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Sm3Co14Zn
Ternary
Overview
Magnetic flux density0.865T
Magnetization density0.074μB Å−3
Total spin moment19.091μB cell−1
MP-reference hull distance0.029eV atom−1
Cell volume257.190Å3
Number of atoms18atoms
Chemical system Sm-Co-Zn
Calculation Converged
Final Relaxed Cell
Calculated-cell formulaCo14Sm3Zn
a, b, c4.999, 4.999, 11.885 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume257.190 Å3
Volume per atom14.288 Å3 atom−1
Formula units, Z1
Final Symmetry
Space groupP-6m2 (No. 187)
Crystal systemHexagonal
Point group-6m2
Hall symbolP -6 2
Pearson symbolhP18
Occupied Wyckoff Sites
| Site | Element | Wyckoff position | Multiplicity | Site symmetry |
|---|---|---|---|---|
| Sm1 | Sm | 2g | 2 | 3m. |
| Sm2 | Sm | 1a | 1 | -6m2 |
| Zn1 | Zn | 1e | 1 | -6m2 |
| Co1 | Co | 2i | 2 | 3m. |
| Co2 | Co | 2h | 2 | 3m. |
| Co3 | Co | 6n | 6 | .m. |
| Co4 | Co | 3k | 3 | mm2 |
| Co5 | Co | 1c | 1 | -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 moment19.091 μB cell−1
Moment per atom1.061 μB atom−1
Magnetization density0.074 μB Å−3
μ0M0.865 T
PAW-sphere total20.036 μB cell−1
Interstitial remainder-0.945 μB cell−1
Sublattice Magnetization
Rare-earth sublattice-0.736 μB
Transition-metal sublattice20.772 μB
RE–TM alignmentAntiparallel
Element-Resolved Moments
| Element | Atoms | PAW-sphere totalμB | Mean per atomμB atom−1 | RangeμB |
|---|---|---|---|---|
| Sm | 3 | -0.736 | -0.245 | -0.248 to -0.244 |
| Zn | 1 | -0.063 | -0.063 | -0.063 to -0.063 |
| Co | 14 | 20.835 | 1.488 | 1.351 to 1.556 |
Site-Resolved PAW-Sphere Moments
| Site | Element | Wyckoff | sμB | pμB | dμB | TotalμB |
|---|---|---|---|---|---|---|
| 1 | Sm | g | -0.012 | -0.023 | -0.209 | -0.244 |
| 2 | Sm | g | -0.012 | -0.023 | -0.209 | -0.244 |
| 3 | Sm | a | -0.010 | -0.024 | -0.214 | -0.248 |
| 4 | Zn | e | -0.003 | -0.056 | -0.003 | -0.063 |
| 5 | Co | i | 0.005 | -0.040 | 1.568 | 1.533 |
| 6 | Co | i | 0.005 | -0.040 | 1.568 | 1.533 |
| 7 | Co | h | 0.006 | -0.045 | 1.548 | 1.510 |
| 8 | Co | h | 0.006 | -0.045 | 1.548 | 1.510 |
| 9 | Co | n | -0.005 | -0.035 | 1.494 | 1.455 |
| 10 | Co | n | -0.005 | -0.035 | 1.494 | 1.455 |
| 11 | Co | n | -0.005 | -0.035 | 1.494 | 1.455 |
| 12 | Co | n | -0.005 | -0.035 | 1.494 | 1.455 |
| 13 | Co | n | -0.005 | -0.035 | 1.494 | 1.455 |
| 14 | Co | n | -0.005 | -0.035 | 1.494 | 1.455 |
| 15 | Co | k | -0.005 | -0.039 | 1.600 | 1.556 |
| 16 | Co | k | -0.005 | -0.039 | 1.600 | 1.556 |
| 17 | Co | c | -0.005 | -0.036 | 1.392 | 1.351 |
| 18 | Co | k | -0.005 | -0.039 | 1.600 | 1.556 |
Convex Hull: Sm-Co-Zn
Energy above hull 0.029 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 MAGMOM3*5.0 1*0.6 14*2.0
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 = 3*5.0 1*0.6 14*2.0 NCORE = 4 NELM = 120 NSW = 100 POTIM = 0.2 PREC = Normal SIGMA = 0.05
Brillouin-Zone Sampling
SchemeGamma
Mesh5 × 5 × 2
Maximum reciprocal spacing0.29028 Å−1
View exact KPOINTS
pymatgen with grid density = 1089 / number of atoms 0 Gamma 5 5 2
PAW Potentials
| Element | VASP TITEL | ZVAL | ENMAXeV |
|---|---|---|---|
| Sm | PAW_PBE Sm_3 07Sep2000 | 11.000 | 177.087 |
| Zn | PAW_PBE Zn 06Sep2000 | 12.000 | 276.727 |
| Co | PAW_PBE Co 06Sep2000 | 9.000 | 267.969 |