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Sm3Co14Cu
Ternary
Overview
Magnetic flux density0.893T
Magnetization density0.077μB Å−3
Total spin moment58.486μB cell−1
MP-reference hull distance0.067eV atom−1
Cell volume763.500Å3
Number of atoms54atoms
Chemical system Sm-Co-Cu
Calculation Converged
Final Relaxed Cell
Calculated-cell formulaCo42Cu3Sm9
a, b, c4.905, 4.905, 36.650 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume763.500 Å3
Volume per atom14.139 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
| Site | Element | Wyckoff position | Multiplicity | Site symmetry |
|---|---|---|---|---|
| Sm1 | Sm | 3a | 3 | 3m |
| Sm2 | Sm | 3a | 3 | 3m |
| Sm3 | Sm | 3a | 3 | 3m |
| Co1 | Co | 9b | 9 | .m |
| Co2 | Co | 3a | 3 | 3m |
| Co3 | Co | 9b | 9 | .m |
| Co4 | Co | 3a | 3 | 3m |
| Co5 | Co | 9b | 9 | .m |
| Co6 | Co | 3a | 3 | 3m |
| Co7 | Co | 3a | 3 | 3m |
| Co8 | Co | 3a | 3 | 3m |
| Cu1 | Cu | 3a | 3 | 3m |
Prototype Relationship
Cell Magnetization
Total spin moment58.486 μB cell−1
Moment per atom1.083 μB atom−1
Magnetization density0.077 μB Å−3
μ0M0.893 T
PAW-sphere total61.104 μB cell−1
Interstitial remainder-2.618 μB cell−1
Sublattice Magnetization
Rare-earth sublattice-2.043 μB
Transition-metal sublattice63.147 μB
RE–TM alignmentAntiparallel
Element-Resolved Moments
| Element | Atoms | PAW-sphere totalμB | Mean per atomμB atom−1 | RangeμB |
|---|---|---|---|---|
| Sm | 9 | -2.043 | -0.227 | -0.234 to -0.222 |
| Co | 42 | 63.057 | 1.501 | 1.399 to 1.826 |
| Cu | 3 | 0.090 | 0.030 | 0.030 to 0.030 |
Site-Resolved PAW-Sphere Moments
| Site | Element | Wyckoff | sμB | pμB | dμB | TotalμB |
|---|---|---|---|---|---|---|
| 1 | Sm | a | -0.017 | -0.021 | -0.184 | -0.222 |
| 2 | Sm | a | -0.016 | -0.021 | -0.197 | -0.234 |
| 3 | Sm | a | -0.016 | -0.021 | -0.197 | -0.234 |
| 4 | Sm | a | -0.017 | -0.021 | -0.184 | -0.222 |
| 5 | Sm | a | -0.017 | -0.021 | -0.184 | -0.222 |
| 6 | Sm | a | -0.011 | -0.021 | -0.193 | -0.225 |
| 7 | Sm | a | -0.011 | -0.021 | -0.193 | -0.225 |
| 8 | Sm | a | -0.011 | -0.021 | -0.193 | -0.225 |
| 9 | Sm | a | -0.016 | -0.021 | -0.197 | -0.234 |
| 10 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 11 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 12 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 13 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 14 | Co | a | 0.001 | -0.039 | 1.474 | 1.435 |
| 15 | Co | a | 0.001 | -0.039 | 1.474 | 1.435 |
| 16 | Co | a | 0.001 | -0.039 | 1.474 | 1.435 |
| 17 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 18 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 19 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 20 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 21 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 22 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 23 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 24 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 25 | Co | b | -0.004 | -0.036 | 1.592 | 1.553 |
| 26 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 27 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 28 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 29 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 30 | Co | a | 0.009 | -0.033 | 1.850 | 1.826 |
| 31 | Co | b | -0.003 | -0.032 | 1.435 | 1.399 |
| 32 | Co | a | 0.009 | -0.033 | 1.850 | 1.826 |
| 33 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 34 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 35 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 36 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 37 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 38 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 39 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 40 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 41 | Co | a | 0.009 | -0.033 | 1.850 | 1.826 |
| 42 | Co | a | 0.005 | -0.052 | 1.586 | 1.539 |
| 43 | Co | a | 0.005 | -0.052 | 1.586 | 1.539 |
| 44 | Co | a | 0.005 | -0.052 | 1.586 | 1.539 |
| 45 | Co | a | 0.004 | -0.039 | 1.481 | 1.446 |
| 46 | Co | a | 0.004 | -0.039 | 1.481 | 1.446 |
| 47 | Co | a | 0.004 | -0.046 | 1.495 | 1.453 |
| 48 | Co | a | 0.004 | -0.046 | 1.495 | 1.453 |
| 49 | Co | a | 0.004 | -0.046 | 1.495 | 1.453 |
| 50 | Co | a | 0.004 | -0.039 | 1.481 | 1.446 |
| 51 | Co | b | -0.007 | -0.039 | 1.533 | 1.488 |
| 52 | Cu | a | -0.007 | -0.027 | 0.064 | 0.030 |
| 53 | Cu | a | -0.007 | -0.027 | 0.064 | 0.030 |
| 54 | Cu | a | -0.007 | -0.027 | 0.064 | 0.030 |
Convex Hull: Sm-Co-Cu
Energy above hull 0.067 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
Mesh5 × 5 × 1
Maximum reciprocal spacing0.29585 Å−1
View exact KPOINTS
pymatgen with grid density = 1111 / number of atoms 0 Gamma 5 5 1
PAW Potentials
| Element | VASP TITEL | ZVAL | ENMAXeV |
|---|---|---|---|
| Sm | PAW_PBE Sm_3 07Sep2000 | 11.000 | 177.087 |
| Co | PAW_PBE Co 06Sep2000 | 9.000 | 267.969 |
| Cu | PAW_PBE Cu_pv 06Sep2000 | 17.000 | 368.605 |