Home / Magnets / Sm3Co14Cu (MAG-000302)

Sm3Co14Cu

Ternary

Crystal Structure

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Overview

Magnetic flux density0.886T
Magnetization density0.076μB Å−3
Total spin moment58.297μB cell−1
MP-reference hull distance0.030eV atom−1
Cell volume766.860Å3
Number of atoms54atoms
Chemical system Sm-Co-Cu Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo42Cu3Sm9
a, b, c8.635, 8.635, 11.876 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume766.860 Å3
Volume per atom14.201 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR32 (No. 155)
Crystal systemTrigonal
Point group32
Hall symbolR 3 2"
Pearson symbolhR18

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm9d9.2
Co1Co9e9.2
Co2Co18f181
Co3Co9d9.2
Co4Co6c63.
Cu1Cu3a332

Prototype Relationship

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

Cell Magnetization

Total spin moment58.297 μB cell−1
Moment per atom1.080 μB atom−1
Magnetization density0.076 μB Å−3
μ0M0.886 T
PAW-sphere total61.236 μB cell−1
Interstitial remainder-2.939 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-2.205 μB
Transition-metal sublattice63.441 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm9-2.205-0.245-0.245 to -0.245
Co4263.3931.5091.480 to 1.551
Cu30.0480.0160.016 to 0.016

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Smd-0.012-0.025-0.208-0.245
2Smd-0.012-0.025-0.208-0.245
3Smd-0.012-0.025-0.208-0.245
4Smd-0.012-0.025-0.208-0.245
5Smd-0.012-0.025-0.208-0.245
6Smd-0.012-0.025-0.208-0.245
7Smd-0.012-0.025-0.208-0.245
8Smd-0.012-0.025-0.208-0.245
9Smd-0.012-0.025-0.208-0.245
10Coe-0.005-0.0401.5961.551
11Coe-0.005-0.0401.5961.551
12Coe-0.005-0.0401.5961.551
13Coe-0.005-0.0401.5961.551
14Coe-0.005-0.0401.5961.551
15Coe-0.005-0.0401.5961.551
16Coe-0.005-0.0401.5961.551
17Cof-0.004-0.0371.5381.497
18Cof-0.004-0.0371.5381.497
19Cof-0.004-0.0371.5381.497
20Cof-0.004-0.0371.5381.497
21Cof-0.004-0.0371.5381.497
22Cof-0.004-0.0371.5381.497
23Cof-0.004-0.0371.5381.497
24Coe-0.005-0.0401.5961.551
25Coe-0.005-0.0401.5961.551
26Cof-0.004-0.0371.5381.497
27Cof-0.004-0.0371.5381.497
28Cof-0.004-0.0371.5381.497
29Cof-0.004-0.0371.5381.497
30Cof-0.004-0.0371.5381.497
31Cof-0.004-0.0371.5381.497
32Cof-0.004-0.0371.5381.497
33Cod-0.000-0.0421.5221.480
34Cod-0.000-0.0421.5221.480
35Cod-0.000-0.0421.5221.480
36Cod-0.000-0.0421.5221.480
37Cod-0.000-0.0421.5221.480
38Cof-0.004-0.0371.5381.497
39Cof-0.004-0.0371.5381.497
40Cof-0.004-0.0371.5381.497
41Cof-0.004-0.0371.5381.497
42Coc0.003-0.0421.5681.528
43Coc0.003-0.0421.5681.528
44Coc0.003-0.0421.5681.528
45Cod-0.000-0.0421.5221.480
46Cod-0.000-0.0421.5221.480
47Coc0.003-0.0421.5681.528
48Coc0.003-0.0421.5681.528
49Coc0.003-0.0421.5681.528
50Cod-0.000-0.0421.5221.480
51Cod-0.000-0.0421.5221.480
52Cua-0.005-0.0270.0480.016
53Cua-0.005-0.0270.0480.016
54Cua-0.005-0.0270.0480.016

Convex Hull: Sm-Co-Cu

Energy above hull 0.030 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 42*2.0 3*0.6
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 42*2.0 3*0.6
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh3 × 3 × 2
Maximum reciprocal spacing0.28007 Å−1
View exact KPOINTS
pymatgen with grid density = 1136 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
CoPAW_PBE Co 06Sep20009.000267.969
CuPAW_PBE Cu_pv 06Sep200017.000368.605