Home / Magnets / Sm3Ni14Cu (MAG-000332)

Sm3Ni14Cu

Ternary

Crystal Structure

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Overview

Magnetic flux density0.163T
Magnetization density0.014μB Å−3
Total spin moment-10.453μB cell−1
MP-reference hull distance0.055eV atom−1
Cell volume746.980Å3
Number of atoms54atoms
Chemical system Sm-Ni-Cu Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCu3Ni42Sm9
a, b, c4.917, 4.917, 35.680 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume746.980 Å3
Volume per atom13.833 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR18

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm3a33m
Sm2Sm3a33m
Sm3Sm3a33m
Cu1Cu3a33m
Ni1Ni9b9.m
Ni2Ni3a33m
Ni3Ni3a33m
Ni4Ni3a33m
Ni5Ni9b9.m
Ni6Ni9b9.m
Ni7Ni3a33m
Ni8Ni3a33m

Prototype Relationship

Cell Magnetization

Total spin moment-10.453 μB cell−1
Moment per atom-0.194 μB atom−1
Magnetization density0.014 μB Å−3
μ0M0.163 T
PAW-sphere total-11.541 μB cell−1
Interstitial remainder1.088 μB cell−1

Sublattice Magnetization

Rare-earth sublattice0.441 μB
Transition-metal sublattice-11.982 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm90.4410.0490.044 to 0.055
Cu3-0.024-0.008-0.008 to -0.008
Ni42-11.958-0.285-0.401 to -0.127

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sma0.0040.0040.0400.048
2Sma0.0010.0040.0390.044
3Sma0.0010.0040.0390.044
4Sma0.0040.0040.0400.048
5Sma0.0040.0040.0400.048
6Sma0.0030.0060.0470.055
7Sma0.0030.0060.0470.055
8Sma0.0030.0060.0470.055
9Sma0.0010.0040.0390.044
10Cua0.0010.006-0.015-0.008
11Cua0.0010.006-0.015-0.008
12Cua0.0010.006-0.015-0.008
13Nib0.0010.004-0.131-0.127
14Nib0.0010.004-0.131-0.127
15Nib0.0010.004-0.131-0.127
16Nib0.0010.004-0.131-0.127
17Nia0.0020.005-0.149-0.143
18Nia-0.0010.008-0.355-0.348
19Nia-0.0010.008-0.355-0.348
20Nia-0.0010.008-0.355-0.348
21Nia-0.0010.006-0.318-0.313
22Nia-0.0010.006-0.318-0.313
23Nia-0.0010.006-0.318-0.313
24Nib0.0010.004-0.131-0.127
25Nib0.0010.004-0.131-0.127
26Nib0.0010.004-0.131-0.127
27Nib0.0010.004-0.131-0.127
28Nib0.0010.004-0.131-0.127
29Nia0.0020.005-0.149-0.143
30Nia0.0020.005-0.149-0.143
31Nib0.0010.007-0.320-0.313
32Nib0.0010.007-0.320-0.313
33Nib-0.0010.006-0.406-0.401
34Nib-0.0010.006-0.406-0.401
35Nib-0.0010.006-0.406-0.401
36Nib-0.0010.006-0.406-0.401
37Nib-0.0010.006-0.406-0.401
38Nib0.0010.007-0.320-0.313
39Nib0.0010.007-0.320-0.313
40Nib0.0010.007-0.320-0.313
41Nib0.0010.007-0.320-0.313
42Nib0.0010.007-0.320-0.313
43Nib0.0010.007-0.320-0.313
44Nib0.0010.007-0.320-0.313
45Nia-0.0050.005-0.381-0.381
46Nia-0.0050.005-0.381-0.381
47Nia-0.0050.005-0.381-0.381
48Nia-0.0000.007-0.285-0.278
49Nia-0.0000.007-0.285-0.278
50Nia-0.0000.007-0.285-0.278
51Nib-0.0010.006-0.406-0.401
52Nib-0.0010.006-0.406-0.401
53Nib-0.0010.006-0.406-0.401
54Nib-0.0010.006-0.406-0.401

Convex Hull: Sm-Ni-Cu

Energy above hull 0.055 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 MAGMOM9*5.0 3*0.6 42*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 = 9*5.0 3*0.6 42*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 1
Maximum reciprocal spacing0.29512 Å−1
View exact KPOINTS
pymatgen with grid density = 1128 / number of atoms
0
Gamma
5 5 1

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
CuPAW_PBE Cu_pv 06Sep200017.000368.605
NiPAW_PBE Ni_pv 06Sep200016.000367.945