 2
Pearson symbolhP12

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm1e1-6m2
Sm2Sm1f1-6m2
V1V1b1-6m2
Ni1Ni6n6.m.
Ni2Ni1d1-6m2
Ni3Ni1a1-6m2
Ni4Ni1c1-6m2

Prototype Relationship

Parent prototypeCaCu5-type (AB5)
Parent space groupP6/mmm (No. 191)
AFLOW ANRL labelAB5_hP6_191_a_cg-001

Cell Magnetization

Total spin moment0.907 μB cell−1
Moment per atom0.076 μB atom−1
Magnetization density0.005 μB Å−3
μ0M0.063 T
PAW-sphere total0.863 μB cell−1
Interstitial remainder0.044 μB cell−1

Sublattice Magnetization

Rare-earth sublattice0.024 μB
Transition-metal sublattice0.839 μB
RE–TM alignmentOne_sublattice_near_zero

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm20.0240.012-0.002 to 0.026
V10.4490.4490.449 to 0.449
Ni90.3900.0430.040 to 0.058

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sme-0.0010.001-0.003-0.002
2Smf0.0030.0020.0210.026
3Vb0.0070.0050.4370.449
4Nin-0.0000.0010.0400.040
5Nin-0.0000.0010.0400.040
6Nin-0.0000.0010.0400.040
7Nin-0.0000.0010.0400.040
8Nin-0.0000.0010.0400.040
9Nid-0.0030.0010.0480.046
10Nin-0.0000.0010.0400.040
11Nia0.0000.0020.0440.046
12Nic0.0030.0000.0550.058

Convex Hull: Sm-Ni-V

Energy above hull 0.088 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 MAGMOM12*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 = 12*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 3
Maximum reciprocal spacing0.29215 Å−1
View exact KPOINTS
pymatgen with grid density = 1120 / number of atoms
0
Gamma
5 5 3

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
VPAW_PBE V_pv 07Sep200011.000263.675
NiPAW_PBE Ni_pv 06Sep200016.000367.945